dridex | 73bdd23744f9811dfec428acaefe85e7dc02f0eacdab677c58186d4a342c098c

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:49

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General

Target

JaffaCakes118_73bdd23744f9811dfec428acaefe85e7dc02f0eacdab677c58186d4a342c098c.dll
Size

184KB
MD5

6bfea7e3b3151301dddb7725d1a24af9
SHA1

9c860f98d6a5ccc1e5b0dc1bb274f2acdefdcbd8
SHA256

73bdd23744f9811dfec428acaefe85e7dc02f0eacdab677c58186d4a342c098c
SHA512

1b49c809c688aa8e257b5b30394774ceb67196c58b5c047f74ec652b6cb9fbb5bcaca0867725fd1bf8dc79cc739a6546e4d0ea201aebb5f1459495ebdfbe88d1
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jma//2uFrSc:mfYOX+wTScR/Xzku9LVwtuG

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/1240-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr
behavioral1/memory/1240-2-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	1240	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 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73bdd23744f9811dfec428acaefe85e7dc02f0eacdab677c58186d4a342c098c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73bdd23744f9811dfec428acaefe85e7dc02f0eacdab677c58186d4a342c098c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 220
    3⤵
    - Program crash
    PID:3032

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

Replay Monitor

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Downloads

memory/1240-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/1240-2-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/1240-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download