dridex | 1750ffb44ea3f46008b477fe4c498da812cd00d8cad66389cf1eae69d643a9ed

Analysis

max time kernel
55s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:17

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General

Target

JaffaCakes118_1750ffb44ea3f46008b477fe4c498da812cd00d8cad66389cf1eae69d643a9ed.dll
Size

204KB
MD5

f64738d75eed31f45751b889c99c2b7c
SHA1

43a51fb938406c0b0e41715ca46710318f8480a8
SHA256

1750ffb44ea3f46008b477fe4c498da812cd00d8cad66389cf1eae69d643a9ed
SHA512

555b008832efc8b6e50b2096303b1bc49594e14a71e6e550e16d3de7e0727ca236c1d008afeed84d2802e71d126699a0cb4ad2395a90cdf3f743924ebafc7c30
SSDEEP

3072:R6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:RZuX6pEaeEDheWa+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/1688-0-0x00000000750D0000-0x0000000075105000-memory.dmp	dridex_ldr
behavioral1/memory/1688-3-0x00000000750D0000-0x0000000075105000-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 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30
PID 2188 wrote to memory of 1688	2188	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1750ffb44ea3f46008b477fe4c498da812cd00d8cad66389cf1eae69d643a9ed.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1750ffb44ea3f46008b477fe4c498da812cd00d8cad66389cf1eae69d643a9ed.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1688

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/1688-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1688-0-0x00000000750D0000-0x0000000075105000-memory.dmp

Filesize
212KB

Download
memory/1688-3-0x00000000750D0000-0x0000000075105000-memory.dmp

Filesize
212KB

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