ramnit | ed0357cc0d3ae4d3cbb076c26571f3724c79733ec087b738f77533b0ce576c02

General

Target

JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe
Size

124KB
MD5

13bd8a8b1b18f30db626930d07a7da24
SHA1

14162777f0b7f30b0f7f336b56aa14e351bc80c6
SHA256

ed0357cc0d3ae4d3cbb076c26571f3724c79733ec087b738f77533b0ce576c02
SHA512

2025f62456de2e6a494043ccdeabeb565d4a21486a163d2b80e1302a240829c7a7e37b199be28c1a60e7e403b362084043520896666d7bd1caf3904a534da990
SSDEEP

1536:AR0vxn3Pc0LCH9MtbvabUDzJYWu3BmiIuw22Jn1fbO4Vl:AR2xn3k0CdM1vabyzJYWqQa2D

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
860	WaterMark.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3728-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/860-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/860-32-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/860-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3728-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/860-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/860-37-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/860-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxF6C4.tmp	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	4864	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_13bd8a8b1b18f30db626930d07a7da24.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\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 = "3694428672"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157583"	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\DomainSuggestion	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\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	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\VersionManager\LastCheckForUpdateLowDateTime = "3692865689"	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\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\VersionManager	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\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{079B45C0-D943-11EF-BDBF-4E8E92B54298} = "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\Main\CompatibilityFlags = "0"	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\DomainSuggestion\FileNames\en-US = "en-US.1"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157583"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444371713"	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\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe
860	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1736	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1736	iexplore.exe
1736	iexplore.exe
4892	IEXPLORE.EXE
4892	IEXPLORE.EXE
4892	IEXPLORE.EXE
4892	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3728	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe
860	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 860	3728	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe	83
PID 3728 wrote to memory of 860	3728	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe	83
PID 3728 wrote to memory of 860	3728	JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe	83
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 4864	860	WaterMark.exe	84
PID 860 wrote to memory of 1736	860	WaterMark.exe	89
PID 860 wrote to memory of 1736	860	WaterMark.exe	89
PID 860 wrote to memory of 3760	860	WaterMark.exe	90
PID 860 wrote to memory of 3760	860	WaterMark.exe	90
PID 1736 wrote to memory of 4892	1736	iexplore.exe	92
PID 1736 wrote to memory of 4892	1736	iexplore.exe	92
PID 1736 wrote to memory of 4892	1736	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13bd8a8b1b18f30db626930d07a7da24.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3728
- 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:860
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 204
      4⤵
      Program crash
      PID:2332
- - 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:1736
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1736 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:4892
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4864 -ip 4864
1⤵
PID:4684

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
124KB

MD5
13bd8a8b1b18f30db626930d07a7da24

SHA1
14162777f0b7f30b0f7f336b56aa14e351bc80c6

SHA256
ed0357cc0d3ae4d3cbb076c26571f3724c79733ec087b738f77533b0ce576c02

SHA512
2025f62456de2e6a494043ccdeabeb565d4a21486a163d2b80e1302a240829c7a7e37b199be28c1a60e7e403b362084043520896666d7bd1caf3904a534da990

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

Filesize
471B

MD5
2c48c73220d62a8faffe599e95896274

SHA1
452cd4222360fe7e881055d815ec65a2bbac564b

SHA256
35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

SHA512
6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

Filesize
404B

MD5
71c5dad0128aff7f8ee95da52d3d2e54

SHA1
7c23c61b26dd86475e9016981b3b744987637802

SHA256
0afedc03888686c4943b47c7124f55a013dfd15f2b5c20f7da3aebb4d7040e57

SHA512
08ddf2f5c1ca0366c0290fa96b9938e61210f6e3d80021cbd07cc6aed646dc81844055847211ac052ea874ca5c64b675e3decf8f1c4908f32964485ccd3731fb

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/860-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/860-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/860-24-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/860-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/860-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/860-37-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/860-32-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/860-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/860-34-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/860-29-0x0000000077172000-0x0000000077173000-memory.dmp

Filesize
4KB

Download
memory/3728-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3728-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-7-0x0000000000910000-0x0000000000911000-memory.dmp

Filesize
4KB

Download
memory/3728-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3728-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3728-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3728-23-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/3728-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4864-31-0x0000000001240000-0x0000000001241000-memory.dmp

Filesize
4KB

Download
memory/4864-30-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download

Analysis

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