dridex | f19b293a1fbaab5a195e4cebaa73e73b5d2ad743dd50119d2d1fef4eab235cef

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-09-2024 16:41

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General

Target

f2683b5b005e0f9bd0376f484e34644b_JaffaCakes118.dll
Size

168KB
MD5

f2683b5b005e0f9bd0376f484e34644b
SHA1

853100badd90198185f6f8f7f071f677b01e2b06
SHA256

f19b293a1fbaab5a195e4cebaa73e73b5d2ad743dd50119d2d1fef4eab235cef
SHA512

f01b26fc129dafbe47c5f53c5d1814ff31848b59a73461de5cf8accf2f7d58cc5942d58c40edabda207b2f81d72753398242da8140a2bcfef2f9e9f937adc293
SSDEEP

3072:G+rGFFRCMcyzAAykMPqIaXpZYnvf3gx4wblxLSoIm/H2QKGB2gC:G+rGFFlXAAcqj8nHgfOoIdG

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

173.203.78.138:443

217.160.107.189:6601

77.220.64.150:5037

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1944-1-0x00000000752B0000-0x00000000752DC000-memory.dmp	dridex_ldr
behavioral1/memory/1944-4-0x00000000752B0000-0x00000000752DC000-memory.dmp	dridex_ldr
behavioral1/memory/1944-8-0x00000000752B0000-0x00000000752DC000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1944	rundll32.exe
7	1944	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 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2683b5b005e0f9bd0376f484e34644b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2683b5b005e0f9bd0376f484e34644b_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1944

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/1944-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1944-1-0x00000000752B0000-0x00000000752DC000-memory.dmp

Filesize
176KB

Download
memory/1944-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1944-4-0x00000000752B0000-0x00000000752DC000-memory.dmp

Filesize
176KB

Download
memory/1944-8-0x00000000752B0000-0x00000000752DC000-memory.dmp

Filesize
176KB

Download