dridex | 8b6f01b84507a20dedd3bdd00258aa1995fa641f74bdec62dddf133ff0cb5432

Analysis

max time kernel
28s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 16:48

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General

Target
8b6f01b84507a20dedd3bdd00258aa1995fa641f74bdec62dddf133ff0cb5432.dll
Size 162KB
Sample210420-zekedzgfdj
SHA256 8b6f01b84507a20dedd3bdd00258aa1995fa641f74bdec62dddf133ff0cb5432
MD5 c93e965d5ae00bbcac43e35c1009c04b
SHA1 311d76ad9f195805ea3d5501b5c5d1cf7b3981c3
SHA512 8060c97e8aef47d20729ce9e5b7094ecfee77857ba290fd0851754e3384e3b2cfc58fe1e6d2308398c9a25c7e9a3d3ad9b1f545c0db96b23c2821117d7a405a8
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/1692-115-0x0000000073860000-0x000000007388E000-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 2208 wrote to memory of 1692	2208	rundll32.exe	71
PID 2208 wrote to memory of 1692	2208	rundll32.exe	71
PID 2208 wrote to memory of 1692	2208	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b6f01b84507a20dedd3bdd00258aa1995fa641f74bdec62dddf133ff0cb5432.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b6f01b84507a20dedd3bdd00258aa1995fa641f74bdec62dddf133ff0cb5432.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1692

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/1692-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/1692-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp