dridex | a77085983988b3cc4e70b722d1f5264c20b6c34d58ffddf8b8e22ec309dff4c8

Analysis

max time kernel
52s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 03:46

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General

Target
a77085983988b3cc4e70b722d1f5264c20b6c34d58ffddf8b8e22ec309dff4c8.dll
Size 162KB
Sample210419-3nrd63anve
SHA256 a77085983988b3cc4e70b722d1f5264c20b6c34d58ffddf8b8e22ec309dff4c8
MD5 9b33a7883ace08f72ec90f45ac9905a5
SHA1 de783ef31755ae9274e4c51300354ad19b775389
SHA512 3e7f4f668d868fc225bb6599e80f1076e58d16ec0cdb1db15772c6abd85808bf6370c5ab1fe9216d6c1fa92405121180b04f94ed399cb1b13e602440658010c5
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/748-115-0x0000000073BF0000-0x0000000073C1E000-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 3176 wrote to memory of 748	3176	rundll32.exe	69
PID 3176 wrote to memory of 748	3176	rundll32.exe	69
PID 3176 wrote to memory of 748	3176	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a77085983988b3cc4e70b722d1f5264c20b6c34d58ffddf8b8e22ec309dff4c8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a77085983988b3cc4e70b722d1f5264c20b6c34d58ffddf8b8e22ec309dff4c8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:748

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/748-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/748-117-0x0000000000BD0000-0x0000000000BD6000-memory.dmp