dridex | a3b81ff31873408306feef3af0119331d6915f65c4ebe24d5e4d4f11a34ede49

Analysis

max time kernel
90s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2024, 20:37

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General

Target

JaffaCakes118_a3b81ff31873408306feef3af0119331d6915f65c4ebe24d5e4d4f11a34ede49.dll
Size

160KB
MD5

903573c2d73a130311db9c78fa1974f1
SHA1

1b09c25e66dc0a482cbeac79f44a05f1110d514e
SHA256

a3b81ff31873408306feef3af0119331d6915f65c4ebe24d5e4d4f11a34ede49
SHA512

5f5fdbb953af3278cbfa08077f72504717ca463c911fce89758767854f250f439d0168abaee8003191906527008ef9668128cf1752a135d8020f81a2d9dda2e8
SSDEEP

3072:AxT2d85tleLD51fC5AHYEoefukoTFMpGmjY8D:hy5tAL11fNHYafoMpX

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4880-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral2/memory/4880-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

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 1208 wrote to memory of 4880	1208	rundll32.exe	82
PID 1208 wrote to memory of 4880	1208	rundll32.exe	82
PID 1208 wrote to memory of 4880	1208	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3b81ff31873408306feef3af0119331d6915f65c4ebe24d5e4d4f11a34ede49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3b81ff31873408306feef3af0119331d6915f65c4ebe24d5e4d4f11a34ede49.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/4880-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4880-2-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/4880-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download