dridex | ee341d5853e21ce08a4d4188b9c8e0cda36af402fa0692eb98bc92b17abf492e

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 15:34

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General

Target

424a877b0d323565a51b934d47fba2d5_JaffaCakes118.dll
Size

168KB
MD5

424a877b0d323565a51b934d47fba2d5
SHA1

b2f3471012475ea358ccb26730445e3940886c1c
SHA256

ee341d5853e21ce08a4d4188b9c8e0cda36af402fa0692eb98bc92b17abf492e
SHA512

dc73edd18dc8901fdc8a48129477d04d407387fab745101f0e96d4abbc9c8723f8a6709ef2949a4b0f3e5945c5475dce49c82c84fb448d8a479be47df5fbf919
SSDEEP

3072:c+rGFFRCMcyzAAykMPqIaXpZYnvf3gx4wblxLSoIm/H2QKGB2gC:c+rGFFlXAAcqj8nHgfOoIdG

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

173.203.78.138:443

217.160.107.189:6601

77.220.64.150:5037

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2696-0-0x0000000075430000-0x000000007545C000-memory.dmp	dridex_ldr
behavioral1/memory/2696-2-0x0000000075430000-0x000000007545C000-memory.dmp	dridex_ldr
behavioral1/memory/2696-7-0x0000000075430000-0x000000007545C000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2696	rundll32.exe
5	2696	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30
PID 1940 wrote to memory of 2696	1940	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\424a877b0d323565a51b934d47fba2d5_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\424a877b0d323565a51b934d47fba2d5_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2696-0-0x0000000075430000-0x000000007545C000-memory.dmp

Filesize
176KB

Download
memory/2696-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2696-2-0x0000000075430000-0x000000007545C000-memory.dmp

Filesize
176KB

Download
memory/2696-7-0x0000000075430000-0x000000007545C000-memory.dmp

Filesize
176KB

Download