dridex | 78099edf38acaf57bd496fe2873d671d71feadc5c858f9b1d0fea5981306ac99

Analysis

max time kernel
31s
max time network
12s
platform
windows7_x64
resource
win7v20210408
submitted
03/05/2021, 21:05

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General

Target
d4cbcd93_by_Libranalysis.dll
Size 162KB
Sample210503-bnde81rmy6
SHA256 78099edf38acaf57bd496fe2873d671d71feadc5c858f9b1d0fea5981306ac99
MD5 d4cbcd93c1efcceab35922b5ae941655
SHA1 31293a1d240f057aad2e34855c10d49d196dd9b9
SHA512 b3e94a188ce7e4d302b3f600d9a8e612350c4e5172ef71d2775bbc9d5a7585fa1101cda99c4ded57a08cad2d300f201041d740a9c60bea335a8bafbab4691d08
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
behavioral1/memory/1184-62-0x0000000074920000-0x000000007494E000-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 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25
PID 1944 wrote to memory of 1184	1944	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4cbcd93_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4cbcd93_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1184

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/1184-61-0x00000000760B1000-0x00000000760B3000-memory.dmp

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memory/1184-62-0x0000000074920000-0x000000007494E000-memory.dmp

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memory/1184-64-0x00000000001C0000-0x00000000001C6000-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