ramnit | 1b1170ebae856ce55a85d662784052ac1a5da69d91b8c77d2b827f9e205833a0

General

Target

JaffaCakes118_65d41302ee998236f25b90a327039c34.exe
Size

95KB
MD5

65d41302ee998236f25b90a327039c34
SHA1

dd91ac75bde922f3cb31b9e8c7ad023a7c07de83
SHA256

1b1170ebae856ce55a85d662784052ac1a5da69d91b8c77d2b827f9e205833a0
SHA512

cbc1f57022483ec61b67cf4678b3872965013fca60fd3454b972152d127fe2d634679533b54acdd38b25bf372974fe7d44dc39c7256fbbb7ebda1d5728fa453a
SSDEEP

768:106R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:jR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
3880	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4028-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3880-22-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3880-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3880-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4028-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3880-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3880-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3880-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC3BD.tmp	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
180	468	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_65d41302ee998236f25b90a327039c34.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1142704162"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1144267002"	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\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443752124"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	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\Recovery\PendingRecovery	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\Recovery\PendingRecovery\AdminActive = "0"	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\Main	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\Main\WindowsSearch	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\DomainSuggestion	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\Recovery\AdminActive\{6FB9E451-D3A0-11EF-91C3-FE5A08828E79} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156141"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156141"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	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
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\Recovery\AdminActive	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe
3880	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
868	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
868	iexplore.exe
868	iexplore.exe
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE
1400	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4028	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe
3880	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3880	4028	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe	83
PID 4028 wrote to memory of 3880	4028	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe	83
PID 4028 wrote to memory of 3880	4028	JaffaCakes118_65d41302ee998236f25b90a327039c34.exe	83
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 468	3880	WaterMark.exe	84
PID 3880 wrote to memory of 868	3880	WaterMark.exe	88
PID 3880 wrote to memory of 868	3880	WaterMark.exe	88
PID 3880 wrote to memory of 3452	3880	WaterMark.exe	89
PID 3880 wrote to memory of 3452	3880	WaterMark.exe	89
PID 868 wrote to memory of 1400	868	iexplore.exe	91
PID 868 wrote to memory of 1400	868	iexplore.exe	91
PID 868 wrote to memory of 1400	868	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65d41302ee998236f25b90a327039c34.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65d41302ee998236f25b90a327039c34.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4028
- 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:3880
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 204
      4⤵
      Program crash
      PID:180
- - 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:868
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1400
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 468 -ip 468
1⤵
PID:2268

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
65d41302ee998236f25b90a327039c34

SHA1
dd91ac75bde922f3cb31b9e8c7ad023a7c07de83

SHA256
1b1170ebae856ce55a85d662784052ac1a5da69d91b8c77d2b827f9e205833a0

SHA512
cbc1f57022483ec61b67cf4678b3872965013fca60fd3454b972152d127fe2d634679533b54acdd38b25bf372974fe7d44dc39c7256fbbb7ebda1d5728fa453a

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
7d76746dadf28561f430d25939a4c9d0

SHA1
7a639e7d0b50ca1b341aec38e6c34b90fe49e0b8

SHA256
934cd8972dce0fa98a1af2fdd2cc8be94bff1f8f13e699a45e871236a7bb1770

SHA512
a882f855e9baaf5f61e9ecba697640437b9a65cbb566f3af0dbdc6917dd7e66683c1ac1707d297d78dd3a21bd9b775a85fad7b97d8c1ef43a5e9ec85bb1875c7

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/468-30-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/468-29-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/3880-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3880-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3880-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3880-27-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/3880-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3880-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3880-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3880-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3880-22-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3880-32-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/4028-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4028-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-8-0x0000000002C90000-0x0000000002C91000-memory.dmp

Filesize
4KB

Download
memory/4028-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4028-7-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4028-2-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4028-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download

Analysis

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