dridex | 335b93f2c6c45aee0702f04e2039de965f7403841ebcfceffe5ccc2bab66cc5b

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 02:35

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General

Target

JaffaCakes118_85dfed96598ea3bf23b9ed71fcb2667b.dll
Size

608KB
MD5

85dfed96598ea3bf23b9ed71fcb2667b
SHA1

6b4e3886f41ad068fdd8cba6bb4498b4234e680d
SHA256

335b93f2c6c45aee0702f04e2039de965f7403841ebcfceffe5ccc2bab66cc5b
SHA512

f43fb44d363754e3425b7396d015ba161da0252e662f2510f23adba3142801a93a65c62d676e5fd5f5ea974abd0362d7e42c75bf60dc1ab799b03d7e18c831b6
SSDEEP

12288:BZGQdqOGdTJqydLqQSeCqsVK8kPRGO35N9mVrzXc6:BZ0RWjeCVVK8kP9N9o/

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	2624	rundll32.exe
7	2624	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 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30
PID 2092 wrote to memory of 2624	2092	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85dfed96598ea3bf23b9ed71fcb2667b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85dfed96598ea3bf23b9ed71fcb2667b.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2624

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/2624-0-0x0000000001F00000-0x0000000002034000-memory.dmp

Filesize
1.2MB

Download
memory/2624-3-0x0000000001F00000-0x0000000002034000-memory.dmp

Filesize
1.2MB

Download
memory/2624-2-0x0000000001F00000-0x0000000002034000-memory.dmp

Filesize
1.2MB

Download
memory/2624-5-0x0000000001F94000-0x0000000001F9A000-memory.dmp

Filesize
24KB

Download
memory/2624-6-0x0000000001F00000-0x0000000002034000-memory.dmp

Filesize
1.2MB

Download
memory/2624-11-0x0000000001F00000-0x0000000002034000-memory.dmp

Filesize
1.2MB

Download