ramnit | 564917176f32fbc5f26262b144a7c6d636077d63a78315284a8035278bf01431

General

Target

JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe
Size

95KB
MD5

069151517cf82f997a6b7bbc4d7a5b6a
SHA1

8fd58d248a2beac5241c8892033ddbd6333893c4
SHA256

564917176f32fbc5f26262b144a7c6d636077d63a78315284a8035278bf01431
SHA512

525b1b2d48bc705cbea1b5fba82a52c9188ccdba94a9ff6359d64c108e5734955906aa0e08a02b83cbcbf15ee00e8b12d41c49f395a560eb35de2da1930d0bb6
SSDEEP

768:p06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:/R0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
2820	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4300-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2820-21-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2820-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4300-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2820-35-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/2820-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2820-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2820-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px688D.tmp	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2404	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_069151517cf82f997a6b7bbc4d7a5b6a.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{995CA2CD-D824-11EF-AF2A-E26222BAF6A3} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444248692"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157297"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1843266821"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157297"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1844517636"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe
2820	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2740	iexplore.exe
2740	iexplore.exe
3484	IEXPLORE.EXE
3484	IEXPLORE.EXE
3484	IEXPLORE.EXE
3484	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4300	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe
2820	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 2820	4300	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe	83
PID 4300 wrote to memory of 2820	4300	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe	83
PID 4300 wrote to memory of 2820	4300	JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe	83
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2404	2820	WaterMark.exe	84
PID 2820 wrote to memory of 2740	2820	WaterMark.exe	89
PID 2820 wrote to memory of 2740	2820	WaterMark.exe	89
PID 2820 wrote to memory of 2272	2820	WaterMark.exe	90
PID 2820 wrote to memory of 2272	2820	WaterMark.exe	90
PID 2740 wrote to memory of 3484	2740	iexplore.exe	92
PID 2740 wrote to memory of 3484	2740	iexplore.exe	92
PID 2740 wrote to memory of 3484	2740	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_069151517cf82f997a6b7bbc4d7a5b6a.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4300
- 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:2820
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 204
      4⤵
      Program crash
      PID:2716
- - 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:2740
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2740 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3484
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2404 -ip 2404
1⤵
PID:2116

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
069151517cf82f997a6b7bbc4d7a5b6a

SHA1
8fd58d248a2beac5241c8892033ddbd6333893c4

SHA256
564917176f32fbc5f26262b144a7c6d636077d63a78315284a8035278bf01431

SHA512
525b1b2d48bc705cbea1b5fba82a52c9188ccdba94a9ff6359d64c108e5734955906aa0e08a02b83cbcbf15ee00e8b12d41c49f395a560eb35de2da1930d0bb6

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

Filesize
471B

MD5
fbd57568c7e969025fd7a77d6a9e5f45

SHA1
d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

SHA256
b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

SHA512
c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

Filesize
404B

MD5
d2f0b64cfad8fe9b8d23cb427326e068

SHA1
a9aee3585d25290c95295199b70ed96db1733973

SHA256
3e83550dd6ddff9341d6f5a4080217dda45cb6b33fb8197bf2cc8ebb9fa2e7c9

SHA512
cc41bc6c86e91a7aea5e71c522e7258a62a0e1ceefb0e5d453dfb1fbb98c06f44014b09d71ccfbb9dbf5471bf5ba89f70fae4320e3a6b806ed1e49036bb836f0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2404-30-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/2404-31-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/2820-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2820-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2820-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2820-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2820-27-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2820-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2820-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2820-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2820-32-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2820-35-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4300-24-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4300-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-6-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4300-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4300-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-7-0x0000000001910000-0x0000000001911000-memory.dmp

Filesize
4KB

Download
memory/4300-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4300-1-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download

Analysis

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