dridex | a20b385cf09b1412d6751fdbd0f1a4f950eaf508a712483c2be285c59ee7bf8b

Analysis

max time kernel
131s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 05:56

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General

Target
a20b385cf09b1412d6751fdbd0f1a4f950eaf508a712483c2be285c59ee7bf8b.dll
Size 162KB
Sample210420-1bab1shgla
SHA256 a20b385cf09b1412d6751fdbd0f1a4f950eaf508a712483c2be285c59ee7bf8b
MD5 57b1129c5f6a36edbd993cd23c5b7b3d
SHA1 db737a290a40899fe3a5a5b27c0d4eb07283a8a2
SHA512 32dcc87e17b50bea7b86ec5ee7d324f2ca7b2596b64058ed07b2b03cbca3eba24d00c723dfb5b6280813822bcf31825877348290e32a2022027f0a09a24adb56
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/744-115-0x0000000074300000-0x000000007432E000-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 3948 wrote to memory of 744	3948	rundll32.exe	70
PID 3948 wrote to memory of 744	3948	rundll32.exe	70
PID 3948 wrote to memory of 744	3948	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a20b385cf09b1412d6751fdbd0f1a4f950eaf508a712483c2be285c59ee7bf8b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a20b385cf09b1412d6751fdbd0f1a4f950eaf508a712483c2be285c59ee7bf8b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:744

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/744-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/744-117-0x0000000000E40000-0x0000000000E46000-memory.dmp