dridex | 57e4f7f409014df1308c88e3a1516a8abfab859f3a53564affd204e5e3d89e2c

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:27

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General

Target

JaffaCakes118_57e4f7f409014df1308c88e3a1516a8abfab859f3a53564affd204e5e3d89e2c.dll
Size

188KB
MD5

b0422f3cfdb9d11c8d0f2459c42cfd38
SHA1

e215070040651e86c1b20d7931112a3ade7a6456
SHA256

57e4f7f409014df1308c88e3a1516a8abfab859f3a53564affd204e5e3d89e2c
SHA512

eefeff8c6eca1e1bb6f8e0a3d2f102a3c201155ecf28b37b7b04f30e3d149b5d21b8ec5b3273cc619c4c18757d43e790777de2c3a054da06bd92dcc360c0efd2
SSDEEP

3072:mA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoho:mzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/2792-0-0x0000000074DE0000-0x0000000074E10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1924	2792	WerFault.exe	28

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 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 1656 wrote to memory of 2792	1656	rundll32.exe	28
PID 2792 wrote to memory of 1924	2792	rundll32.exe	29
PID 2792 wrote to memory of 1924	2792	rundll32.exe	29
PID 2792 wrote to memory of 1924	2792	rundll32.exe	29
PID 2792 wrote to memory of 1924	2792	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e4f7f409014df1308c88e3a1516a8abfab859f3a53564affd204e5e3d89e2c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57e4f7f409014df1308c88e3a1516a8abfab859f3a53564affd204e5e3d89e2c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 300
    3⤵
    - Program crash
    PID:1924

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/2792-0-0x0000000074DE0000-0x0000000074E10000-memory.dmp

Filesize
192KB

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memory/2792-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

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