ramnit | a5a95361759ad39e5a3081fa96b3a1935ff2a24403f2466f677dd6e0fcc0629e

Analysis

max time kernel
133s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 06:39

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General

Target

1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe
Size

166KB
MD5

1e55ef17eb41550c40642c93cdec852e
SHA1

7dcb56049b5f873d8050f592f819873bae429596
SHA256

a5a95361759ad39e5a3081fa96b3a1935ff2a24403f2466f677dd6e0fcc0629e
SHA512

8ed322f26fbf7d4192fd1c98a756a7eda7a5015825448f20764f5e4913bd793c64b8b654c7650877a1acb090d8c4f445f20b58e16467caad72e180e6bbe4f13d
SSDEEP

3072:EdKFOoL16A6L99ZgyXf9MWebpjMGlDCdra:QKF/LA37vBsGda

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 2 IoCs

Processes:

1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exeWaterMark.exe

pid process

3576 1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
4728 WaterMark.exe

pid	process
3576	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
4728	WaterMark.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3576-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3576-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4728-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4728-30-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/3576-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3576-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3576-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3576-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3576-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4728-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px3817.tmp	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4656 4812 WerFault.exe svchost.exe

pid	pid_target	process	target process
4656	4812	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\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 (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31116362"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2659987065"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2657174235"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31116362"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CA014166-383D-11EF-86EC-663BBECB1CCD} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31116362"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2657174235"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426667325"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe
4728	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 4728 WaterMark.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

5072 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

5072 iexplore.exe
5072 iexplore.exe
956 IEXPLORE.EXE
956 IEXPLORE.EXE
956 IEXPLORE.EXE
956 IEXPLORE.EXE
Suspicious use of UnmapMainImage 2 IoCs

Processes:

1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exeWaterMark.exe

pid process

3576 1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
4728 WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	4728	WaterMark.exe

pid	process
5072	iexplore.exe

pid	process
5072	iexplore.exe
5072	iexplore.exe
956	IEXPLORE.EXE
956	IEXPLORE.EXE
956	IEXPLORE.EXE
956	IEXPLORE.EXE

pid	process
3576	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
4728	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exeWaterMark.exeiexplore.exe

description	pid	process	target process
PID 932 wrote to memory of 3576	932	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
PID 932 wrote to memory of 3576	932	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
PID 932 wrote to memory of 3576	932	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
PID 3576 wrote to memory of 4728	3576	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe	WaterMark.exe
PID 3576 wrote to memory of 4728	3576	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe	WaterMark.exe
PID 3576 wrote to memory of 4728	3576	1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe	WaterMark.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 4812	4728	WaterMark.exe	svchost.exe
PID 4728 wrote to memory of 5072	4728	WaterMark.exe	iexplore.exe
PID 4728 wrote to memory of 5072	4728	WaterMark.exe	iexplore.exe
PID 4728 wrote to memory of 4004	4728	WaterMark.exe	iexplore.exe
PID 4728 wrote to memory of 4004	4728	WaterMark.exe	iexplore.exe
PID 5072 wrote to memory of 956	5072	iexplore.exe	IEXPLORE.EXE
PID 5072 wrote to memory of 956	5072	iexplore.exe	IEXPLORE.EXE
PID 5072 wrote to memory of 956	5072	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1e55ef17eb41550c40642c93cdec852e_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:932

C:\Users\Admin\AppData\Local\Temp\1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
C:\Users\Admin\AppData\Local\Temp\1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3576

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4728

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
4⤵
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 204
5⤵
- Program crash
PID:4656

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5072 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:956

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4812 -ip 4812
1⤵
PID:2224

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GU2A83AM\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\1e55ef17eb41550c40642c93cdec852e_JaffaCakes118mgr.exe
Filesize
96KB

MD5
8c51fd9d6daa7b6137634de19a49452c

SHA1
db2a11cca434bacad2bf42adeecae38e99cf64f8

SHA256
528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

SHA512
b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

Download Submit
memory/932-0-0x0000000000210000-0x000000000023C000-memory.dmp

Filesize
176KB

Download
memory/932-6-0x0000000000210000-0x000000000023C000-memory.dmp

Filesize
176KB

Download
memory/3576-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-4-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3576-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-29-0x0000000000401000-0x0000000000416000-memory.dmp

Filesize
84KB

Download
memory/3576-7-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3576-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3576-28-0x0000000000416000-0x0000000000420000-memory.dmp

Filesize
40KB

Download
memory/3576-27-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4728-26-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/4728-30-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4728-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4728-33-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/4728-38-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/4728-39-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4728-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4728-34-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/4812-35-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/4812-36-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download