dridex | 6be8b6682317689d5f502805f34c96fa9487400df1c69bdc377837c3b90ee37c

Analysis

max time kernel
134s
max time network
135s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 09:22

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General

Target

617e1c5ceffdf4c2ec78c281c3372236_JaffaCakes118.dll
Size

539KB
MD5

617e1c5ceffdf4c2ec78c281c3372236
SHA1

2cc5128182edb63db5caf362d71fdb6341120631
SHA256

6be8b6682317689d5f502805f34c96fa9487400df1c69bdc377837c3b90ee37c
SHA512

974584c9ab0a6bb7f4d6c7668dbf80652c08371413d249637b12e1296cc31496c05db86133e857ba64cd3d6bef05c62886f39123e6824224a2dcbf900e5dbbfe
SSDEEP

6144:6kF19P2yLnafTR93YBgobwN+5AxtyTCjzVm8Ntk8IgJ0gK:6kFne883YdbY+5QyTE1tktyd

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

3 2688 rundll32.exe
5 2688 rundll32.exe
6 2688 rundll32.exe
7 2688 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

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

flow	pid	process
3	2688	rundll32.exe
5	2688	rundll32.exe
6	2688	rundll32.exe
7	2688	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe
PID 2196 wrote to memory of 2688	2196	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\617e1c5ceffdf4c2ec78c281c3372236_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\617e1c5ceffdf4c2ec78c281c3372236_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2688

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/2688-2-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2688-3-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2688-1-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2688-0-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2688-4-0x00000000002C0000-0x000000000033C000-memory.dmp

Filesize
496KB

Download
memory/2688-5-0x0000000000440000-0x000000000047D000-memory.dmp

Filesize
244KB

Download
memory/2688-6-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/2688-7-0x0000000000440000-0x000000000047D000-memory.dmp

Filesize
244KB

Download