ramnit | 1e494933f80c178d541d34a3ed5e0f7e7609c10791ce7fc2ab7bf67e82cf0177

General

Target

JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe
Size

95KB
MD5

efec90e3724debf96ced8582334ffc81
SHA1

e042d7f2b97c2cdafb9f6b67b7abe37b7a7ae79b
SHA256

1e494933f80c178d541d34a3ed5e0f7e7609c10791ce7fc2ab7bf67e82cf0177
SHA512

771aa7a93704348ac79455832bf3fdc1c53a2c6c8695062f79b7524b75493cb7a6352e71ae04c445ba1e51f52d8772b999ec66e84bf277a44c04ad34bb209f91
SSDEEP

768:Q06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:eR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
488	WaterMark.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2504-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2504-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/488-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/488-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/488-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px81E2.tmp	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1052	732	WerFault.exe	84

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_efec90e3724debf96ced8582334ffc81.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 (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157155"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444187592"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157155"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "729770305"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "731645341"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5702CA2C-D796-11EF-B319-CE95CE932DF6} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe
488	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2804	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2804	iexplore.exe
2804	iexplore.exe
672	IEXPLORE.EXE
672	IEXPLORE.EXE
672	IEXPLORE.EXE
672	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2504	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe
488	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 488	2504	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe	83
PID 2504 wrote to memory of 488	2504	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe	83
PID 2504 wrote to memory of 488	2504	JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe	83
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 732	488	WaterMark.exe	84
PID 488 wrote to memory of 2804	488	WaterMark.exe	89
PID 488 wrote to memory of 2804	488	WaterMark.exe	89
PID 488 wrote to memory of 1092	488	WaterMark.exe	90
PID 488 wrote to memory of 1092	488	WaterMark.exe	90
PID 2804 wrote to memory of 672	2804	iexplore.exe	92
PID 2804 wrote to memory of 672	2804	iexplore.exe	92
PID 2804 wrote to memory of 672	2804	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efec90e3724debf96ced8582334ffc81.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2504
- 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:488
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:732
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 204
      4⤵
      Program crash
      PID:1052
- - 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:2804
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2804 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:672
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 732 -ip 732
1⤵
PID:4608

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
95KB

MD5
efec90e3724debf96ced8582334ffc81

SHA1
e042d7f2b97c2cdafb9f6b67b7abe37b7a7ae79b

SHA256
1e494933f80c178d541d34a3ed5e0f7e7609c10791ce7fc2ab7bf67e82cf0177

SHA512
771aa7a93704348ac79455832bf3fdc1c53a2c6c8695062f79b7524b75493cb7a6352e71ae04c445ba1e51f52d8772b999ec66e84bf277a44c04ad34bb209f91

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
a7a6b9c177bc404725f75fa4e1df3dda

SHA1
db8cc49fff92a82a3d7d85639f6d8d3aef051c5e

SHA256
61ef95447921be00defc7b4d78e058f0545d0b34a4b5012ad39aa0d7ebf0d98c

SHA512
fe45573052650cd8a5fa20675cfb0d26b92876b4b08baa5973bd049e6045f4070d7965aeb59a4f0c2c16d38c57d68b5c653375d5053c4911e0428e86ec1ecd45

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/488-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/488-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/488-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/488-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/488-33-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/488-28-0x0000000077B32000-0x0000000077B33000-memory.dmp

Filesize
4KB

Download
memory/488-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/732-31-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/732-30-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2504-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2504-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2504-8-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/2504-2-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2504-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download

Analysis

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