ramnit | 18b54220728cb9146fa002a109aa5582d4fe86c7dbe056ed4a03910b5307283d

General

Target

JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe
Size

95KB
MD5

f2d3813496ab33dbae88feec6ff311b0
SHA1

2ba835f66c9f85a8e6771704bee3c46db741e30d
SHA256

18b54220728cb9146fa002a109aa5582d4fe86c7dbe056ed4a03910b5307283d
SHA512

fb940b4077bc5e8af82914581cfe31a01ab53b7c051a3bfbfb50b1ea8b5d211ff2efcb4382d497a79571224ee1caee6b2ff8137c80f551d2615e04a2b8131622
SSDEEP

768:h06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:HR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
3780	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3156-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3156-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3780-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3780-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3780-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3780-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3780-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB5C3.tmp	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3764	644	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_f2d3813496ab33dbae88feec6ff311b0.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
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
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157088"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{08C61307-D754-11EF-BDBF-FAA11E730504} = "0"	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\Recovery\AdminActive	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
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	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
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
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3712135611"	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 = "444159114"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157088"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	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\Recovery\PendingRecovery	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 = "3713229243"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe
3780	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
772	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
772	iexplore.exe
772	iexplore.exe
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE
2424	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3156	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe
3780	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe	83
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe	83
PID 3156 wrote to memory of 3780	3156	JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe	83
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 644	3780	WaterMark.exe	84
PID 3780 wrote to memory of 772	3780	WaterMark.exe	89
PID 3780 wrote to memory of 772	3780	WaterMark.exe	89
PID 3780 wrote to memory of 548	3780	WaterMark.exe	90
PID 3780 wrote to memory of 548	3780	WaterMark.exe	90
PID 772 wrote to memory of 2424	772	iexplore.exe	92
PID 772 wrote to memory of 2424	772	iexplore.exe	92
PID 772 wrote to memory of 2424	772	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f2d3813496ab33dbae88feec6ff311b0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3156
- 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:3780
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:644
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 204
      4⤵
      Program crash
      PID:3764
- - 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:772
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:772 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2424
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 644 -ip 644
1⤵
PID:2040

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
f2d3813496ab33dbae88feec6ff311b0

SHA1
2ba835f66c9f85a8e6771704bee3c46db741e30d

SHA256
18b54220728cb9146fa002a109aa5582d4fe86c7dbe056ed4a03910b5307283d

SHA512
fb940b4077bc5e8af82914581cfe31a01ab53b7c051a3bfbfb50b1ea8b5d211ff2efcb4382d497a79571224ee1caee6b2ff8137c80f551d2615e04a2b8131622

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
c4fc8df6cb1813c81350bee1034bd2a6

SHA1
26cdfd32445f7a7bd1041d9f2da57dca50102dcf

SHA256
d7963ae3c85978050f85b8d24b4aa617f9303fe737fdb14a8857715fbd957424

SHA512
b107db6ea6c419a88d3bde3226a1cdf1bfc0144d39f7ef1c5e1866111c77ba6bbf865a5d253ccb11d23faaebb27c0ab2c815bd9ee09e3cc9d194a2645f584503

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/644-31-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/644-32-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/3156-7-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/3156-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3156-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-18-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3156-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3156-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3156-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3780-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3780-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3780-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3780-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3780-34-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/3780-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3780-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3780-27-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3780-28-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/3780-23-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

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