dridex | 4ededeae28a401eb931a868c861075ec5478002ecfff635752f6b834fb9a5598

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 09:30

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General

Target

59943af2c4e0f82a9e9c6294d3eec440N.dll
Size

184KB
MD5

59943af2c4e0f82a9e9c6294d3eec440
SHA1

25ec68775aca9ade4f49f7ce46640e53a93cc148
SHA256

4ededeae28a401eb931a868c861075ec5478002ecfff635752f6b834fb9a5598
SHA512

9ba83c825a5894eb04ade8494c88d7822376ecde93d6fc15f9c2d3c16b672a6c9692ce8c6697d83097163d54560af7569b8add08978a7b293a5eff82fb95b0b6
SSDEEP

3072:EJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jjfa//2uFrSc:pfYOX+wTScR/Xzku9LVw96uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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

resource	yara_rule
behavioral1/memory/2984-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr
behavioral1/memory/2984-2-0x0000000074B50000-0x0000000074B7F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2224	2984	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 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2964 wrote to memory of 2984	2964	rundll32.exe	30
PID 2984 wrote to memory of 2224	2984	rundll32.exe	31
PID 2984 wrote to memory of 2224	2984	rundll32.exe	31
PID 2984 wrote to memory of 2224	2984	rundll32.exe	31
PID 2984 wrote to memory of 2224	2984	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59943af2c4e0f82a9e9c6294d3eec440N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\59943af2c4e0f82a9e9c6294d3eec440N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 220
    3⤵
    - Program crash
    PID:2224

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/2984-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2984-1-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

Download
memory/2984-2-0x0000000074B50000-0x0000000074B7F000-memory.dmp

Filesize
188KB

Download
memory/2984-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download