ramnit | e05bf49fd4bfeec4f8ea08eba1b62500e778ef47c63fdc156bd193c682a3c126

Analysis

max time kernel
105s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2025, 04:29

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General

Target

JaffaCakes118_88604ad79ecb7f818bbcceba073e43f9.dll
Size

144KB
MD5

88604ad79ecb7f818bbcceba073e43f9
SHA1

bb3ef6e04606f387829041fd6d20b5d5810504b3
SHA256

e05bf49fd4bfeec4f8ea08eba1b62500e778ef47c63fdc156bd193c682a3c126
SHA512

9aaa94dacafec669a24e98271c8f687beaeef88cdbcc5e9402fd011ac7caf055a3239b17e5463d2b21a7c9db1badf16e395185da545c4857a5d44e6ba80625c8
SSDEEP

3072:aLFyLw4MDuCyfzKqrhtYuEL+sm7dVDGFyPtBD:EbafzoL+PdQyX

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
1408	regsvr32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1408	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1408-7-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-11-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-14-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-12-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/1408-9-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5248	1408	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Modifies registry class 37 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods\ = "33"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ = "IDxvaConfig"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\NumMethods\ = "5"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ = "ICLAudProp3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods\ = "47"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\NumMethods\ = "24"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ = "IVideoSet3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\NumMethods\ = "18"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_88604ad79ecb7f818bbcceba073e43f9.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ = "IVideoSet"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E972830F-9A57-49D4-90A0-D3D289C71CF2}\ = "IVideoSet2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4A7B79D-4473-4C4F-8F26-E240BFEDB72A}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{66AA0EC6-10E5-494C-AE9B-5541264CE597}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{509C4001-13C5-11D5-8F2A-0080C84E9C39}\ProxyStubClsid32\ = "{509C4001-13C5-11D5-8F2A-0080C84E9C39}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FC8869C0-D263-49FE-BF43-4682BF7EA183}	regsvr32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1408	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1180	1132	regsvr32.exe	87
PID 1132 wrote to memory of 1180	1132	regsvr32.exe	87
PID 1132 wrote to memory of 1180	1132	regsvr32.exe	87
PID 1180 wrote to memory of 1408	1180	regsvr32.exe	88
PID 1180 wrote to memory of 1408	1180	regsvr32.exe	88
PID 1180 wrote to memory of 1408	1180	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88604ad79ecb7f818bbcceba073e43f9.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88604ad79ecb7f818bbcceba073e43f9.dll
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    PID:1408
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 440
      4⤵
      Program crash
      PID:5248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1408 -ip 1408
1⤵
PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\~TM9C01.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
113KB

MD5
d26092af969610dab56e02649ecae88d

SHA1
cd450ff4b645acd188fa1f9e9c16a972c0e99f87

SHA256
e4fedb771fd949517cbf3392c9f36be599bf16726a4702cb960a1f4845c39a71

SHA512
8c87bf4318089dc03d7c60b1d1f04ac46333f792ca37bd3a0ca832dc22ae56dc8b0a473154706ef58812c70cf99d6fee877ab4984ce973eaaa3e5d1525730b05

Download Submit
memory/1180-1-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/1408-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-10-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1408-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-19-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/1408-18-0x0000000077252000-0x0000000077254000-memory.dmp

Filesize
8KB

Download
memory/1408-7-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-12-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1408-9-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download