ramnit | 23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 12:25

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General

Target

JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe
Size

95KB
MD5

0e9026f2988641f4851a1f6fc7ffdb81
SHA1

e362f3b90be4f10de448ce97a8d0a6f35fa4f466
SHA256

23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6
SHA512

c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0
SSDEEP

768:j06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:hR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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
1948	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3248-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1948-22-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/memory/1948-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3248-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1948-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1948-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1948-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\pxBAA5.tmp	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
116	3800	WerFault.exe	83

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_0e9026f2988641f4851a1f6fc7ffdb81.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 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "699938452"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "699938452"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443449714"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5555D285-D0E0-11EF-9361-6AACA39217E0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155437"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "701657189"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155437"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155437"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe
1948	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3580	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3580	iexplore.exe
3580	iexplore.exe
2948	IEXPLORE.EXE
2948	IEXPLORE.EXE
2948	IEXPLORE.EXE
2948	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3248	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe
1948	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 1948	3248	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe	82
PID 3248 wrote to memory of 1948	3248	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe	82
PID 3248 wrote to memory of 1948	3248	JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe	82
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3800	1948	WaterMark.exe	83
PID 1948 wrote to memory of 3580	1948	WaterMark.exe	87
PID 1948 wrote to memory of 3580	1948	WaterMark.exe	87
PID 1948 wrote to memory of 1620	1948	WaterMark.exe	88
PID 1948 wrote to memory of 1620	1948	WaterMark.exe	88
PID 3580 wrote to memory of 2948	3580	iexplore.exe	89
PID 3580 wrote to memory of 2948	3580	iexplore.exe	89
PID 3580 wrote to memory of 2948	3580	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e9026f2988641f4851a1f6fc7ffdb81.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3248
- 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:1948
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 204
      4⤵
      Program crash
      PID:116
- - 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:3580
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3580 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2948
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3800 -ip 3800
1⤵
PID:112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

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
0e9026f2988641f4851a1f6fc7ffdb81

SHA1
e362f3b90be4f10de448ce97a8d0a6f35fa4f466

SHA256
23a03d0ad48af12f1a53d9b7c4a8740baa69a4aafbe87050d96553f53816c3b6

SHA512
c1c5d15d96f629bb000702765363253f474c7471f522c1d75c30ed5148bb92947fced4ffdf0a518fd8249ee23c89e360fc8488d34828309b96540b41971c5bb0

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

Filesize
471B

MD5
975df3dbca02c4223ad98b4405ec0cd8

SHA1
62c3b5b2d32df9cedede3d746956a999d34beff1

SHA256
87d1e303201f45a5b0080b4580575bb564446751cafe9da1e8ce11a9c6a842fd

SHA512
1277f93b24c89c39cee767c05e3e450da71aa5bade2fcc2559ef39c3b747c3db491488e63e8d21911e668885308d717fb7d47e2b3a70ff24b0a7250b5f671417

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

Filesize
404B

MD5
f82db0e73dd1af47a8987411d4b6dcc1

SHA1
202bd8c2a89b1219fb143a1cf0a66423d383629b

SHA256
fb8c34bd41ca214e482cdf89642e7d49827d87960f97684133b02999f85a8211

SHA512
62d34be6883bbf0c68d4570bf5e6510afe4454e6325265f573be3b79bcdc2f591da88c091f8b55bdaaa13d2a631cfe2b80f809fabeca1fa1dd809fa276ff5f6d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1948-22-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1948-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1948-28-0x0000000077452000-0x0000000077453000-memory.dmp

Filesize
4KB

Download
memory/1948-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1948-25-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/1948-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1948-34-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1948-33-0x0000000077452000-0x0000000077453000-memory.dmp

Filesize
4KB

Download
memory/1948-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3248-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-6-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3248-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-7-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/3248-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3248-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/3800-30-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/3800-31-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download