dridex | c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:15

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General

Target

c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll
Size

162KB
MD5

50dc3508e5d16deb993e7632ca1a9ad7
SHA1

9e192ea5a2da62f65807cd51b00f4dd47c7e412a
SHA256

c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b
SHA512

71a839b58620087a13d0805479eb68196bd03736b403207034f75e2e782db141c646363df49c2ced3f382955edb4b2d63de9ecb5ad295178e7cc555edcdc435a
SSDEEP

3072:3esl4+VdlY+01jb5SA5hg9PTEfPa1x+pq0KbuFicLJL:74+VZQpt5hyPsa1ekiEyL

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

203.114.109.124:443

82.165.145.100:6601

94.177.255.18:8172

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1832-0-0x0000000010000000-0x000000001002D000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2112	1832	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 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1636 wrote to memory of 1832	1636	rundll32.exe	30
PID 1832 wrote to memory of 2112	1832	rundll32.exe	32
PID 1832 wrote to memory of 2112	1832	rundll32.exe	32
PID 1832 wrote to memory of 2112	1832	rundll32.exe	32
PID 1832 wrote to memory of 2112	1832	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c940da1e089c4e0dedc2c42d47a33b465982a720eb3d0d717bbd14c82ad98e8b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 256
    3⤵
    - Program crash
    PID:2112

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/1832-0-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

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memory/1832-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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