dridex | aa4c8a91ae8dbb0fcd4aa0bc3966eabca61d9da715dca00b632a70054971407b

Analysis

max time kernel
77s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
20/04/2021, 04:39

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General

Target
aa4c8a91ae8dbb0fcd4aa0bc3966eabca61d9da715dca00b632a70054971407b.dll
Size 162KB
Sample210420-jy74vskvps
SHA256 aa4c8a91ae8dbb0fcd4aa0bc3966eabca61d9da715dca00b632a70054971407b
MD5 6cdf07960a42cf307cfe654b202eaff2
SHA1 96f7a7a0a133181f5272d3bb5fb77071ba37c054
SHA512 3da6bcdc7ce04e7a7f16e11208ecf38a4e90eb18eb1b7d33dab69d6cb981295b1390adcdbc582e4e9bbcc935e4b9e0a3cbc8993ed4a647e9a6f2c89c1be2d441
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
behavioral2/memory/1440-115-0x0000000074260000-0x000000007428E000-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 1000 wrote to memory of 1440	1000	rundll32.exe	70
PID 1000 wrote to memory of 1440	1000	rundll32.exe	70
PID 1000 wrote to memory of 1440	1000	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa4c8a91ae8dbb0fcd4aa0bc3966eabca61d9da715dca00b632a70054971407b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\aa4c8a91ae8dbb0fcd4aa0bc3966eabca61d9da715dca00b632a70054971407b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1440

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/1440-115-0x0000000074260000-0x000000007428E000-memory.dmp

Download

memory/1440-117-0x0000000002940000-0x0000000002A8A000-memory.dmp