ramnit | 12f45421117e4e9f6ddf5d7c202c9ba665c73644d05f6fa3ce8499b8e81fda80

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 04:48

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General

Target
0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe
Size 120KB
Sample240622-ffepvayepc
SHA256 12f45421117e4e9f6ddf5d7c202c9ba665c73644d05f6fa3ce8499b8e81fda80
MD5 0155f93afa48abbaa15b039430614e4b
SHA1 383c53efa131cb0591c1304811083590845dc75a
SHA512 07d39418fcded0f43e4b307f7d69cb92862da0a853581e92d64441be627ef387d352a48541d9378e4d56fbbd23b0ba5bfe71283f58b0a7bb8f0a5acb12a33d39
SSDEEP 768:8Qxkwi4BsIqHpcrkMEYEhA7P4RhAtmaZFb79U9MKAjBEig6/1k21m3uHRdMNDj2Y:88kwiCTEhU4HDa1KkjWXUa21mc/Mue9
MD5 SHA1 SHA512 SSDEEP

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

pid	Process
4424	WaterMark.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-1-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/5112-2-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/5112-7-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/4424-10-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/4424-12-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/4424-19-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral2/memory/4424-20-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px5573.tmp	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3212	4420	WerFault.exe	82

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B33D8849-3052-11EF-9519-DAA7D34B912A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B33FEB30-3052-11EF-9519-DAA7D34B912A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425193601"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe
4424	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
456	iexplore.exe
1100	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
456	iexplore.exe
456	iexplore.exe
1100	iexplore.exe
1100	iexplore.exe
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE
408	IEXPLORE.EXE
408	IEXPLORE.EXE
4516	IEXPLORE.EXE
4516	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4424	5112	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe	81
PID 5112 wrote to memory of 4424	5112	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe	81
PID 5112 wrote to memory of 4424	5112	0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe	81
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 4420	4424	WaterMark.exe	82
PID 4424 wrote to memory of 456	4424	WaterMark.exe	86
PID 4424 wrote to memory of 456	4424	WaterMark.exe	86
PID 4424 wrote to memory of 1100	4424	WaterMark.exe	87
PID 4424 wrote to memory of 1100	4424	WaterMark.exe	87
PID 1100 wrote to memory of 408	1100	iexplore.exe	89
PID 1100 wrote to memory of 408	1100	iexplore.exe	89
PID 1100 wrote to memory of 408	1100	iexplore.exe	89
PID 456 wrote to memory of 4516	456	iexplore.exe	88
PID 456 wrote to memory of 4516	456	iexplore.exe	88
PID 456 wrote to memory of 4516	456	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0155f93afa48abbaa15b039430614e4b_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5112
- 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 WriteProcessMemory
  PID:4424
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 204
      4⤵
      Program crash
      PID:3212
- - 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:456
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:456 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4516
- - 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:1100
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4420 -ip 4420
1⤵
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

WaterMark.exe

Path C:\Program Files (x86)\Microsoft\WaterMark.exe
Size 120KB
SHA256 12f45421117e4e9f6ddf5d7c202c9ba665c73644d05f6fa3ce8499b8e81fda80
MD5 0155f93afa48abbaa15b039430614e4b
SHA1 383c53efa131cb0591c1304811083590845dc75a
SHA512 07d39418fcded0f43e4b307f7d69cb92862da0a853581e92d64441be627ef387d352a48541d9378e4d56fbbd23b0ba5bfe71283f58b0a7bb8f0a5acb12a33d39
SSDEEP 768:8Qxkwi4BsIqHpcrkMEYEhA7P4RhAtmaZFb79U9MKAjBEig6/1k21m3uHRdMNDj2Y:88kwiCTEhU4HDa1KkjWXUa21mc/Mue9
MD5 SHA1 SHA512 SSDEEP

Submit Download

RecoveryStore.{B33D8849-3052-11EF-9519-DAA7D34B912A}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B33D8849-3052-11EF-9519-DAA7D34B912A}.dat
Size 5KB
SHA256 ad9ffb7d6e1c104e9b75a352c816dfa49e1b0867fe5f20ded29d74a3a75b6964
MD5 c45b43a679ab25849bf2a9113d7a6e28
SHA1 521b0352452ca7944db81d28ece3460f88c621dc
SHA512 834d8f3110c6abe62e78fefaf70f8afe22c815196041b3db1bc2860ce649215c4d21a4f2033d1984a424898c94090a712e3292089f14c78dc793e22cbd71e5fa
SSDEEP 24:r0Go/Q5yDGwGo/VyDGYyDG879lWSb/B9lWSb/:r0Go48DvGowDYD5CSYS
MD5 SHA1 SHA512 SSDEEP

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RecoveryStore.{B33FEB30-3052-11EF-9519-DAA7D34B912A}.dat

Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{B33FEB30-3052-11EF-9519-DAA7D34B912A}.dat
Size 3KB
SHA256 acf39c76442316a90b83253307349b300d56ede69c2b08b56565ef295b7b795c
MD5 6b73476c64349a3165b3ffbd5beeda24
SHA1 0c252f0828ccbce1615a63794ba8412431bc0e4e
SHA512 57b5cc32dc845d64cf73a80408779fb3bbe91b1ba7ce7ced3e5b6957b7b880e0412596d93c61ecc8ff7f79cb200889499f0f53b6854ea26daa8ff0b40f938d3a
MD5 SHA1 SHA512

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memory/4420-14-0x0000000000F70000-0x0000000000F71000-memory.dmp

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memory/4420-13-0x0000000000F90000-0x0000000000F91000-memory.dmp

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memory/4424-9-0x0000000000590000-0x0000000000591000-memory.dmp

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memory/4424-10-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4424-12-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4424-16-0x00000000776D2000-0x00000000776D3000-memory.dmp

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memory/4424-15-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/4424-19-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4424-20-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5112-7-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5112-0-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5112-2-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/5112-1-0x0000000000400000-0x0000000000426000-memory.dmp

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