dridex | de81f923ca4c12378688a8e26fbb0ec11d69d35f509cff7815fd3d4bc9bb0f59

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 12:47

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General

Target

fe8f4b38ff583c42c615696097e1c196_JaffaCakes118.dll
Size

920KB
MD5

fe8f4b38ff583c42c615696097e1c196
SHA1

74bc398220c83191c8bb493ce30acd4400917d66
SHA256

de81f923ca4c12378688a8e26fbb0ec11d69d35f509cff7815fd3d4bc9bb0f59
SHA512

aedb1cfb2f81c1c0c193827673d8b6b067699c115c9d00be6fa68ef8e336d7dcb7cdaf234854f01aaa106d8b4bef61d3fb8923a7176fbe66c06a4ad78eae2c8a
SSDEEP

24576:EfWfnaVoffEQmyO378WTkvEKT9Hgce1BHbowCm:Euaq34yDWTkvvT9HgdbowC

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	264	rundll32.exe
5	264	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 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8f4b38ff583c42c615696097e1c196_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8f4b38ff583c42c615696097e1c196_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:264

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/264-0-0x0000000075255000-0x0000000075259000-memory.dmp

Filesize
16KB

Download
memory/264-3-0x0000000075170000-0x00000000752B1000-memory.dmp

Filesize
1.3MB

Download
memory/264-1-0x0000000075170000-0x00000000752B1000-memory.dmp

Filesize
1.3MB

Download
memory/264-4-0x0000000075170000-0x00000000752B1000-memory.dmp

Filesize
1.3MB

Download
memory/264-5-0x0000000075255000-0x0000000075259000-memory.dmp

Filesize
16KB

Download
memory/264-6-0x0000000075170000-0x00000000752B1000-memory.dmp

Filesize
1.3MB

Download