dridex | aea0017ff255055f33deb94bb89f7f0ebbb02fc055e097b9c1c1153df89781f0

Analysis

max time kernel
94s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:07

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General

Target

JaffaCakes118_aea0017ff255055f33deb94bb89f7f0ebbb02fc055e097b9c1c1153df89781f0.dll
Size

204KB
MD5

40e7aa62cd6d52e20cb9b6608a4c4da2
SHA1

329978a9563a7e4e2bc1222546159d3c346e966a
SHA256

aea0017ff255055f33deb94bb89f7f0ebbb02fc055e097b9c1c1153df89781f0
SHA512

02e125325ec90e169c6f97c4c95baa785091ab4f316ee3671d707de6b657f70a3fc5bf40ea17e0e7da5c27abfb049fe3665ed3bb0aca39e03a89885a2ac16d59
SSDEEP

3072:Z6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:ZZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/2372-1-0x0000000075280000-0x00000000752B5000-memory.dmp	dridex_ldr
behavioral1/memory/2372-3-0x0000000075280000-0x00000000752B5000-memory.dmp	dridex_ldr

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

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 7 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31
PID 2332 wrote to memory of 2372	2332	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea0017ff255055f33deb94bb89f7f0ebbb02fc055e097b9c1c1153df89781f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aea0017ff255055f33deb94bb89f7f0ebbb02fc055e097b9c1c1153df89781f0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2372-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2372-1-0x0000000075280000-0x00000000752B5000-memory.dmp

Filesize
212KB

Download
memory/2372-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2372-3-0x0000000075280000-0x00000000752B5000-memory.dmp

Filesize
212KB

Download