ramnit | 5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36

Analysis

max time kernel
96s
max time network
102s
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, 04:26

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General

Target
5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll
Size 453KB
Sample241005-e2j11svgrm
SHA256 5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36
MD5 1546d4a7d54d46a0a0688241dc3758d0
SHA1 5974f2f7bf9588a243b249cccc28907072a44a4e
SHA512 b784943e8de6027d2785ef5845abd2b11f5495b06e866d854df4cbac0ef42693a8d7ddecf797bae5ba87605feefed6b47e8693589e9f6ffa33dbd63e31a1b081
SSDEEP 3072:OwqD3L8Tezq0et+ui1yiMgo9ae3LV1dKdLhtKeoVWh7VnSNFKsa0hp:9q/81JivhM1sdLhtloVWNV6a0hp
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
2588	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
2588	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2588-7-0x0000000000400000-0x000000000045C000-memory.dmp	upx
behavioral2/memory/2588-11-0x0000000000400000-0x000000000045C000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1272	2588	WerFault.exe	83
3176	1536	WerFault.exe	82

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 1856 wrote to memory of 1536	1856	rundll32.exe	82
PID 1856 wrote to memory of 1536	1856	rundll32.exe	82
PID 1856 wrote to memory of 1536	1856	rundll32.exe	82
PID 1536 wrote to memory of 2588	1536	rundll32.exe	83
PID 1536 wrote to memory of 2588	1536	rundll32.exe	83
PID 1536 wrote to memory of 2588	1536	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2588
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 492
      4⤵
      Program crash
      PID:1272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 624
    3⤵
    - Program crash
    PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1536 -ip 1536
1⤵
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2588 -ip 2588
1⤵
PID:5104

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

~TM5F18.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TM5F18.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 354KB
SHA256 7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546
MD5 a8245f71e4e4aff10e574300abd2bcc2
SHA1 7ea3ae53a0697e526c6bc877b103b390af042d7a
SHA512 8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978
SSDEEP 3072:Vlo1Tbg90dIKmR5j273PAmr0auTmqqGcDCn+C5C7Q2mDoH:Q1XqN5a73Px3uTBqGcDCn+C5CMwH
MD5 SHA1 SHA512 SSDEEP

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memory/1536-0-0x0000000075100000-0x0000000075176000-memory.dmp

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memory/1536-12-0x0000000075100000-0x0000000075176000-memory.dmp

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memory/2588-4-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2588-7-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2588-6-0x0000000000400000-0x000000000045C000-memory.dmp

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memory/2588-11-0x0000000000400000-0x000000000045C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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