dridex | 8124532b9d115a47b663cb1af48995586d5e4543732a51ca681d03e77032a8d0

Analysis

max time kernel
111s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 07:04

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General

Target

2934381048b2f966b308896d6edb5120N.dll
Size

184KB
MD5

2934381048b2f966b308896d6edb5120
SHA1

d1b395fdea018b16c9892e08dc1676f29d88ddfd
SHA256

8124532b9d115a47b663cb1af48995586d5e4543732a51ca681d03e77032a8d0
SHA512

4a16fb125523049bf6417ef3ca5e363c8ac154df364892384fa95b4dc10e0344a5e782f5218142bdef161daf7c17327d9ec1e856699b480c82a270a735e2bd4b
SSDEEP

3072:7uwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Kalmsb:57TXYsd9SkONU1jKGl5lm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2128-0-0x00000000749F0000-0x0000000074A20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2768	2128	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 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2228 wrote to memory of 2128	2228	rundll32.exe	30
PID 2128 wrote to memory of 2768	2128	rundll32.exe	31
PID 2128 wrote to memory of 2768	2128	rundll32.exe	31
PID 2128 wrote to memory of 2768	2128	rundll32.exe	31
PID 2128 wrote to memory of 2768	2128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2934381048b2f966b308896d6edb5120N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2934381048b2f966b308896d6edb5120N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 220
    3⤵
    - Program crash
    PID:2768

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/2128-0-0x00000000749F0000-0x0000000074A20000-memory.dmp

Filesize
192KB

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memory/2128-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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