ramnit | 2d15161f3fa63e0d2267e59adcc6b9f4c9a6a0e154174d5231f272c4d40eb278

Analysis

max time kernel
94s
max time network
146s
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, 22:25

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General

Target

JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe
Size

95KB
MD5

19c8b353cf7afa719c6ce799c0796923
SHA1

d485bf1c0a5b86e8aa1c6375e2e6d5ad3d8439a9
SHA256

2d15161f3fa63e0d2267e59adcc6b9f4c9a6a0e154174d5231f272c4d40eb278
SHA512

c17916bf3e134598d748e4994b663576f28380aad03eb4e0a645b79be80c2558148d06b7f32502151d612d4ee8cee7ca2404a1b7d75e7e0ef47121d387921b7f
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
464	WaterMark.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3668-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3668-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/464-23-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/464-24-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/464-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/464-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9D3A.tmp	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	4908	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_19c8b353cf7afa719c6ce799c0796923.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 (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3900138080"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443485682"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3898575264"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155520"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{13F86185-D134-11EF-B9D5-CAF61997B0B0} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31155520"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3898575264"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31155520"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe
464	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1288	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1288	iexplore.exe
1288	iexplore.exe
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3668	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe
464	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 464	3668	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe	82
PID 3668 wrote to memory of 464	3668	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe	82
PID 3668 wrote to memory of 464	3668	JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe	82
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 4908	464	WaterMark.exe	83
PID 464 wrote to memory of 1288	464	WaterMark.exe	87
PID 464 wrote to memory of 1288	464	WaterMark.exe	87
PID 464 wrote to memory of 3212	464	WaterMark.exe	88
PID 464 wrote to memory of 3212	464	WaterMark.exe	88
PID 1288 wrote to memory of 1072	1288	iexplore.exe	89
PID 1288 wrote to memory of 1072	1288	iexplore.exe	89
PID 1288 wrote to memory of 1072	1288	iexplore.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19c8b353cf7afa719c6ce799c0796923.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3668
- 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:464
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4908
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 204
      4⤵
      Program crash
      PID:4940
- - 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:1288
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1288 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1072
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4908 -ip 4908
1⤵
PID:4904

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
19c8b353cf7afa719c6ce799c0796923

SHA1
d485bf1c0a5b86e8aa1c6375e2e6d5ad3d8439a9

SHA256
2d15161f3fa63e0d2267e59adcc6b9f4c9a6a0e154174d5231f272c4d40eb278

SHA512
c17916bf3e134598d748e4994b663576f28380aad03eb4e0a645b79be80c2558148d06b7f32502151d612d4ee8cee7ca2404a1b7d75e7e0ef47121d387921b7f

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
fcb6ae482bb5bef676a9ebc06e6b4fb4

SHA1
b082effa3f447f81cfb784b395051e9f4271cbde

SHA256
6b35152ea75b96cbcfb1568adcf68548d86b2b51409ec5ce61211ba42d502c32

SHA512
1f6a3fe1fa0dd8b9d25935fb4f508bd941a4e601d8f290b5c106bd9048ca6defe9f23ace4617fd9c6a82d7514f2fc269736447cc2209dfd76046fc7fdd32683c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/464-31-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/464-32-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/464-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/464-30-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/464-25-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/464-26-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/464-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/464-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-0-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3668-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3668-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3668-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/4908-28-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/4908-29-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download