dridex | 729e20a45a0dd78d386d4908baaebf27ca980f8e373023ed36e52e00f7dbe597

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
30/12/2024, 04:51

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General

Target

JaffaCakes118_729e20a45a0dd78d386d4908baaebf27ca980f8e373023ed36e52e00f7dbe597.dll
Size

161KB
MD5

5ea70ce3f4db9d5cebf83160812d09b3
SHA1

ce6fdb9672daed8589c1cedbb954a4efb2cffbb6
SHA256

729e20a45a0dd78d386d4908baaebf27ca980f8e373023ed36e52e00f7dbe597
SHA512

aff5c28a00b2e443bfe6633fb262c0c35b154055ea45c1686064755e2607502f2e91576dc4d79f28058c3d2ef52a8cdf45c8061598ea8f2cc57ad6a40d1086da
SSDEEP

3072:cx45bscWrhftr4SOX63M5jY17lh9sDVj9a/KBz9YlYU:K4KcMhVkbK3hDq9E8i

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

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
behavioral1/memory/2988-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2988-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	2988	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 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2860 wrote to memory of 2988	2860	rundll32.exe	30
PID 2988 wrote to memory of 2312	2988	rundll32.exe	32
PID 2988 wrote to memory of 2312	2988	rundll32.exe	32
PID 2988 wrote to memory of 2312	2988	rundll32.exe	32
PID 2988 wrote to memory of 2312	2988	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_729e20a45a0dd78d386d4908baaebf27ca980f8e373023ed36e52e00f7dbe597.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_729e20a45a0dd78d386d4908baaebf27ca980f8e373023ed36e52e00f7dbe597.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 256
    3⤵
    - Program crash
    PID:2312

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/2988-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2988-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2988-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2988-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download