ramnit | 2a4dac494587cb5071894f437473d74d57d7ba59c6cd461750d1f4f1cdcf057f

General

Target

JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe
Size

95KB
MD5

a268914ffb97e1d124762f9dccdcdaa9
SHA1

4a4a11cfae46b97748701bd7b4490942ea25588f
SHA256

2a4dac494587cb5071894f437473d74d57d7ba59c6cd461750d1f4f1cdcf057f
SHA512

44de7abad9a86b0d334d16526a1161e470d474bc975619ac97de06f32c35d8a90ee297c3817b38d8067652951aa757ff63912d5dda6655265c1860c9d7fff2bc
SSDEEP

768:f06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:FR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
2148	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1200-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1200-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2148-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2148-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2148-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2148-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2148-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxABC1.tmp	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	860	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_a268914ffb97e1d124762f9dccdcdaa9.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443948217"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{00529FE2-D569-11EF-91C3-CE95CE932DF6} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3568789296"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156597"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3570195238"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156597"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe
2148	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1992	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1992	iexplore.exe
1992	iexplore.exe
3044	IEXPLORE.EXE
3044	IEXPLORE.EXE
3044	IEXPLORE.EXE
3044	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1200	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe
2148	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 2148	1200	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe	83
PID 1200 wrote to memory of 2148	1200	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe	83
PID 1200 wrote to memory of 2148	1200	JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe	83
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 860	2148	WaterMark.exe	84
PID 2148 wrote to memory of 1992	2148	WaterMark.exe	88
PID 2148 wrote to memory of 1992	2148	WaterMark.exe	88
PID 2148 wrote to memory of 1252	2148	WaterMark.exe	89
PID 2148 wrote to memory of 1252	2148	WaterMark.exe	89
PID 1992 wrote to memory of 3044	1992	iexplore.exe	91
PID 1992 wrote to memory of 3044	1992	iexplore.exe	91
PID 1992 wrote to memory of 3044	1992	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a268914ffb97e1d124762f9dccdcdaa9.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1200
- 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:2148
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 204
      4⤵
      Program crash
      PID:3748
- - 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:1992
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1992 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3044
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 860 -ip 860
1⤵
PID:3176

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
a268914ffb97e1d124762f9dccdcdaa9

SHA1
4a4a11cfae46b97748701bd7b4490942ea25588f

SHA256
2a4dac494587cb5071894f437473d74d57d7ba59c6cd461750d1f4f1cdcf057f

SHA512
44de7abad9a86b0d334d16526a1161e470d474bc975619ac97de06f32c35d8a90ee297c3817b38d8067652951aa757ff63912d5dda6655265c1860c9d7fff2bc

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

Filesize
471B

MD5
37827a5b375c40c1d7c482099e06c5bb

SHA1
48a43de39625e410113ec4d2d3e355535c7163a9

SHA256
ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51

SHA512
e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e

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

Filesize
404B

MD5
d23db33ef76d0ecf404e535af24020cc

SHA1
9d5ee6bde86a390e9e274003dbd7fa7b3d510cf8

SHA256
3f0ad39e3610bbd8d1c62db821aa073c34bebe7035ec2bd9bcdcba0d4b2de81e

SHA512
7fabffa88fd0be1c50bc60409d5ce72f86ff217fd64741ad8a7351218093f977486cdc4d7c9cee8104b6f2ff0a70598e9e238ccb2e8d3b6c03ba2b8315dbe6d5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/860-31-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/860-30-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1200-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1200-8-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/1200-5-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1200-2-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1200-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2148-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2148-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2148-34-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/2148-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2148-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2148-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2148-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2148-26-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2148-28-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download

Analysis

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