dridex | b5aa689ba76f8aa51cd4c8d0d676fdb6fe42bcb6e9fc938dc23dfe0d64f61d33

Analysis

max time kernel
26s
max time network
76s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:25

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General

Target

b5aa689ba76f8aa51cd4c8d0d676fdb6fe42bcb6e9fc938dc23dfe0d64f61d33.dll
Size

162KB
MD5

1e163ec385d52c9f17dbc6e0a9526fd7
SHA1

a399ba0d27776a7429dc6e9530acf5e22a3bfc6d
SHA256

b5aa689ba76f8aa51cd4c8d0d676fdb6fe42bcb6e9fc938dc23dfe0d64f61d33
SHA512

b14cfcc07071fec3af77853589bede533ccf7b4e42d84a998940d33203076c4e54ce42e54df3d89c4b9b428828e315d811db1901fa83747c6481a8f42bf9f86e

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/3276-115-0x0000000073990000-0x00000000739BE000-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 3260 wrote to memory of 3276	3260	rundll32.exe	rundll32.exe
PID 3260 wrote to memory of 3276	3260	rundll32.exe	rundll32.exe
PID 3260 wrote to memory of 3276	3260	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5aa689ba76f8aa51cd4c8d0d676fdb6fe42bcb6e9fc938dc23dfe0d64f61d33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3260

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5aa689ba76f8aa51cd4c8d0d676fdb6fe42bcb6e9fc938dc23dfe0d64f61d33.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3276

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/3276-114-0x0000000000000000-mapping.dmp

Download
memory/3276-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Filesize
184KB

Download
memory/3276-117-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download