dridex | 5eefc4e20adcf3ca7028928be5134051c83abfc650f9a033d8e3b250100b198c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:58

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General

Target

JaffaCakes118_5eefc4e20adcf3ca7028928be5134051c83abfc650f9a033d8e3b250100b198c.dll
Size

184KB
MD5

c522a0b447aecc67ecf15a9063daba7b
SHA1

dd53117cdbcd1b49a0d13d28f58cc3b5e02ede64
SHA256

5eefc4e20adcf3ca7028928be5134051c83abfc650f9a033d8e3b250100b198c
SHA512

7c7d5c553743e4c6145fb495e7c77b1930fd84d7f18cfeccd0810ed7db47ff5f36cd41a43fd50aba8323a05f39b8b6a1d165eb2e602008202496dc9ed8ac4467
SSDEEP

3072:PJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J9a//2uFrSc:cfYOX+wTScR/Xzku9LVw6uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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
behavioral1/memory/2900-1-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr
behavioral1/memory/2900-3-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2900	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 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2440 wrote to memory of 2900	2440	rundll32.exe	28
PID 2900 wrote to memory of 2120	2900	rundll32.exe	29
PID 2900 wrote to memory of 2120	2900	rundll32.exe	29
PID 2900 wrote to memory of 2120	2900	rundll32.exe	29
PID 2900 wrote to memory of 2120	2900	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5eefc4e20adcf3ca7028928be5134051c83abfc650f9a033d8e3b250100b198c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5eefc4e20adcf3ca7028928be5134051c83abfc650f9a033d8e3b250100b198c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 220
    3⤵
    - Program crash
    PID:2120

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/2900-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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memory/2900-1-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

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memory/2900-3-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

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