dridex | f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc

Analysis

max time kernel
27s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
21/04/2021, 17:25

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General

Target
f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll
Size 158KB
Sample210421-np2qtkaf4x
SHA256 f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc
MD5 9ce82e399c787d2371560175c0beb54c
SHA1 482456ccc01b3128ac157cb8d902b73c2e57d2a3
SHA512 2352d680117fa55c3372633d6f856b878277ed1fdcb2d704deb04219a999821f734c33a552d06abe791735298fd8907d959d71f4c7afe404df19cb19da076eee
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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/736-115-0x0000000073530000-0x000000007355D000-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 4024 wrote to memory of 736	4024	rundll32.exe	70
PID 4024 wrote to memory of 736	4024	rundll32.exe	70
PID 4024 wrote to memory of 736	4024	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4441bc6cfa6d550834c65b01afa7a8c7728b483afcd5ed248be2aeadcca97bc.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:736

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/736-115-0x0000000073530000-0x000000007355D000-memory.dmp

Download

memory/736-117-0x0000000003200000-0x00000000032AE000-memory.dmp