dridex | 15cf9b8e4f3d028b74bf38835732a7b7674fff680a1810e11591aba320d5d9e0

Analysis

max time kernel
54s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:23

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General

Target

JaffaCakes118_15cf9b8e4f3d028b74bf38835732a7b7674fff680a1810e11591aba320d5d9e0.dll
Size

204KB
MD5

2b1bb9e802869cb8dd7441c16a489a0e
SHA1

4ddb6985cf570daa8ad44368aabd2a944179f82a
SHA256

15cf9b8e4f3d028b74bf38835732a7b7674fff680a1810e11591aba320d5d9e0
SHA512

14f9800ed8b34ce69c58765040b150203ecc2a7940b93e679ddffc28c12909eb34e31ad644da3669576917aa190510a77433c0b465bb3e2039c4b3046d5e4c4f
SSDEEP

3072:+6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:+ZuX6pEaeEDheWa+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/2312-1-0x0000000075270000-0x00000000752A5000-memory.dmp	dridex_ldr
behavioral1/memory/2312-2-0x0000000075270000-0x00000000752A5000-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 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30
PID 1420 wrote to memory of 2312	1420	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15cf9b8e4f3d028b74bf38835732a7b7674fff680a1810e11591aba320d5d9e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15cf9b8e4f3d028b74bf38835732a7b7674fff680a1810e11591aba320d5d9e0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2312

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/2312-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000075270000-0x00000000752A5000-memory.dmp

Filesize
212KB

Download
memory/2312-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2312-2-0x0000000075270000-0x00000000752A5000-memory.dmp

Filesize
212KB

Download