dridex | 5888ee0095e35c518e7331bc08abd2e28ce2b531e2469d43f32752bd9e1f7967

Analysis

max time kernel
88s
max time network
151s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 17:58

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General

Target
5888ee0095e35c518e7331bc08abd2e28ce2b531e2469d43f32752bd9e1f7967.dll
Size 208KB
Sample210317-a67cn1548e
SHA256 5888ee0095e35c518e7331bc08abd2e28ce2b531e2469d43f32752bd9e1f7967
MD5 9a7c7dc5bdf8be8017041e9e96e77a1b
SHA1 1bb36cad2547181590e777383edc616d916b9b26
SHA512 94ee67413cfd6d6d054383bc01501791dc1b71bca24e4891c3e0806182287c591c55325d1ccfdbacf1fb3bed3cc5f4180fe0fcaf84ad951c4a60cc610177c0ba
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1540-4-0x0000000074AE0000-0x0000000074B16000-memory.dmp	dridex_ldr
behavioral1/memory/1540-6-0x0000000074AE0000-0x0000000074B01000-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 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21
PID 1432 wrote to memory of 1540	1432	rundll32.exe	21

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5888ee0095e35c518e7331bc08abd2e28ce2b531e2469d43f32752bd9e1f7967.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5888ee0095e35c518e7331bc08abd2e28ce2b531e2469d43f32752bd9e1f7967.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1540

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/1540-3-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

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memory/1540-4-0x0000000074AE0000-0x0000000074B16000-memory.dmp

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memory/1540-5-0x0000000000110000-0x0000000000116000-memory.dmp

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memory/1540-6-0x0000000074AE0000-0x0000000074B01000-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