dridex | a4b3982234a0569221b9386a7611ef4a5d930b028855e7eee3a20b3461f07838

Analysis

max time kernel
98s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 17:08

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General

Target

JaffaCakes118_a4b3982234a0569221b9386a7611ef4a5d930b028855e7eee3a20b3461f07838.dll
Size

184KB
MD5

94b9521101a121faacd35caaef0a7fc4
SHA1

3c345aaf6ab89e560aa32d4048a2f095a18a9b7e
SHA256

a4b3982234a0569221b9386a7611ef4a5d930b028855e7eee3a20b3461f07838
SHA512

ce3bd1d823abf0674666c8c35eb0abfa210e71dbf235e8c9fb5e3b4ad2411dc6048e4862769e000e75c82b68e16b2e7f199040f1f6d2e8f232540d77e20698ae
SSDEEP

3072:N92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTGrLA:N9NSMOEpQ1Q3ODAr+Vi

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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
behavioral2/memory/4436-0-0x0000000074C90000-0x0000000074CBF000-memory.dmp	dridex_ldr
behavioral2/memory/4436-3-0x0000000074C90000-0x0000000074CBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3296	4436	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 4436	5008	rundll32.exe	83
PID 5008 wrote to memory of 4436	5008	rundll32.exe	83
PID 5008 wrote to memory of 4436	5008	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4b3982234a0569221b9386a7611ef4a5d930b028855e7eee3a20b3461f07838.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a4b3982234a0569221b9386a7611ef4a5d930b028855e7eee3a20b3461f07838.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 624
    3⤵
    - Program crash
    PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4436 -ip 4436
1⤵
PID:5048

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/4436-0-0x0000000074C90000-0x0000000074CBF000-memory.dmp

Filesize
188KB

Download
memory/4436-2-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download
memory/4436-3-0x0000000074C90000-0x0000000074CBF000-memory.dmp

Filesize
188KB

Download