dridex | a9c5423d9d1bed7e18cd2e185cca5369dc24af26a60ae22b615af4ba78443f4f

Analysis

max time kernel
56s
max time network
72s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 19:23

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General

Target
a9c5423d9d1bed7e18cd2e185cca5369dc24af26a60ae22b615af4ba78443f4f.dll
Size 208KB
Sample210317-j255dphycs
SHA256 a9c5423d9d1bed7e18cd2e185cca5369dc24af26a60ae22b615af4ba78443f4f
MD5 43d9f39c58235154060eb2baaa41ae3f
SHA1 69f74dbfbc2dde8cbedb8b4eda46cc1b29f40366
SHA512 d76ff96071439a67b918fb8cafdc478c90ab87e56d97920088cde5a2752364c2b08b352dc935e089fcad1be4b86e2a535046e820d21f88d2ec86eec4cc775b95
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

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/1244-4-0x0000000074AC0000-0x0000000074AF6000-memory.dmp	dridex_ldr
behavioral1/memory/1244-6-0x0000000074AC0000-0x0000000074AE1000-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 7 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25
PID 1812 wrote to memory of 1244	1812	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9c5423d9d1bed7e18cd2e185cca5369dc24af26a60ae22b615af4ba78443f4f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9c5423d9d1bed7e18cd2e185cca5369dc24af26a60ae22b615af4ba78443f4f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1244

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

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Downloads

memory/1244-3-0x0000000076241000-0x0000000076243000-memory.dmp

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memory/1244-4-0x0000000074AC0000-0x0000000074AF6000-memory.dmp

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memory/1244-5-0x0000000000140000-0x0000000000146000-memory.dmp

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memory/1244-6-0x0000000074AC0000-0x0000000074AE1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads