ramnit | b77fdca9b9773d4ab265d86d7c0866ec701eb8057fc0c7c9d782ddfaafc78b55

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 13:51

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General

Target

ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
Size

160KB
MD5

ef13e22525f585a738f84e309b3aa180
SHA1

cf24509c855e6ca356e923a18c276de31232d26f
SHA256

b77fdca9b9773d4ab265d86d7c0866ec701eb8057fc0c7c9d782ddfaafc78b55
SHA512

a5cdd735d1b7999d7d18483dee627112e4d3fb669c4bedf59eba9dcbe0c449f59ab870e75888d4ea233c4a3f2ce789da196b4b3ec2c0a3c80059cdf8241ad1c8
SSDEEP

3072:CT2xNfzEmPUac0yCRS9EK0TLmtmaYNELh/:GkPpe0m1YN

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
2216	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/440-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-21-0x0000000000400000-0x0000000000459000-memory.dmp	upx
behavioral2/memory/440-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/440-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2216-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px7261.tmp	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	1848	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1393992293"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149615"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31149615"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7E86F246-BA22-11EF-A4B7-FE5A08828E79} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1391492607"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "440949253"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1391492607"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31149615"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe
2216	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1092	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1092	iexplore.exe
1092	iexplore.exe
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
440	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
2216	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 2216	440	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe	82
PID 440 wrote to memory of 2216	440	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe	82
PID 440 wrote to memory of 2216	440	ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe	82
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1848	2216	WaterMark.exe	83
PID 2216 wrote to memory of 1092	2216	WaterMark.exe	87
PID 2216 wrote to memory of 1092	2216	WaterMark.exe	87
PID 2216 wrote to memory of 1780	2216	WaterMark.exe	88
PID 2216 wrote to memory of 1780	2216	WaterMark.exe	88
PID 1092 wrote to memory of 1736	1092	iexplore.exe	89
PID 1092 wrote to memory of 1736	1092	iexplore.exe	89
PID 1092 wrote to memory of 1736	1092	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef13e22525f585a738f84e309b3aa180_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:440
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 204
      4⤵
      Program crash
      PID:1648
- - 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:1092
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1092 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1736
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1848 -ip 1848
1⤵
PID:376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
160KB

MD5
ef13e22525f585a738f84e309b3aa180

SHA1
cf24509c855e6ca356e923a18c276de31232d26f

SHA256
b77fdca9b9773d4ab265d86d7c0866ec701eb8057fc0c7c9d782ddfaafc78b55

SHA512
a5cdd735d1b7999d7d18483dee627112e4d3fb669c4bedf59eba9dcbe0c449f59ab870e75888d4ea233c4a3f2ce789da196b4b3ec2c0a3c80059cdf8241ad1c8

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

Filesize
471B

MD5
07e369ebdbb322a72367beb15fea66c2

SHA1
7772c54598e1862ebffe373b494651ec745f6c9f

SHA256
b50e533aec8439f67cd49f1119099293c18626136694d72fc4c5b00f950e8e0c

SHA512
65f401db96f0e2c1a1ae79528087ff3e2e24bb5353425ecf93c884519aaf950422a6599f2e3afe6839070071d033ea8d19c546d5493aa511beb97c6fea5ba0f5

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

Filesize
404B

MD5
83adc1576166a793ff6d5989e5c37a64

SHA1
20cffa806034bb8393fb32d8d7a76a649f63d287

SHA256
125bbe520418dc9bc5a7c8dded66a5c613bc763d39e8c052bfbd66cce0ebad96

SHA512
c8410359879d8a40a3eac18e8b54758e89c500402ce80620583aeddbf9b92e059b81620c01a82611aca1b085b4421fe4b3a7a2e6d5ef324368c9067c9b901b48

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/440-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/440-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/440-6-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/440-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/440-0-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/440-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1848-30-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download
memory/1848-31-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

Filesize
4KB

Download
memory/2216-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-32-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2216-35-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/2216-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2216-28-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/2216-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2216-21-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download