dridex | c4d821093858080ad54b830e88d2315815a672d66f22d682769caf6d74bc2e4b

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 00:29

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General

Target

JaffaCakes118_c4d821093858080ad54b830e88d2315815a672d66f22d682769caf6d74bc2e4b.dll
Size

162KB
MD5

df477f5800d8dd9fa730851afd8e5b06
SHA1

9a597f729034df85cd2b881785ab563a826fd19b
SHA256

c4d821093858080ad54b830e88d2315815a672d66f22d682769caf6d74bc2e4b
SHA512

21ad1b24c134ef321be4a6cbc44f48f0ebfb4f9ea7cdcfed70a579592addd20565d8936197470be380470e96ceb5ae6ee666f8da2964efeb3c52766808e44c20
SSDEEP

3072:resl4+VdlY+01jb5SA5hg9PTEfPa1x+pq0KbuFicLJL:P4+VZQpt5hyPsa1ekiEyL

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

203.114.109.124:443

82.165.145.100:6601

94.177.255.18:8172

rc4.plain

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/1640-1-0x0000000010000000-0x000000001002D000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	1640	WerFault.exe	30

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 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 2588 wrote to memory of 1640	2588	rundll32.exe	30
PID 1640 wrote to memory of 2064	1640	rundll32.exe	31
PID 1640 wrote to memory of 2064	1640	rundll32.exe	31
PID 1640 wrote to memory of 2064	1640	rundll32.exe	31
PID 1640 wrote to memory of 2064	1640	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d821093858080ad54b830e88d2315815a672d66f22d682769caf6d74bc2e4b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d821093858080ad54b830e88d2315815a672d66f22d682769caf6d74bc2e4b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 256
    3⤵
    - Program crash
    PID:2064

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

memory/1640-1-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

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memory/1640-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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