dridex | d8490369c1853e1c51eb88422f54ff0eabad3725ac6a87f1acaa704021c71d13

Analysis

max time kernel
27s
max time network
117s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 09:53

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General

Target

d8490369c1853e1c51eb88422f54ff0eabad3725ac6a87f1acaa704021c71d13.dll
Size

160KB
MD5

b3564d597a5eb098e2419d1ab1de8f9c
SHA1

42ea6d4f8e6f084c0b9aea1ae6c55e317aaf2e31
SHA256

d8490369c1853e1c51eb88422f54ff0eabad3725ac6a87f1acaa704021c71d13
SHA512

7c25b0c97b6644ebf12b9d4afe2bf50e002fd56ad59d417adaf7854d6c1af8e2ede7b3200c1e517b485862b289257f919049439b7acaac008ad4a9ab8280d60d

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/4052-115-0x0000000074260000-0x000000007428E000-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 996 wrote to memory of 4052	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 4052	996	rundll32.exe	rundll32.exe
PID 996 wrote to memory of 4052	996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8490369c1853e1c51eb88422f54ff0eabad3725ac6a87f1acaa704021c71d13.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8490369c1853e1c51eb88422f54ff0eabad3725ac6a87f1acaa704021c71d13.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4052

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/4052-114-0x0000000000000000-mapping.dmp

Download
memory/4052-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/4052-117-0x0000000003200000-0x000000000334A000-memory.dmp

Filesize
1.3MB

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