ramnit | 109fabe93dcb47640922b8175c71028b61f661909d994aeac17a15ffb1d52825

General

Target

JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe
Size

92KB
MD5

6b94d214b96a1735dcbd99e473dc1b65
SHA1

93ed361f2bd32351bd264da5a1ad30ddc9cd5e82
SHA256

109fabe93dcb47640922b8175c71028b61f661909d994aeac17a15ffb1d52825
SHA512

4f62a92475b085a3748a98647abd279ba77959e7bd627e9e619e16cffd676600f6e403cc77fbde6ec0c70303d6ad34ddb5b66f0beb64171b2ddae653d710741f
SSDEEP

1536:mVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:WnxwgxgfR/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
4652	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4824-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4824-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4652-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4652-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4652-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4652-33-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/4652-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4652-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC033.tmp	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4348	3556	WerFault.exe	88

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_6b94d214b96a1735dcbd99e473dc1b65.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2922008425"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2923882659"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156178"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156178"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D9AB4D17-D3C5-11EF-BDBF-E24E87F0D14E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443768193"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe
4652	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4652	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3516	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3516	iexplore.exe
3516	iexplore.exe
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE
1152	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4824	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe
4652	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 4652	4824	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe	87
PID 4824 wrote to memory of 4652	4824	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe	87
PID 4824 wrote to memory of 4652	4824	JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe	87
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3556	4652	WaterMark.exe	88
PID 4652 wrote to memory of 3516	4652	WaterMark.exe	93
PID 4652 wrote to memory of 3516	4652	WaterMark.exe	93
PID 4652 wrote to memory of 2224	4652	WaterMark.exe	94
PID 4652 wrote to memory of 2224	4652	WaterMark.exe	94
PID 3516 wrote to memory of 1152	3516	iexplore.exe	96
PID 3516 wrote to memory of 1152	3516	iexplore.exe	96
PID 3516 wrote to memory of 1152	3516	iexplore.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b94d214b96a1735dcbd99e473dc1b65.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4824
- 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:4652
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 204
      4⤵
      Program crash
      PID:4348
- - 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:3516
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3516 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1152
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3556 -ip 3556
1⤵
PID:2196

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
92KB

MD5
6b94d214b96a1735dcbd99e473dc1b65

SHA1
93ed361f2bd32351bd264da5a1ad30ddc9cd5e82

SHA256
109fabe93dcb47640922b8175c71028b61f661909d994aeac17a15ffb1d52825

SHA512
4f62a92475b085a3748a98647abd279ba77959e7bd627e9e619e16cffd676600f6e403cc77fbde6ec0c70303d6ad34ddb5b66f0beb64171b2ddae653d710741f

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

Filesize
471B

MD5
9e22a9c34466faf7bc9cf642444b3f30

SHA1
0ac45262532cce40083cc9049fb12d4efb06c01f

SHA256
57569469879a3144b391cf9def258ad9ef29d7fd1d3d70a28cfb506443d7a119

SHA512
c60649fb0ecdd14c9a6d8f9ea7ac4356b24a5e1a238705bbc8294b72ea2fda21965af200746ae20dd5f45e386fc30e2189de6007e08ff3d7ec72b8dfc39435fe

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

Filesize
404B

MD5
85afc8237e028befbf711f08d57d1a1d

SHA1
b49dd5454ac1e4515ec48d6d8abfdd837c3ed821

SHA256
6c7cd38bddaf03dfeaebad731d7d1a20cd98a4851f4165d3470f324fefc9574c

SHA512
312f7e92737e8d8a284ba27dff01f933022148873c4b26a0ef92c257e0efac6ee2aa7ea326ff7bf991a6169bcc53fc2743fe3a805d48285942d132d35b967e83

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/3556-30-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/3556-31-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/4652-33-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4652-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4652-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4652-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4652-35-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/4652-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4652-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4652-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4652-27-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/4652-28-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/4824-18-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4824-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4824-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-7-0x00000000030B0000-0x00000000030B1000-memory.dmp

Filesize
4KB

Download
memory/4824-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4824-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download

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