dridex | 90d57659bb7479165315700011b8742b2b140df2e5bdbbdf026c4832ccb5218c

Analysis

max time kernel
111s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 16:13

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General

Target

90d57659bb7479165315700011b8742b2b140df2e5bdbbdf026c4832ccb5218cN.dll
Size

188KB
MD5

be2d1e4667ea3a687ba9fce507e84ad0
SHA1

d096629c6a31fbea58f15c9b416bf4c8d5531c8a
SHA256

90d57659bb7479165315700011b8742b2b140df2e5bdbbdf026c4832ccb5218c
SHA512

4c172cd5c7bc6d18b2ff0ae46eba5a766789411535aaca84e1bba3f4700c4901f2eb7e7f4d966fd38348f04636c48edcb7a9085e6f86a288d02155f2f1b51627
SSDEEP

3072:jteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz/9qM:Lq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/2272-1-0x0000000074620000-0x0000000074650000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2400	2272	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 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2084 wrote to memory of 2272	2084	rundll32.exe	30
PID 2272 wrote to memory of 2400	2272	rundll32.exe	32
PID 2272 wrote to memory of 2400	2272	rundll32.exe	32
PID 2272 wrote to memory of 2400	2272	rundll32.exe	32
PID 2272 wrote to memory of 2400	2272	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\90d57659bb7479165315700011b8742b2b140df2e5bdbbdf026c4832ccb5218cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\90d57659bb7479165315700011b8742b2b140df2e5bdbbdf026c4832ccb5218cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 308
    3⤵
    - Program crash
    PID:2400

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/2272-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2272-1-0x0000000074620000-0x0000000074650000-memory.dmp

Filesize
192KB

Download
memory/2272-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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