dridex | 4b9d738f062ba82dbfd1b5fefc90560baa07a002621aeb38df63159a709aad20

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 18:13

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General

Target

JaffaCakes118_b5f38c710853449f85cf42ec727c87ae.dll
Size

608KB
MD5

b5f38c710853449f85cf42ec727c87ae
SHA1

9a197253a042e9c420185dc371e03d4b67926cc1
SHA256

4b9d738f062ba82dbfd1b5fefc90560baa07a002621aeb38df63159a709aad20
SHA512

1ab182e09baec93b722f57505a1b539add3822348ec1caccb47785546a92013b5f5bacc3ca8a2d942f8d533a6ea51ac833a7991d370aae35c560634fb3e4146b
SSDEEP

12288:kZGQdqOGH3JqydLqQSeCqsVK8kPRGO35N9mVXzXc6:kZ0vWjeCVVK8kP9N9oj

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	1768	rundll32.exe
7	1768	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 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30
PID 1836 wrote to memory of 1768	1836	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5f38c710853449f85cf42ec727c87ae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5f38c710853449f85cf42ec727c87ae.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1768

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

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Downloads

memory/1768-0-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download
memory/1768-2-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download
memory/1768-3-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download
memory/1768-6-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download
memory/1768-5-0x00000000009F4000-0x00000000009FA000-memory.dmp

Filesize
24KB

Download
memory/1768-7-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download
memory/1768-12-0x0000000000960000-0x0000000000A94000-memory.dmp

Filesize
1.2MB

Download