dridex | 8b07ba00ef1fa6e9cbd7b0f8fca69f6b7b0fe5dc7d18430dbd94bb3ebd02a251

Analysis

max time kernel
29s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 23:06

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General

Target
b727bdd4_by_Libranalysis.dll
Size 162KB
Sample210509-75st2se57j
SHA256 8b07ba00ef1fa6e9cbd7b0f8fca69f6b7b0fe5dc7d18430dbd94bb3ebd02a251
MD5 b727bdd4a6d88c502fd07f8d13ea91fb
SHA1 499b1a3651cd38653e5349de73b196ba478dbaee
SHA512 906142d47807b12c6b153803a08c7d578d61d34006f9a0d0e9deb7ac7d82243f6baaf096cac0a4a8d7e189d4589545cb46edf69c55cd5559a63940824d7938cb
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/4872-115-0x0000000073880000-0x00000000738AE000-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 4808 wrote to memory of 4872	4808	rundll32.exe	69
PID 4808 wrote to memory of 4872	4808	rundll32.exe	69
PID 4808 wrote to memory of 4872	4808	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b727bdd4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b727bdd4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4872

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/4872-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Download

memory/4872-117-0x0000000002B90000-0x0000000002B96000-memory.dmp