dridex | 534ee72f8772e646f265c6708da93ae1135b9cba3868f5f40cccb64eb54f1989

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 20:08

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General

Target

JaffaCakes118_534ee72f8772e646f265c6708da93ae1135b9cba3868f5f40cccb64eb54f1989.dll
Size

184KB
MD5

a65666f1423ee3c88c7808082427bcca
SHA1

39b7e6d2f23a125c222e1c9c63c9fb1918c64bdd
SHA256

534ee72f8772e646f265c6708da93ae1135b9cba3868f5f40cccb64eb54f1989
SHA512

b4626d7cec6a891c2571ddf8de3c6ed3544e62bd6f2433396830d929a98d7c9b358afdacfaf8a3f303431d6da6d9f107a6fb2fff4838b4e451d69c3d55b64ba9
SSDEEP

3072:AuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4K9lmsb:u7TXYsd9SkONU1jKGl2lm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/2428-0-0x00000000749F0000-0x0000000074A20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1136	2428	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 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 1924 wrote to memory of 2428	1924	rundll32.exe	30
PID 2428 wrote to memory of 1136	2428	rundll32.exe	32
PID 2428 wrote to memory of 1136	2428	rundll32.exe	32
PID 2428 wrote to memory of 1136	2428	rundll32.exe	32
PID 2428 wrote to memory of 1136	2428	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_534ee72f8772e646f265c6708da93ae1135b9cba3868f5f40cccb64eb54f1989.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_534ee72f8772e646f265c6708da93ae1135b9cba3868f5f40cccb64eb54f1989.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 220
    3⤵
    - Program crash
    PID:1136

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/2428-0-0x00000000749F0000-0x0000000074A20000-memory.dmp

Filesize
192KB

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memory/2428-1-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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