dridex | a36c0d69f7611826fdaefa2b46386aaa796e6a83dcaaa94cb930ecfd0e7c61ac

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 22:56

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General

Target

a36c0d69f7611826fdaefa2b46386aaa796e6a83dcaaa94cb930ecfd0e7c61ac.dll
Size

162KB
MD5

0cc3deed258eba4330a59e762e9c504a
SHA1

3aa240bdc4ae25368ae9c8cf9052ebaa5a61b405
SHA256

a36c0d69f7611826fdaefa2b46386aaa796e6a83dcaaa94cb930ecfd0e7c61ac
SHA512

4f25f1738c7e4e046b2fa3ee0dbe393dde43ae1910830bb42eeb5a1452c1f293947ec4dedbee2a04786dc47a164ff5d9cc1dbf622c4d57cf15c6122f3d52e110

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/2268-115-0x0000000074300000-0x000000007432E000-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 3876 wrote to memory of 2268	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 2268	3876	rundll32.exe	rundll32.exe
PID 3876 wrote to memory of 2268	3876	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a36c0d69f7611826fdaefa2b46386aaa796e6a83dcaaa94cb930ecfd0e7c61ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a36c0d69f7611826fdaefa2b46386aaa796e6a83dcaaa94cb930ecfd0e7c61ac.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2268

Network

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/2268-114-0x0000000000000000-mapping.dmp

Download
memory/2268-115-0x0000000074300000-0x000000007432E000-memory.dmp

Filesize
184KB

Download
memory/2268-117-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download