ramnit | e8be479ff81c41cb17c6208a6dc3f9c166dd6a3e02dcb57814ec832759a62044

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 22:58

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General

Target

1cd45314e39179888b35ce832c7d98e4_JaffaCakes118.dll
Size

132KB
MD5

1cd45314e39179888b35ce832c7d98e4
SHA1

a21d451a84324b59e31ca67f9649ecdc036ccde3
SHA256

e8be479ff81c41cb17c6208a6dc3f9c166dd6a3e02dcb57814ec832759a62044
SHA512

5e2d79bee3e5f05c48792bc4e27e8338666c2a9ee52acc79ae91a6232b641a347082d4e56de950c3bf798e19b4998039935b1831459049685d21f5aee17e80a8
SSDEEP

3072:Qo6nwLqrSa4I+VCpy330wN6qb3MAxwgKa:V6uj0wRb37x1

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:

regsvr32mgr.exeWaterMark.exe

pid process

1092 regsvr32mgr.exe
548 WaterMark.exe

pid	process
1092	regsvr32mgr.exe
548	WaterMark.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1092-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1092-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1092-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1092-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1092-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1092-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/548-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/548-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/548-25-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral2/memory/1092-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/548-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Drops file in Program Files directory 3 IoCs

Processes:

regsvr32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\px497C.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1516 4856 WerFault.exe svchost.exe

pid	pid_target	process	target process
1516	4856	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXEiexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426037916"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8D61EAED-3800-11EF-BCA5-F20C5DF75BB0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8D5F88EC-3800-11EF-BCA5-F20C5DF75BB0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426037916"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe
548	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 548 WaterMark.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exeiexplore.exe

pid process

5008 iexplore.exe
4400 iexplore.exe
Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

pid process

5008 iexplore.exe
5008 iexplore.exe
4400 iexplore.exe
4400 iexplore.exe
2072 IEXPLORE.EXE
2072 IEXPLORE.EXE
3248 IEXPLORE.EXE
3248 IEXPLORE.EXE
2072 IEXPLORE.EXE
2072 IEXPLORE.EXE
Suspicious use of UnmapMainImage 2 IoCs

Processes:

regsvr32mgr.exeWaterMark.exe

pid process

1092 regsvr32mgr.exe
548 WaterMark.exe

description	pid	process
Token: SeDebugPrivilege	548	WaterMark.exe

pid	process
5008	iexplore.exe
4400	iexplore.exe

pid	process
5008	iexplore.exe
5008	iexplore.exe
4400	iexplore.exe
4400	iexplore.exe
2072	IEXPLORE.EXE
2072	IEXPLORE.EXE
3248	IEXPLORE.EXE
3248	IEXPLORE.EXE
2072	IEXPLORE.EXE
2072	IEXPLORE.EXE

pid	process
1092	regsvr32mgr.exe
548	WaterMark.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

regsvr32.exeregsvr32.exeregsvr32mgr.exeWaterMark.exeiexplore.exeiexplore.exe

description	pid	process	target process
PID 1848 wrote to memory of 3692	1848	regsvr32.exe	regsvr32.exe
PID 1848 wrote to memory of 3692	1848	regsvr32.exe	regsvr32.exe
PID 1848 wrote to memory of 3692	1848	regsvr32.exe	regsvr32.exe
PID 3692 wrote to memory of 1092	3692	regsvr32.exe	regsvr32mgr.exe
PID 3692 wrote to memory of 1092	3692	regsvr32.exe	regsvr32mgr.exe
PID 3692 wrote to memory of 1092	3692	regsvr32.exe	regsvr32mgr.exe
PID 1092 wrote to memory of 548	1092	regsvr32mgr.exe	WaterMark.exe
PID 1092 wrote to memory of 548	1092	regsvr32mgr.exe	WaterMark.exe
PID 1092 wrote to memory of 548	1092	regsvr32mgr.exe	WaterMark.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4856	548	WaterMark.exe	svchost.exe
PID 548 wrote to memory of 4400	548	WaterMark.exe	iexplore.exe
PID 548 wrote to memory of 4400	548	WaterMark.exe	iexplore.exe
PID 548 wrote to memory of 5008	548	WaterMark.exe	iexplore.exe
PID 548 wrote to memory of 5008	548	WaterMark.exe	iexplore.exe
PID 5008 wrote to memory of 2072	5008	iexplore.exe	IEXPLORE.EXE
PID 5008 wrote to memory of 2072	5008	iexplore.exe	IEXPLORE.EXE
PID 5008 wrote to memory of 2072	5008	iexplore.exe	IEXPLORE.EXE
PID 4400 wrote to memory of 3248	4400	iexplore.exe	IEXPLORE.EXE
PID 4400 wrote to memory of 3248	4400	iexplore.exe	IEXPLORE.EXE
PID 4400 wrote to memory of 3248	4400	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1cd45314e39179888b35ce832c7d98e4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1cd45314e39179888b35ce832c7d98e4_JaffaCakes118.dll
2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3692

C:\Windows\SysWOW64\regsvr32mgr.exe
C:\Windows\SysWOW64\regsvr32mgr.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1092

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 204
6⤵
- Program crash
PID:1516

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4400

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4400 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3248

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5008

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5008 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4856 -ip 4856
1⤵
PID:1912

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\Internet Explorer\Recovery\High\Active\RecoveryStore.{8D5F88EC-3800-11EF-BCA5-F20C5DF75BB0}.dat
Filesize
5KB

MD5
aa2d0f1f20992b6eaaa0c2afe2f558ed

SHA1
14421576449d035b4bd6337469166bdc05e71bb7

SHA256
0a212cec429d165c58ce7a93f8872bb67359351b9deb2a0b638c332581378677

SHA512
fc0aa9d244c35e305be65ac382388395c39d372137b94f520e4e86c232369b61568cbf175a2dd7619326d6124fe58e808ca7cec789e0ffeda8ff483ba7b54631

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8D61EAED-3800-11EF-BCA5-F20C5DF75BB0}.dat
Filesize
4KB

MD5
3110ae4bae8841223c07f207b066cb12

SHA1
96fb8913a94a8c37f968fbd6ff314ecac11e2feb

SHA256
725b74b116df1ba45a7743af58068a4bcecc3a7fac10540507edd3e07878b6a5

SHA512
71b9200d38140c008d4e2754cda299184f5818ec21de75ecb51ff7f8b0172639e9f55a2986bc8a2e0ad2f6a041d42e44b4c722298a4d2728b98e29c8c3cc01a0

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe
Filesize
96KB

MD5
8c51fd9d6daa7b6137634de19a49452c

SHA1
db2a11cca434bacad2bf42adeecae38e99cf64f8

SHA256
528d190fc376cff62a83391a5ba10ae4ef0c02bedabd0360274ddc2784e11da3

SHA512
b93dd6c86d0618798a11dbaa2ded7dac659f6516ca4a87da7297601c27f340fffa4126a852c257654d562529273d8a3f639ec020ab54b879c68226deae549837

Download Submit
memory/548-31-0x0000000077462000-0x0000000077463000-memory.dmp

Filesize
4KB

Download
memory/548-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/548-36-0x0000000077462000-0x0000000077463000-memory.dmp

Filesize
4KB

Download
memory/548-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/548-25-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/548-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/548-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/548-29-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1092-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-12-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/1092-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1092-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3692-0-0x0000000000DE0000-0x0000000000E04000-memory.dmp

Filesize
144KB

Download
memory/3692-2-0x0000000000DE0000-0x0000000000E04000-memory.dmp

Filesize
144KB

Download
memory/4856-34-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/4856-33-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download