dridex | 7e42753224dbf7454c640f36626f0b8fd00bfb7c9d805d6b1631b0f5ea60d9c3

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 13:20

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General

Target

JaffaCakes118_a1a3b946075a3489c8818faed0aca96c.dll
Size

608KB
MD5

a1a3b946075a3489c8818faed0aca96c
SHA1

157f31f3d59feeef8bb831020b64080d4b6d7caf
SHA256

7e42753224dbf7454c640f36626f0b8fd00bfb7c9d805d6b1631b0f5ea60d9c3
SHA512

be938eb5a0856abafea1c69fa7be71533bcaae6a65c45cd5196ca7b7404275e54a20bd7f6f3bbc296c44fab7836affb58193f132d1d4ff843a460e3293072a87
SSDEEP

12288:xZGQdqOGQ8JqydLqQSeCqsVK8kPRGO35N9mVEzXc6:xZ0ZWjeCVVK8kP9N9oI

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1248	rundll32.exe
7	1248	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31
PID 2336 wrote to memory of 1248	2336	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1a3b946075a3489c8818faed0aca96c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a1a3b946075a3489c8818faed0aca96c.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/1248-0-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download
memory/1248-5-0x0000000001F14000-0x0000000001F1A000-memory.dmp

Filesize
24KB

Download
memory/1248-6-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download
memory/1248-3-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download
memory/1248-2-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download
memory/1248-7-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download
memory/1248-12-0x0000000001E80000-0x0000000001FB4000-memory.dmp

Filesize
1.2MB

Download