dridex | a3327abaa44677a05c8ad0372b2df40c583f3d3850f1efbd092b6125f5276812

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 12:47

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General

Target

JaffaCakes118_a3327abaa44677a05c8ad0372b2df40c583f3d3850f1efbd092b6125f5276812.dll
Size

184KB
MD5

27752d458c04bf426ddbd3e49485ff98
SHA1

e0852bf27fc1b61bd4eb0d15d286dfe2afc30c73
SHA256

a3327abaa44677a05c8ad0372b2df40c583f3d3850f1efbd092b6125f5276812
SHA512

c91841b767f51d282e24b68677e632e5dfb2df766dfc30c1821bd809d7202bb7bd0cedaf06447ae8fb4201469ea72b002c9e6d5ca16f876ad989cf3cd14c268e
SSDEEP

3072:diLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoZlzoxss7:diLVCIT4WK2z1W+CUHZj4Skq/eaoHoC

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/1552-1-0x0000000074B90000-0x0000000074BBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	1552	WerFault.exe	31

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 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 2304 wrote to memory of 1552	2304	rundll32.exe	31
PID 1552 wrote to memory of 2712	1552	rundll32.exe	32
PID 1552 wrote to memory of 2712	1552	rundll32.exe	32
PID 1552 wrote to memory of 2712	1552	rundll32.exe	32
PID 1552 wrote to memory of 2712	1552	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3327abaa44677a05c8ad0372b2df40c583f3d3850f1efbd092b6125f5276812.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3327abaa44677a05c8ad0372b2df40c583f3d3850f1efbd092b6125f5276812.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 224
    3⤵
    - Program crash
    PID:2712

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/1552-0-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1552-1-0x0000000074B90000-0x0000000074BBF000-memory.dmp

Filesize
188KB

Download
memory/1552-3-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download