dridex | a7ff814f27fd218c96aae0ac55370b5a1ff68c033091fecb3d06e0a534880848

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 19:12

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General

Target

JaffaCakes118_a7ff814f27fd218c96aae0ac55370b5a1ff68c033091fecb3d06e0a534880848.dll
Size

184KB
MD5

5bb6ac822ec09e56adc4bc2696094bbd
SHA1

3a3712328ae7583d03a27571796dec6eb939c83f
SHA256

a7ff814f27fd218c96aae0ac55370b5a1ff68c033091fecb3d06e0a534880848
SHA512

9942540fb514e696f1ac18156964954a70447a5802a3a006ec513a3c2dd9e4cf978587f7903cfb4290878412912531d5af4aab3489bd367f0d3aba66772fcaa8
SSDEEP

3072:riLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaowlzoxss7:riLVCIT4WK2z1W+CUHZj4Skq/eaoOoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1128-0-0x00000000748D0000-0x00000000748FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2424	1128	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 3028 wrote to memory of 1128	3028	rundll32.exe	30
PID 1128 wrote to memory of 2424	1128	rundll32.exe	32
PID 1128 wrote to memory of 2424	1128	rundll32.exe	32
PID 1128 wrote to memory of 2424	1128	rundll32.exe	32
PID 1128 wrote to memory of 2424	1128	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7ff814f27fd218c96aae0ac55370b5a1ff68c033091fecb3d06e0a534880848.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7ff814f27fd218c96aae0ac55370b5a1ff68c033091fecb3d06e0a534880848.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 220
    3⤵
    - Program crash
    PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1128-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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memory/1128-0-0x00000000748D0000-0x00000000748FF000-memory.dmp

Filesize
188KB

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