dridex | 7598f8f672fa028b39c66080ec117e8dad1176705f78c40b0240af2ef9dda8f0

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:30

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General

Target

7598f8f672fa028b39c66080ec117e8dad1176705f78c40b0240af2ef9dda8f0.dll
Size

162KB
MD5

43ed8187a09ec5089ee243bfeba1f5ef
SHA1

75cb4d46eb1de3bfc92ed652a561ae6a5019fb53
SHA256

7598f8f672fa028b39c66080ec117e8dad1176705f78c40b0240af2ef9dda8f0
SHA512

6eca7ee462c3306515d84924a75241b4614876b160c1ebc1ac27daa9f2e2da74d0df58cf86dd7bf439f790eb997c76942e01f4f476589229d8ca0d4b1a1e1d29

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

Processes:

resource	yara_rule
behavioral1/memory/3228-115-0x00000000741E0000-0x000000007420E000-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 3188 wrote to memory of 3228	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3228	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3228	3188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7598f8f672fa028b39c66080ec117e8dad1176705f78c40b0240af2ef9dda8f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7598f8f672fa028b39c66080ec117e8dad1176705f78c40b0240af2ef9dda8f0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3228

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/3228-114-0x0000000000000000-mapping.dmp

Download
memory/3228-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Filesize
184KB

Download
memory/3228-117-0x00000000030A0000-0x00000000030A6000-memory.dmp

Filesize
24KB

Download