dridex | 81a7c20ce4a171cd9634a4cb9eb8be82c631ff3b3b53a1fbabb45a9452e97bcd

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 13:11

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General

Target

JaffaCakes118_81a7c20ce4a171cd9634a4cb9eb8be82c631ff3b3b53a1fbabb45a9452e97bcd.dll
Size

161KB
MD5

3244b4e2670552af04640163ded502b8
SHA1

10c5640d689759e6f04cd7f744990b7a11345884
SHA256

81a7c20ce4a171cd9634a4cb9eb8be82c631ff3b3b53a1fbabb45a9452e97bcd
SHA512

e8c723b7eb238686cfb911bb3d12c47023340c510b6bee4d1048d2ac5e513d7adc1cc210152f1adbb96bbc5debee075dbc4a87f1a7dfa1d5f266de2871f1a63d
SSDEEP

3072:KgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:xnS62Fl+pkeJl3CvRStrFl+EYM

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/3012-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3012-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	3012	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 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 2664 wrote to memory of 3012	2664	rundll32.exe	30
PID 3012 wrote to memory of 2768	3012	rundll32.exe	31
PID 3012 wrote to memory of 2768	3012	rundll32.exe	31
PID 3012 wrote to memory of 2768	3012	rundll32.exe	31
PID 3012 wrote to memory of 2768	3012	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81a7c20ce4a171cd9634a4cb9eb8be82c631ff3b3b53a1fbabb45a9452e97bcd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81a7c20ce4a171cd9634a4cb9eb8be82c631ff3b3b53a1fbabb45a9452e97bcd.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 256
    3⤵
    - Program crash
    PID:2768

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/3012-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3012-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3012-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3012-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download