dridex | 3391f266ecea6f5fe101269bb944ab7a4d79be9f3d2da0823b839ca485ff984f

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 09:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a1f4078589c2b67b659538fa40653e15_JaffaCakes118.dll
Size 920KB
Sample240817-k2md2a1brk
SHA256 3391f266ecea6f5fe101269bb944ab7a4d79be9f3d2da0823b839ca485ff984f
MD5 a1f4078589c2b67b659538fa40653e15
SHA1 caa591189d4604d5366462a16c6fc0f8232ff9a9
SHA512 e8b1980ac65f91ca9d4ecda670fb1e04b0b4c7f4af558dc74b0662414138026da015fe85efea93653963aa19cdc0c00150ef01fab51ef730504ebf3af4ae4c58
SSDEEP 24576:WDWfnaVoffEQmyO378WTkvEKT9Hgce1BHbo+Cm:Cuaq34yDWTkvvT9Hgdbo+C
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

flow	pid	Process
33	2116	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 3 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 2116	4216	rundll32.exe	84
PID 4216 wrote to memory of 2116	4216	rundll32.exe	84
PID 4216 wrote to memory of 2116	4216	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1f4078589c2b67b659538fa40653e15_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1f4078589c2b67b659538fa40653e15_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2116

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

Loading Replay Monitor...

Downloads

memory/2116-0-0x00000000748F5000-0x00000000748F9000-memory.dmp

Download

memory/2116-1-0x0000000074810000-0x0000000074951000-memory.dmp

Download

memory/2116-3-0x0000000074810000-0x0000000074951000-memory.dmp

Download

memory/2116-4-0x0000000074810000-0x0000000074951000-memory.dmp

Download

memory/2116-5-0x00000000748F5000-0x00000000748F9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads