dridex | 77ef6584ef6d7b0b03f080548ed6f182eab7213e3d38faaeca87dfaab3bdfb45

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:42

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General

Target

JaffaCakes118_77ef6584ef6d7b0b03f080548ed6f182eab7213e3d38faaeca87dfaab3bdfb45.dll
Size

161KB
MD5

29713ca5b5443001c714b6bda6303439
SHA1

c00d8b1fb855a6ff7f40f2a01e72c201400ea0e9
SHA256

77ef6584ef6d7b0b03f080548ed6f182eab7213e3d38faaeca87dfaab3bdfb45
SHA512

8ead7cc20ab4179260e0da7f43048c4dde2fd9fd57a5d1fea304e4135103e50821107fea6d8ce16bfa5c6a2d8481f3db61e71ba9cb54b254d0f3582d4fbd0ea8
SSDEEP

3072:nOSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2uGkFY:OnS62Fl+pkeJl3CvRStrFl+EYL

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2888-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2888-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2248	2888	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 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2884 wrote to memory of 2888	2884	rundll32.exe	30
PID 2888 wrote to memory of 2248	2888	rundll32.exe	31
PID 2888 wrote to memory of 2248	2888	rundll32.exe	31
PID 2888 wrote to memory of 2248	2888	rundll32.exe	31
PID 2888 wrote to memory of 2248	2888	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ef6584ef6d7b0b03f080548ed6f182eab7213e3d38faaeca87dfaab3bdfb45.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ef6584ef6d7b0b03f080548ed6f182eab7213e3d38faaeca87dfaab3bdfb45.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 256
    3⤵
    - Program crash
    PID:2248

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/2888-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2888-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2888-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download