ramnit | 20f2c369b2ed1cf79f2473655561aebb94e0bb2738ff1b5e8f32cbfc9d4df28a

General

Target

JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
Size

95KB
MD5

61a8261c135520d227f7e8bb1f8f5ae5
SHA1

8debf844f0b28f0536f7172cbbb3b248ae3fc435
SHA256

20f2c369b2ed1cf79f2473655561aebb94e0bb2738ff1b5e8f32cbfc9d4df28a
SHA512

fcbd772d11754575d62b88f06285b2fbb5aaa012206ddcc9e9d5bd09bcd6698651b2e470ce5ecaa46d29b7948f8563959109650cdd64b002b9e8a1200320f5fe
SSDEEP

768:x06R0UrgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9ICW:XR0jn3Pc0LCH9MtbvabUDzJYWu3B

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
3148	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2176-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2176-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3148-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3148-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3148-31-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3148-33-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3148-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxA2D7.tmp	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3912	4976	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	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.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\VersionManager	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\GPU	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\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156111"	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\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\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\FullScreen = "no"	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\LastCheckForUpdateLowDateTime = "2206709715"	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\Recovery\AdminActive\{AEF0DD39-D382-11EF-BDBF-EE6C25FCE24B} = "0"	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\LastCheckForUpdateLowDateTime = "2205458991"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156111"	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 (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443739345"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe
3148	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2264	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2264	iexplore.exe
2264	iexplore.exe
3772	IEXPLORE.EXE
3772	IEXPLORE.EXE
3772	IEXPLORE.EXE
3772	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2176	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
3148	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3148	2176	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe	83
PID 2176 wrote to memory of 3148	2176	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe	83
PID 2176 wrote to memory of 3148	2176	JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe	83
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 4976	3148	WaterMark.exe	84
PID 3148 wrote to memory of 2264	3148	WaterMark.exe	89
PID 3148 wrote to memory of 2264	3148	WaterMark.exe	89
PID 3148 wrote to memory of 4068	3148	WaterMark.exe	90
PID 3148 wrote to memory of 4068	3148	WaterMark.exe	90
PID 2264 wrote to memory of 3772	2264	iexplore.exe	92
PID 2264 wrote to memory of 3772	2264	iexplore.exe	92
PID 2264 wrote to memory of 3772	2264	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61a8261c135520d227f7e8bb1f8f5ae5.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2176
- 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:3148
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 204
      4⤵
      Program crash
      PID:3912
- - 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:2264
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2264 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3772
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4976 -ip 4976
1⤵
PID:3700

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
61a8261c135520d227f7e8bb1f8f5ae5

SHA1
8debf844f0b28f0536f7172cbbb3b248ae3fc435

SHA256
20f2c369b2ed1cf79f2473655561aebb94e0bb2738ff1b5e8f32cbfc9d4df28a

SHA512
fcbd772d11754575d62b88f06285b2fbb5aaa012206ddcc9e9d5bd09bcd6698651b2e470ce5ecaa46d29b7948f8563959109650cdd64b002b9e8a1200320f5fe

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
047e156c740f5084bbc1f29735d06b05

SHA1
762fd9f3902e07854097f4d43664b7340c547b29

SHA256
789e517421f95883d6fe9759d989ee1f887a24404e37dcae865b06213f52c861

SHA512
f4c9cdc43a505683caa284807a6f77909ae21b2efbee7658d5a0ce511a02b9738c000023f9b532ca1628e5a073adec00400f86db8343ab2bc744738804676715

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/2176-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-6-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/2176-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2176-0-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2176-2-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2176-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3148-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3148-30-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3148-31-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3148-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3148-34-0x00000000778A2000-0x00000000778A3000-memory.dmp

Filesize
4KB

Download
memory/3148-33-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3148-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3148-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/3148-26-0x00000000778A2000-0x00000000778A3000-memory.dmp

Filesize
4KB

Download
memory/4976-28-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4976-29-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download

Analysis

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