dridex | 7a80f1087fc5995f49cafa02322e27c2115cbf8a5d34fd0790a774cce3672506

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
14/05/2021, 02:05

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General

Target
2491a199_by_Libranalysis.dll
Size 162KB
Sample210514-321cwknmjs
SHA256 7a80f1087fc5995f49cafa02322e27c2115cbf8a5d34fd0790a774cce3672506
MD5 2491a199dbe29cea0ed3025448400f7e
SHA1 d1a793a74ad59ef2370d205aef5c9305b95d0e0c
SHA512 e8794e870985abb3c3ba68d92c984b9e96b766435424e12f13024353c6aae75d21d881286f8a30b09e055251985b8c1ebd2473c7e475b5aa71cea468ccf46106
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/2020-62-0x00000000754B0000-0x00000000754DE000-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 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25
PID 1104 wrote to memory of 2020	1104	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2491a199_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2491a199_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/2020-61-0x0000000076E11000-0x0000000076E13000-memory.dmp

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memory/2020-62-0x00000000754B0000-0x00000000754DE000-memory.dmp

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memory/2020-64-0x00000000001C0000-0x00000000001C6000-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