dridex | c55adf3586a038167b6f0f015f22860bef4d0822e1ece7e38415c28ba34d737d

Analysis

max time kernel
28s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
20/04/2021, 20:37

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General

Target
c55adf3586a038167b6f0f015f22860bef4d0822e1ece7e38415c28ba34d737d.dll
Size 162KB
Sample210420-e3vx46e4cn
SHA256 c55adf3586a038167b6f0f015f22860bef4d0822e1ece7e38415c28ba34d737d
MD5 cd848fe302527ddf2f4d526e34448566
SHA1 f0b1c3c2f6f055496918c8e247da378321a3cab6
SHA512 bfbc41c4e3238705e7129b71d3fffff3aad239dae492c69d48067c0faccf32be645c7004433f10be7c69022fdb4e42c0ffd0fdaf1fd548fad30afc1260e03850
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/1488-62-0x0000000074FD0000-0x0000000074FFE000-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 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25
PID 1628 wrote to memory of 1488	1628	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c55adf3586a038167b6f0f015f22860bef4d0822e1ece7e38415c28ba34d737d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c55adf3586a038167b6f0f015f22860bef4d0822e1ece7e38415c28ba34d737d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1488

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/1488-61-0x0000000075551000-0x0000000075553000-memory.dmp

Download

memory/1488-62-0x0000000074FD0000-0x0000000074FFE000-memory.dmp

Download

memory/1488-64-0x0000000000190000-0x0000000000196000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads