dridex | 508e074c87016898702c53997d935b2db3ab7b6606b818d6ab5affc4353ecfec

Analysis

max time kernel
124s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 20:27

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General

Target

JaffaCakes118_508e074c87016898702c53997d935b2db3ab7b6606b818d6ab5affc4353ecfec.dll
Size

158KB
MD5

36fd5b11d27ed418bf04d125f9fda41e
SHA1

706cfd5d2f39c3dddf4beeb2b42dc8e25199f020
SHA256

508e074c87016898702c53997d935b2db3ab7b6606b818d6ab5affc4353ecfec
SHA512

9269cc6c214e67c010e3980a97e23c50f15c4b3692610ded2ff6615ed466af05e166a4cf9a59c390740f1b6dd70046ac9eae3b1a3cfed2ffcc02fcf2f3af9cd2
SSDEEP

3072:0iFieJeVDC5PIh/31VeSDH2jW+zsKWncDlRe0PLDt:3eAU/TeSH26cs+7

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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
behavioral2/memory/1256-1-0x0000000075830000-0x000000007585D000-memory.dmp	dridex_ldr
behavioral2/memory/1256-4-0x0000000075830000-0x000000007585D000-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 3 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1256	3352	rundll32.exe	82
PID 3352 wrote to memory of 1256	3352	rundll32.exe	82
PID 3352 wrote to memory of 1256	3352	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_508e074c87016898702c53997d935b2db3ab7b6606b818d6ab5affc4353ecfec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_508e074c87016898702c53997d935b2db3ab7b6606b818d6ab5affc4353ecfec.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1256

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/1256-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x0000000075830000-0x000000007585D000-memory.dmp

Filesize
180KB

Download
memory/1256-3-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x0000000075830000-0x000000007585D000-memory.dmp

Filesize
180KB

Download