dridex | 7db78f2b9bd0440e2a71ed8ba3a1b6fefe75711ae697f5b6b69bfb5a86d0fadc

Analysis

max time kernel
32s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 22:36

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General

Target
7db78f2b9bd0440e2a71ed8ba3a1b6fefe75711ae697f5b6b69bfb5a86d0fadc.dll
Size 162KB
Sample210418-gvd4xyvs4s
SHA256 7db78f2b9bd0440e2a71ed8ba3a1b6fefe75711ae697f5b6b69bfb5a86d0fadc
MD5 e6ed519b226b47675edbd99d1f874edb
SHA1 8d2b7c34cfc463e72906bc9f0ef0fa3a7e188533
SHA512 71b17212387fce0ccb93b3998d0d698500db71fe67731a8c351168736a148e9bad1af5f572d3a7acfa9fcd9cb0e14e568334691951eb2d0eb1f5a952e8cdddb5
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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
behavioral2/memory/1452-115-0x00000000738F0000-0x000000007391E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 1452	856	rundll32.exe	70
PID 856 wrote to memory of 1452	856	rundll32.exe	70
PID 856 wrote to memory of 1452	856	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7db78f2b9bd0440e2a71ed8ba3a1b6fefe75711ae697f5b6b69bfb5a86d0fadc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7db78f2b9bd0440e2a71ed8ba3a1b6fefe75711ae697f5b6b69bfb5a86d0fadc.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1452-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1452-117-0x00000000027F0000-0x00000000027F6000-memory.dmp