dridex | 81824cf64f13fe0a514ad1ecd1d06e48575a27d49ffe0903bde66a21320c5572

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 07:51

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General

Target

JaffaCakes118_81824cf64f13fe0a514ad1ecd1d06e48575a27d49ffe0903bde66a21320c5572.dll
Size

184KB
MD5

72ed1b6fcfcd2cd34382fc89737a3cb7
SHA1

f45993e3c90b53b28c25d10480ae731d9fcd99a6
SHA256

81824cf64f13fe0a514ad1ecd1d06e48575a27d49ffe0903bde66a21320c5572
SHA512

8cff86bedbb98f1bf5fe157e7957b4146340e1c33a8522260a3bf597c2cb78494d554ea11e2ef8bad09e3ddd4ddfea4148e7938eb771c1ffefafb7128ee1e10a
SSDEEP

3072:ziLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao7lzoxss7:ziLVCIT4WK2z1W+CUHZj4Skq/eaoBoC

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/3032-1-0x0000000074DF0000-0x0000000074E1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	3032	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 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 2236 wrote to memory of 3032	2236	rundll32.exe	30
PID 3032 wrote to memory of 2752	3032	rundll32.exe	31
PID 3032 wrote to memory of 2752	3032	rundll32.exe	31
PID 3032 wrote to memory of 2752	3032	rundll32.exe	31
PID 3032 wrote to memory of 2752	3032	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81824cf64f13fe0a514ad1ecd1d06e48575a27d49ffe0903bde66a21320c5572.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81824cf64f13fe0a514ad1ecd1d06e48575a27d49ffe0903bde66a21320c5572.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 220
    3⤵
    - Program crash
    PID:2752

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/3032-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/3032-1-0x0000000074DF0000-0x0000000074E1F000-memory.dmp

Filesize
188KB

Download
memory/3032-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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