dridex | 343f46b7742113d51d1b6431b83d32c3702284fc4c13122c14f9a89854be66c4

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 21:04

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General

Target

343f46b7742113d51d1b6431b83d32c3702284fc4c13122c14f9a89854be66c4.dll
Size

184KB
MD5

47f1e23363834e4d2a2dec2eb17ae757
SHA1

bbd4b671cee2b15977335a1beeb2aa6baff26508
SHA256

343f46b7742113d51d1b6431b83d32c3702284fc4c13122c14f9a89854be66c4
SHA512

f91f835d05bf805e205330118ae2654ef2492de8059932ef52658f505ef0361bbe0518a09d655fc4853c9cf1e44e870c562f3af5c1bfa0f0896bc442253e8e66
SSDEEP

3072:592qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTyrLA:59NSMOEpQ1Q3ODAr+Vm

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2820-0-0x0000000074B60000-0x0000000074B8F000-memory.dmp	dridex_ldr
behavioral1/memory/2820-3-0x0000000074B60000-0x0000000074B8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2716	2820	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2800 wrote to memory of 2820	2800	rundll32.exe	30
PID 2820 wrote to memory of 2716	2820	rundll32.exe	31
PID 2820 wrote to memory of 2716	2820	rundll32.exe	31
PID 2820 wrote to memory of 2716	2820	rundll32.exe	31
PID 2820 wrote to memory of 2716	2820	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\343f46b7742113d51d1b6431b83d32c3702284fc4c13122c14f9a89854be66c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\343f46b7742113d51d1b6431b83d32c3702284fc4c13122c14f9a89854be66c4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 220
    3⤵
    - Program crash
    PID:2716

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

Replay Monitor

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Downloads

memory/2820-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2820-0-0x0000000074B60000-0x0000000074B8F000-memory.dmp

Filesize
188KB

Download
memory/2820-3-0x0000000074B60000-0x0000000074B8F000-memory.dmp

Filesize
188KB

Download