ramnit | 144028aa29e08af492ee6f3fc2a9ae547080c7f80021ae341b08776ddd1b88a3

General

Target

JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
Size

93KB
MD5

e8c2d07000ad1239b2215311f5a4c226
SHA1

27eb7111d838ca2ccd896592674d9efc46007178
SHA256

144028aa29e08af492ee6f3fc2a9ae547080c7f80021ae341b08776ddd1b88a3
SHA512

50023fa3618395ec64f16da251d4dad48173b6d083a65090fd20202c8e0a425482422e08f95c2f7d155bd04ad24696e21e78bb6fddbd63afbd49accb1b64ec74
SSDEEP

1536:aVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:qnxwgxgfR/DVG7wBpE

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
3032	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4960-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3032-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3032-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3032-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3032-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3032-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxC738.tmp	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
112	4220	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	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157054"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{237BC5A5-D732-11EF-9361-C67090DD1599} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157054"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4158375942"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4160094776"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444144556"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe
3032	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
764	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
764	iexplore.exe
764	iexplore.exe
2600	IEXPLORE.EXE
2600	IEXPLORE.EXE
2600	IEXPLORE.EXE
2600	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4960	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
3032	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3032	4960	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe	82
PID 4960 wrote to memory of 3032	4960	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe	82
PID 4960 wrote to memory of 3032	4960	JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe	82
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 4220	3032	WaterMark.exe	83
PID 3032 wrote to memory of 764	3032	WaterMark.exe	87
PID 3032 wrote to memory of 764	3032	WaterMark.exe	87
PID 3032 wrote to memory of 2676	3032	WaterMark.exe	88
PID 3032 wrote to memory of 2676	3032	WaterMark.exe	88
PID 764 wrote to memory of 2600	764	iexplore.exe	89
PID 764 wrote to memory of 2600	764	iexplore.exe	89
PID 764 wrote to memory of 2600	764	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8c2d07000ad1239b2215311f5a4c226.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4960
- 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:3032
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 204
      4⤵
      Program crash
      PID:112
- - 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:764
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:764 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2600
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4220 -ip 4220
1⤵
PID:3552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
93KB

MD5
e8c2d07000ad1239b2215311f5a4c226

SHA1
27eb7111d838ca2ccd896592674d9efc46007178

SHA256
144028aa29e08af492ee6f3fc2a9ae547080c7f80021ae341b08776ddd1b88a3

SHA512
50023fa3618395ec64f16da251d4dad48173b6d083a65090fd20202c8e0a425482422e08f95c2f7d155bd04ad24696e21e78bb6fddbd63afbd49accb1b64ec74

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

Filesize
471B

MD5
0ada2095c461df5a751955aa41dd491e

SHA1
8366c54b31e1ddc8016aa22aab8c83f73c690810

SHA256
80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

SHA512
135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

Filesize
404B

MD5
9fdb9630d9f88a29a199974466b3ffbc

SHA1
151cf1c8fd13c2d29b4e795e4ac39b6e4025587c

SHA256
f9c49a798e968438b1d3a1081e654f46e8ca59212af27158f8391ba5f3eea80a

SHA512
35730ec3e6f4de447ff654607a2e918e0560b1b74868c083a62e3ab907b82626281d114ca640969c86ccb6a049ff5bdf412e42438e9bdc1bc610d9bed617c4a9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3032-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3032-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3032-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3032-32-0x0000000077592000-0x0000000077593000-memory.dmp

Filesize
4KB

Download
memory/3032-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3032-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3032-25-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3032-28-0x0000000077592000-0x0000000077593000-memory.dmp

Filesize
4KB

Download
memory/3032-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4220-31-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/4220-30-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/4960-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-6-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/4960-0-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/4960-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-8-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/4960-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4960-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download

Analysis

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