dridex | 16df77c9cc8c4ffb64d45ab155e96ca7cdc3b0f7fb2bd8c26ac77eeed1f4946c

Analysis

max time kernel
139s
max time network
142s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 16:02

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General

Target
6f0de4bb_by_Libranalysis.dll
Size 162KB
Sample210506-prdmfnsb72
SHA256 16df77c9cc8c4ffb64d45ab155e96ca7cdc3b0f7fb2bd8c26ac77eeed1f4946c
MD5 6f0de4bbd5ab3c43fd9911140fdfc75c
SHA1 46e57e273ef423992ed10fe997324fc2e78559c8
SHA512 52c83cfaf55b2ae39abeb77f58cbd454fb6d26a817ee208c11cbed8579e4dd20a5ae5d07e4446af26ab8f1a43a862ac9fa09cef9bc4f9f84d1a71e7be06e337d
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/3936-115-0x0000000073660000-0x000000007368E000-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 4012 wrote to memory of 3936	4012	rundll32.exe	72
PID 4012 wrote to memory of 3936	4012	rundll32.exe	72
PID 4012 wrote to memory of 3936	4012	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f0de4bb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f0de4bb_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3936

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/3936-115-0x0000000073660000-0x000000007368E000-memory.dmp

Download

memory/3936-117-0x00000000004A0000-0x00000000004A6000-memory.dmp