ramnit | de5f9b20738114231dac80a55bc3e0f2f1e2e7d27a84cf98f171aff34de05838

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 19:39

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General

Target

1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
Size

95KB
MD5

1747bd6ec5a7f0885dd83f81bf5e217d
SHA1

561ffdedb67a0099b1cf234cf0eb8afaacf49a04
SHA256

de5f9b20738114231dac80a55bc3e0f2f1e2e7d27a84cf98f171aff34de05838
SHA512

461a20c9c23a54cbb22c65b975ca420aa0d2033d451ed494f6dc25e6969059ba9fda6523b4a78bff78bee137f27b3af84621d0f3b45c15f2033243dfea6368d4
SSDEEP

768:W06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:0R0vxn3Pc0LCH9MtbvabUDzJYWu3B

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Executes dropped EXE 1 IoCs

Processes:

WaterMark.exe

pid process

2672 WaterMark.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4504-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4504-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-36-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2672-35-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2672-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2672-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3479.tmp	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

220 2320 WerFault.exe svchost.exe

pid	pid_target	process	target process
220	2320	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115465"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1553B579-34BD-11EF-B9F7-CE945492B8DF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115465"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3932432483"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115465"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426282195"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3932432483"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3954463370"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe
2672	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 2672 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2380 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2380 iexplore.exe
2380 iexplore.exe
5076 IEXPLORE.EXE
5076 IEXPLORE.EXE
5076 IEXPLORE.EXE
5076 IEXPLORE.EXE
Suspicious use of UnmapMainImage 2 IoCs

Processes:

1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exeWaterMark.exe

pid process

4504 1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
2672 WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	2672	WaterMark.exe

pid	process
2380	iexplore.exe

pid	process
2380	iexplore.exe
2380	iexplore.exe
5076	IEXPLORE.EXE
5076	IEXPLORE.EXE
5076	IEXPLORE.EXE
5076	IEXPLORE.EXE

pid	process
4504	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
2672	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 4504 wrote to memory of 2672	4504	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe	WaterMark.exe
PID 4504 wrote to memory of 2672	4504	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe	WaterMark.exe
PID 4504 wrote to memory of 2672	4504	1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe	WaterMark.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 2320	2672	WaterMark.exe	svchost.exe
PID 2672 wrote to memory of 464	2672	WaterMark.exe	iexplore.exe
PID 2672 wrote to memory of 464	2672	WaterMark.exe	iexplore.exe
PID 2672 wrote to memory of 2380	2672	WaterMark.exe	iexplore.exe
PID 2672 wrote to memory of 2380	2672	WaterMark.exe	iexplore.exe
PID 2380 wrote to memory of 5076	2380	iexplore.exe	IEXPLORE.EXE
PID 2380 wrote to memory of 5076	2380	iexplore.exe	IEXPLORE.EXE
PID 2380 wrote to memory of 5076	2380	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1747bd6ec5a7f0885dd83f81bf5e217d_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4504

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2672

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
3⤵
PID:2320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 204
4⤵
- Program crash
PID:220

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
PID:464

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2380 CREDAT:17410 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2320 -ip 2320
1⤵
PID:1324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5240 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:1104

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe
Filesize
95KB

MD5
1747bd6ec5a7f0885dd83f81bf5e217d

SHA1
561ffdedb67a0099b1cf234cf0eb8afaacf49a04

SHA256
de5f9b20738114231dac80a55bc3e0f2f1e2e7d27a84cf98f171aff34de05838

SHA512
461a20c9c23a54cbb22c65b975ca420aa0d2033d451ed494f6dc25e6969059ba9fda6523b4a78bff78bee137f27b3af84621d0f3b45c15f2033243dfea6368d4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
fa34ecb8815a2d98849888cb1cdbf38b

SHA1
84fd0e04586009efb3683c98da8d9aa41487cd42

SHA256
5077a54924f80491a74ed78bbd73ff7bf85a27caddb80ceaa9ccb86f8b9a11be

SHA512
ccfdb76ccedd0076601e17272d346229e2b9c0dd884c09bb7701b32c5dc177da8a91bb539ce751297d8ea44716fc497e8a337a9499c93a474ba85915f28f1053

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
72bcd9a83e08339b6c3d8c8a81637767

SHA1
581424abf7b1ccdbd704a81a7acc728177547cf7

SHA256
9de12d17a6e10b82067e9c60a11a67f47f9cbf676559a8d42cab2488e3fc1552

SHA512
6f5004fddb9a77e0b63357cca15d9afb4a61b97ba7812b1a80cc980677bcf37682f0cda5d421003b2cd813adf3c8dcbd3554349221b3ed79e172e8f20c71cca5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2320-30-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/2320-31-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2672-33-0x00000000779F2000-0x00000000779F3000-memory.dmp

Filesize
4KB

Download
memory/2672-34-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2672-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-35-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2672-36-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2672-28-0x00000000779F2000-0x00000000779F3000-memory.dmp

Filesize
4KB

Download
memory/2672-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2672-22-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2672-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2672-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4504-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4504-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/4504-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4504-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4504-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download