dridex | e9c357acf089883b4fe651e0c961ca25d38026305534be3d70b7159ae94ae89f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 11:38 UTC

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General

Target

JaffaCakes118_e9c357acf089883b4fe651e0c961ca25d38026305534be3d70b7159ae94ae89f.dll
Size

184KB
MD5

dc66778839e7b4c39110090fed55c096
SHA1

7444cf680231562b9c2fd28324f3179fa99dae38
SHA256

e9c357acf089883b4fe651e0c961ca25d38026305534be3d70b7159ae94ae89f
SHA512

2de62c7ab3ade7b16611044f0b1467eb58d5f0358ff3b969cb0f14ae8d9cbf790e1ac89e3e645281836e65d15114e6031de8c2a720f1836b542bb9aa0c0601bd
SSDEEP

3072:9iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoclzoxss7:9iLVCIT4WK2z1W+CUHZj4Skq/eaoioC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

1
XH2KyJtcJ7RSk5n0Ak2zUIsoefdhHZlKRYf

rc4.plain

1
4kmGii2PxD0nUmTK0vPB5SKEDW52nDGZTaRL4tBBLTmujo5lrSKFODpSSewAaVVxr3oshb5

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/1720-0-0x0000000074B30000-0x0000000074B5F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	1720	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 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 2556 wrote to memory of 1720	2556	rundll32.exe	30
PID 1720 wrote to memory of 2692	1720	rundll32.exe	32
PID 1720 wrote to memory of 2692	1720	rundll32.exe	32
PID 1720 wrote to memory of 2692	1720	rundll32.exe	32
PID 1720 wrote to memory of 2692	1720	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e9c357acf089883b4fe651e0c961ca25d38026305534be3d70b7159ae94ae89f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e9c357acf089883b4fe651e0c961ca25d38026305534be3d70b7159ae94ae89f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 220
    3⤵
    - Program crash
    PID:2692

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/1720-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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memory/1720-0-0x0000000074B30000-0x0000000074B5F000-memory.dmp

Filesize
188KB

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