dridex | 27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 15:40

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General

Target

27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll
Size

170KB
MD5

1cb656c7ac7e08e5d50248ca7ee78a98
SHA1

aca2746215df07e753a2c8a3fe0eeac74873c1b3
SHA256

27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6
SHA512

032fb03ec05161cd28bf3cf2162976ccf6014e0cda0904f5115cc12d3402d2d79ef6ea7c6aa9bc782428f13a74714c1cde331cccfedef23d741392aa093dedf2
SSDEEP

3072:rV/jTmL3X6TLhgZBxbvRS1ebSi75S5NNZ4n+whXVM9MWdo8erjy:rV/jTe38LiI4Oi75izyn+4lmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3396-0-0x00000000754E0000-0x000000007550F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4908	3396	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 3396	2040	rundll32.exe	82
PID 2040 wrote to memory of 3396	2040	rundll32.exe	82
PID 2040 wrote to memory of 3396	2040	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 660
    3⤵
    - Program crash
    PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3396 -ip 3396
1⤵
PID:5000

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/3396-0-0x00000000754E0000-0x000000007550F000-memory.dmp

Filesize
188KB

Download
memory/3396-2-0x00007FFA46790000-0x00007FFA46985000-memory.dmp

Filesize
2.0MB

Download