dridex | b8bf1faff17975a531cab0f698d3012d838b4e89400e6969d0a4996ec99e671b

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 01:13

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General

Target

JaffaCakes118_b8bf1faff17975a531cab0f698d3012d838b4e89400e6969d0a4996ec99e671b.dll
Size

170KB
MD5

09fc22d015501436d80b75b4a9514219
SHA1

ba0acc4be50c8f4d8747dc5170f39ffd616a068d
SHA256

b8bf1faff17975a531cab0f698d3012d838b4e89400e6969d0a4996ec99e671b
SHA512

b8c123d2bbb6c05d2eded787f36be1380940cb0ae01575144688800bcb079dc34af22d0b6820f1a38ccbb8a1fce0fe48fc3508de7f5679c2ebad45345ed15ba8
SSDEEP

3072:1V/jTmL3X6TLhgZBxbvRS1ebSi75S5NNZ4n+whXVM9MWdo8erj:1V/jTe38LiI4Oi75izyn+4lm

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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
behavioral2/memory/3592-0-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	3592	WerFault.exe	82

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 3888 wrote to memory of 3592	3888	rundll32.exe	82
PID 3888 wrote to memory of 3592	3888	rundll32.exe	82
PID 3888 wrote to memory of 3592	3888	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8bf1faff17975a531cab0f698d3012d838b4e89400e6969d0a4996ec99e671b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b8bf1faff17975a531cab0f698d3012d838b4e89400e6969d0a4996ec99e671b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 636
    3⤵
    - Program crash
    PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3592 -ip 3592
1⤵
PID:4556

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/3592-0-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

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memory/3592-2-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

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