dridex | dd039d55d658e7357258ae1ba1812f0a69bfbe52cffbfcb3bd940a8bd6745672

Analysis

max time kernel
90s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:42

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General

Target

JaffaCakes118_dd039d55d658e7357258ae1ba1812f0a69bfbe52cffbfcb3bd940a8bd6745672.dll
Size

204KB
MD5

20cc6cbc145b781c177280aa308ec42e
SHA1

f53716aecc8fc31f26e4a5baf1e94d4d8215c077
SHA256

dd039d55d658e7357258ae1ba1812f0a69bfbe52cffbfcb3bd940a8bd6745672
SHA512

64319c5a3b8d10906019f29892fa7529ac4470ea177775088aeb78e502eb195e72aa45cb814d1ccac33d74b90b5bfd94a66fefb46f72b43a39b784b06960f3b8
SSDEEP

3072:b6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:bZuX6pEaeEDheWa+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/1688-0-0x0000000074660000-0x0000000074695000-memory.dmp	dridex_ldr
behavioral1/memory/1688-3-0x0000000074660000-0x0000000074695000-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 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30
PID 2548 wrote to memory of 1688	2548	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dd039d55d658e7357258ae1ba1812f0a69bfbe52cffbfcb3bd940a8bd6745672.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dd039d55d658e7357258ae1ba1812f0a69bfbe52cffbfcb3bd940a8bd6745672.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/1688-0-0x0000000074660000-0x0000000074695000-memory.dmp

Filesize
212KB

Download
memory/1688-2-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1688-3-0x0000000074660000-0x0000000074695000-memory.dmp

Filesize
212KB

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