dridex | efdb8fbf8b3c622e9a22daf5f0cae93abdd0f49067c1c5f09185d4ce495088d9

Analysis

max time kernel
140s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 11:29

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General

Target

JaffaCakes118_e3158668cf2a42e8c61e71a28a289d69.dll
Size

608KB
MD5

e3158668cf2a42e8c61e71a28a289d69
SHA1

c1cf4a1bf2bf15c42ad5bdd1688c21dcd9e41ca6
SHA256

efdb8fbf8b3c622e9a22daf5f0cae93abdd0f49067c1c5f09185d4ce495088d9
SHA512

8fe6a0ea0cf2c66a476f81d32069972ffa95d101fb721bf71c8013d53e1b3a26d5766314192837d694b2f8280dd618a97568f622b323dd66815ca0e52289b9f7
SSDEEP

12288:4ZGQdqOG+8JqydLqQSeCqsVK8kPRGO35N9mV8zXc6Z:4Z0HWjeCVVK8kP9N9oQf

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	1832	rundll32.exe
5	1832	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 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31
PID 2096 wrote to memory of 1832	2096	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3158668cf2a42e8c61e71a28a289d69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e3158668cf2a42e8c61e71a28a289d69.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1832

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/1832-0-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download
memory/1832-5-0x0000000000C04000-0x0000000000C0A000-memory.dmp

Filesize
24KB

Download
memory/1832-6-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download
memory/1832-3-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download
memory/1832-2-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download
memory/1832-7-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download
memory/1832-12-0x0000000000B70000-0x0000000000CA4000-memory.dmp

Filesize
1.2MB

Download