ramnit | 358c11cf468efa01a1d40ad0042857d05bf27b3799895b34a28a35628ca75137

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 09:11

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General

Target
17114db832878c689184db3a98dd4630_JaffaCakes118.dll
Size 552KB
Sample241005-k5sefsxbkr
SHA256 358c11cf468efa01a1d40ad0042857d05bf27b3799895b34a28a35628ca75137
MD5 17114db832878c689184db3a98dd4630
SHA1 adaf2d95f35bcb17643aea750ac7c9d0e10cde80
SHA512 cdd8e52b8d377b750a1cfb03fff092cf374159a050b6d166370650ba2377901826f758ace6f367430a21d284afe0ab8ff482833781c104542eee6008db500181
SSDEEP 12288:wehnaNPpSVZmNxRCwnwm3W3OHIIf5dafoH3XHYsNJO463:weh0PpS6NxNnwYeOHXHCq3XYcO
MD5 SHA1 SHA512 SSDEEP

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

Executes dropped EXE 1 IoCs

pid	Process
2008	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
2008	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2008-9-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1504	2488	WerFault.exe	82
3612	2008	WerFault.exe	83

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 2488	220	rundll32.exe	82
PID 220 wrote to memory of 2488	220	rundll32.exe	82
PID 220 wrote to memory of 2488	220	rundll32.exe	82
PID 2488 wrote to memory of 2008	2488	rundll32.exe	83
PID 2488 wrote to memory of 2008	2488	rundll32.exe	83
PID 2488 wrote to memory of 2008	2488	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\17114db832878c689184db3a98dd4630_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17114db832878c689184db3a98dd4630_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 10184
      4⤵
      Program crash
      PID:3612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 608
    3⤵
    - Program crash
    PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2488 -ip 2488
1⤵
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2008 -ip 2008
1⤵
PID:3296

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

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Downloads

~TM8DD8.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TM8DD8.tmp
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 169KB
SHA256 6df4c841c30d414cfee93573963036abfd669627081705c6a0d9e65fd6846f53
MD5 335f0aeb047ac7782090828b5d4fa10e
SHA1 73355b1c843bec7be94b0a39efb5ff3b1b4ee547
SHA512 635d1e473a0f2cebad020f80e211b55bcb12742ddde1e65db182b077c8873f639b491ab8d11a6781095cf16729e03f93696514de72b58efad8157fad3ff399f1
SSDEEP 3072:4hhuSFLi3loETb/Gio5ggvE1Cs7r2ZOjp1oRMon+sNdI3AmHwPBKJRpkzD7ayflH:4mqNEnGoXNon3QAfs22yH
MD5 SHA1 SHA512 SSDEEP

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memory/2008-5-0x00000000005E0000-0x000000000064B000-memory.dmp

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memory/2008-9-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/2488-1-0x0000000010000000-0x000000001008C000-memory.dmp

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memory/2488-10-0x0000000010000000-0x000000001008C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads