dridex | a89308d2af8a3fdcbe11532ec5df5b8d7d83b4895156b3d7fe218162dcec99b2

Analysis

max time kernel
123s
max time network
158s
platform
windows7_x64
resource
win7v20210408
submitted
24/05/2021, 08:03

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General

Target
fc5993da_by_Libranalysis.dll
Size 162KB
Sample210524-d7hraacwda
SHA256 a89308d2af8a3fdcbe11532ec5df5b8d7d83b4895156b3d7fe218162dcec99b2
MD5 fc5993dacf320a1afba59214af55bf8b
SHA1 c09da5fe125cc51bf27d82489146448e5af97383
SHA512 14f42a5fe6a13fc846d7855a1a84acb0e2bedb698cc442be5094dc72b42d126b1ca879ef5bfce8d22e9c45e4fb8568589d8a241bbcf031ea58097ea193d70846
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/2020-62-0x0000000075450000-0x000000007547E000-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 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17
PID 1840 wrote to memory of 2020	1840	rundll32.exe	17

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5993da_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc5993da_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2020

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/2020-61-0x00000000762C1000-0x00000000762C3000-memory.dmp

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memory/2020-62-0x0000000075450000-0x000000007547E000-memory.dmp

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memory/2020-64-0x0000000000280000-0x0000000000286000-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