dridex | ff3a35ebb7a529054539464c438c1ac920647e55dac7e8f853cf33c2bfc6da7b

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 09:40

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General

Target

be536247ecfde74a90f9f41ed376736d_JaffaCakes118.dll
Size

784KB
MD5

be536247ecfde74a90f9f41ed376736d
SHA1

e3c0195fcbce731754ad07f1180a80779d9a0b35
SHA256

ff3a35ebb7a529054539464c438c1ac920647e55dac7e8f853cf33c2bfc6da7b
SHA512

e753ddd34acc8628a81f4b855b2828f8f235166ca211597727220085ad0889f8df60774e2fad295c86228f5207b862d72eec1ee0b2f6f2a3e0ec5c45894de68c
SSDEEP

12288:KH2Ijy7t9KVRxsYFPRSo5XkBCLu+PY1iqTrGaFhnt/vqqBhf54MOFNkSr:KH2Cgt9eDpSxP1iqTzVSqBv5OFx

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

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 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	1796	rundll32.exe
5	1796	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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30
PID 1892 wrote to memory of 1796	1892	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be536247ecfde74a90f9f41ed376736d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be536247ecfde74a90f9f41ed376736d_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1796

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/1796-0-0x00000000746F2000-0x00000000746F6000-memory.dmp

Filesize
16KB

Download
memory/1796-1-0x0000000074630000-0x000000007474E000-memory.dmp

Filesize
1.1MB

Download
memory/1796-3-0x0000000074630000-0x000000007474E000-memory.dmp

Filesize
1.1MB

Download
memory/1796-4-0x00000000746F2000-0x00000000746F6000-memory.dmp

Filesize
16KB

Download
memory/1796-5-0x0000000074630000-0x000000007474E000-memory.dmp

Filesize
1.1MB

Download