dridex | fe6fd557b1ac9f3a89c34e680acbc8f832d7dcaaa33560eece40a432298040c6

Analysis

max time kernel
41s
max time network
49s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:51

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General

Target

fe6fd557b1ac9f3a89c34e680acbc8f832d7dcaaa33560eece40a432298040c6.dll
Size

162KB
MD5

25cf02cc1e36dd407a816ea7215d3b96
SHA1

87f781a9bd9a93ff654783dc4b6b7519cab92e17
SHA256

fe6fd557b1ac9f3a89c34e680acbc8f832d7dcaaa33560eece40a432298040c6
SHA512

77440e61e6be7fd4991484423c29dfc4ee7f5b79e9ce905c137021cdda2bbe0750343149d7cb7e41aaaf9585bdd250873ba5b5bca64bef4f86f7e10aaeb6b68e

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/772-115-0x0000000073BF0000-0x0000000073C1E000-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 3176 wrote to memory of 772	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 772	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 772	3176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe6fd557b1ac9f3a89c34e680acbc8f832d7dcaaa33560eece40a432298040c6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe6fd557b1ac9f3a89c34e680acbc8f832d7dcaaa33560eece40a432298040c6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:772

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/772-114-0x0000000000000000-mapping.dmp

Download
memory/772-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/772-117-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download