dridex | 534bf6f28890a7989b60aa63a07821cd7b6bf310ae0d3d3eb35168fc9826acfa

Analysis

max time kernel
70s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 17:52

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General

Target

JaffaCakes118_534bf6f28890a7989b60aa63a07821cd7b6bf310ae0d3d3eb35168fc9826acfa.dll
Size

204KB
MD5

348daeac1912190013d467395bf6f299
SHA1

286b8fdd5a33b0419649ecc5bf34356711783979
SHA256

534bf6f28890a7989b60aa63a07821cd7b6bf310ae0d3d3eb35168fc9826acfa
SHA512

ebcbc52b198e09670b6df5208bf6a3c8e379a531bd1c86ddf8bc680c0887d22089ff8732193fc28bb8c3bb53af84d0a64a37f03ac7f626675b4ee817e8292c40
SSDEEP

3072:g6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:gZuX6pEaeEDheWa+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/2556-1-0x00000000749C0000-0x00000000749F5000-memory.dmp	dridex_ldr
behavioral1/memory/2556-2-0x00000000749C0000-0x00000000749F5000-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 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30
PID 2100 wrote to memory of 2556	2100	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_534bf6f28890a7989b60aa63a07821cd7b6bf310ae0d3d3eb35168fc9826acfa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_534bf6f28890a7989b60aa63a07821cd7b6bf310ae0d3d3eb35168fc9826acfa.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2556

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

Replay Monitor

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Downloads

memory/2556-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2556-1-0x00000000749C0000-0x00000000749F5000-memory.dmp

Filesize
212KB

Download
memory/2556-2-0x00000000749C0000-0x00000000749F5000-memory.dmp

Filesize
212KB

Download
memory/2556-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download