dridex | fc96167a706e0f78c959573b5165463df17c1efc20a8d4df9c5811c13c703744

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 05:19

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General

Target

fc96167a706e0f78c959573b5165463df17c1efc20a8d4df9c5811c13c703744.dll
Size

160KB
MD5

c046200857d4e70043026a8deedef848
SHA1

e5ef51e3c6e3aefc9b25bc950cb4bc48aee8b587
SHA256

fc96167a706e0f78c959573b5165463df17c1efc20a8d4df9c5811c13c703744
SHA512

3eedae764b29844a4bf8864157e3337a289acd67d08d1985592a60f0e69e95d9f0e2fd574bd1eb4e50de17627a941c7cbbe5b13d0cd56b6cfa247398a1d02505

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/636-115-0x00000000736B0000-0x00000000736DE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2752 wrote to memory of 636	2752	rundll32.exe	rundll32.exe
PID 2752 wrote to memory of 636	2752	rundll32.exe	rundll32.exe
PID 2752 wrote to memory of 636	2752	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc96167a706e0f78c959573b5165463df17c1efc20a8d4df9c5811c13c703744.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc96167a706e0f78c959573b5165463df17c1efc20a8d4df9c5811c13c703744.dll,#1
2⤵
- Checks whether UAC is enabled
PID:636

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/636-114-0x0000000000000000-mapping.dmp

Download
memory/636-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/636-117-0x0000000003340000-0x0000000003346000-memory.dmp

Filesize
24KB

Download