dridex | 61cc9c701017f9a0f78e879b900c326aeda490897d9438bd192a3ebb37279b0d

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 11:12

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General

Target

JaffaCakes118_61cc9c701017f9a0f78e879b900c326aeda490897d9438bd192a3ebb37279b0d.dll
Size

177KB
MD5

4e33a49861af2bda48855c4543771ac5
SHA1

5bc2fe2e32a5937f2b1542c8e951fb8dea94976d
SHA256

61cc9c701017f9a0f78e879b900c326aeda490897d9438bd192a3ebb37279b0d
SHA512

8c94dcb2efe968b880a4d2acbbafad4330d9450d0a01b4a5d3b4b3c4d8d45fd613a5fa96687c1a59be71a7e2f11cc308ed3479058f9f82e1ceeb053f6a3575c8
SSDEEP

3072:huCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:NzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/1720-0-0x0000000074DD0000-0x0000000074E01000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	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 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 2552 wrote to memory of 1720	2552	rundll32.exe	30
PID 1720 wrote to memory of 2100	1720	rundll32.exe	31
PID 1720 wrote to memory of 2100	1720	rundll32.exe	31
PID 1720 wrote to memory of 2100	1720	rundll32.exe	31
PID 1720 wrote to memory of 2100	1720	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61cc9c701017f9a0f78e879b900c326aeda490897d9438bd192a3ebb37279b0d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61cc9c701017f9a0f78e879b900c326aeda490897d9438bd192a3ebb37279b0d.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:2100

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/1720-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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memory/1720-0-0x0000000074DD0000-0x0000000074E01000-memory.dmp

Filesize
196KB

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