dridex | 086c55bd1b99d1249eca1373d55bf2109110559514b3a74b16e732a88c5e5aa6

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:14

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General

Target

JaffaCakes118_086c55bd1b99d1249eca1373d55bf2109110559514b3a74b16e732a88c5e5aa6.dll
Size

184KB
MD5

8d61031eee985b6bece9d0344a073140
SHA1

11974c17368b0ac0e1e38331693c0ac40c32d49c
SHA256

086c55bd1b99d1249eca1373d55bf2109110559514b3a74b16e732a88c5e5aa6
SHA512

6e7fc74d0a8c6ba50b27496bae8ac19b154dfc4ffbcae3ca0be5b912842cc5fc919e5b927054863e474090883b28696105add3af5dddbd77b42de3cd7a287a74
SSDEEP

3072:OJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J+a//2uFrSc:3fYOX+wTScR/Xzku9LVw9uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1548-1-0x0000000075100000-0x000000007512F000-memory.dmp	dridex_ldr
behavioral1/memory/1548-2-0x0000000075100000-0x000000007512F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	1548	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 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 548 wrote to memory of 1548	548	rundll32.exe	31
PID 1548 wrote to memory of 2040	1548	rundll32.exe	32
PID 1548 wrote to memory of 2040	1548	rundll32.exe	32
PID 1548 wrote to memory of 2040	1548	rundll32.exe	32
PID 1548 wrote to memory of 2040	1548	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_086c55bd1b99d1249eca1373d55bf2109110559514b3a74b16e732a88c5e5aa6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_086c55bd1b99d1249eca1373d55bf2109110559514b3a74b16e732a88c5e5aa6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 220
    3⤵
    - Program crash
    PID:2040

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/1548-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1548-1-0x0000000075100000-0x000000007512F000-memory.dmp

Filesize
188KB

Download
memory/1548-3-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1548-2-0x0000000075100000-0x000000007512F000-memory.dmp

Filesize
188KB

Download