dridex | b4c640d0b791ca90e10a1083a50d1cc642f86844c5b3e279eca9d095a58accc1

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 16:29

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General

Target

JaffaCakes118_b0be602dc179f29a3fa0de4ee04cc1da.dll
Size

608KB
MD5

b0be602dc179f29a3fa0de4ee04cc1da
SHA1

c1807fb5aa6e0941b201b38bf59663ce66bf2e38
SHA256

b4c640d0b791ca90e10a1083a50d1cc642f86844c5b3e279eca9d095a58accc1
SHA512

d4bf8a438ca0864020ffaef449b81cee9175691cd5cf588d84203b30a8bed579e6e3aba9bb7425102457aceb9ce2ad80cf0227646a473242a07725bfb6982b2e
SSDEEP

12288:lZGQdqOGSGJqydLqQSeCqsVK8kPRGO35N9mVyzXc6:lZ0lWjeCVVK8kP9N9o2

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	2200	rundll32.exe
7	2200	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 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31
PID 2772 wrote to memory of 2200	2772	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0be602dc179f29a3fa0de4ee04cc1da.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0be602dc179f29a3fa0de4ee04cc1da.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2200

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/2200-1-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download
memory/2200-2-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download
memory/2200-3-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download
memory/2200-6-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download
memory/2200-5-0x00000000004B4000-0x00000000004BA000-memory.dmp

Filesize
24KB

Download
memory/2200-7-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download
memory/2200-12-0x0000000000420000-0x0000000000554000-memory.dmp

Filesize
1.2MB

Download