dridex | 1caa88209c487a59038555bb0554082d8d27dfbad5febb3be094b55c2667cb96

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/12/2024, 10:00 UTC

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General

Target

JaffaCakes118_1caa88209c487a59038555bb0554082d8d27dfbad5febb3be094b55c2667cb96.dll
Size

177KB
MD5

ed766eeef453f99e2fb8e8f4d839ecd2
SHA1

2cf27303c94810c4568a715c9e4b09b5fda43674
SHA256

1caa88209c487a59038555bb0554082d8d27dfbad5febb3be094b55c2667cb96
SHA512

93f49858631e3c5c1ed02f502dc3fad9b1912490f035137df975f555886672e28291f57fb8a9bdc55051dcc7cc2383dff7cbf15c52583626fff8604198022319
SSDEEP

3072:ouCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:0zWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

1
YjbQeq5UMzLaqTuxGlME3hD5AZvvRe5dSrViGkA4D3iqQ

rc4.plain

1
5oO2mBtXHaMUXu5tCn6RiiaG0OpiGUDJgk3FMD9BEFejUNONblkzzEmo9zKtF

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2112-1-0x0000000074D10000-0x0000000074D41000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2112	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2388 wrote to memory of 2112	2388	rundll32.exe	31
PID 2112 wrote to memory of 2328	2112	rundll32.exe	32
PID 2112 wrote to memory of 2328	2112	rundll32.exe	32
PID 2112 wrote to memory of 2328	2112	rundll32.exe	32
PID 2112 wrote to memory of 2328	2112	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1caa88209c487a59038555bb0554082d8d27dfbad5febb3be094b55c2667cb96.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1caa88209c487a59038555bb0554082d8d27dfbad5febb3be094b55c2667cb96.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 220
    3⤵
    - Program crash
    PID:2328

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

memory/2112-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2112-1-0x0000000074D10000-0x0000000074D41000-memory.dmp

Filesize
196KB

Download
memory/2112-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download