dridex | b59e0ca13e74a09ff3d6c8096bb022ac9e21e9c3baa8193ff2db3ff31af3650d

Analysis

max time kernel
141s
max time network
145s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:42

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General

Target

b59e0ca13e74a09ff3d6c8096bb022ac9e21e9c3baa8193ff2db3ff31af3650d.dll
Size

162KB
MD5

5a9225e5dd050879718312863e486631
SHA1

8c5010542c214c69ef40e18f156ce924911d54b1
SHA256

b59e0ca13e74a09ff3d6c8096bb022ac9e21e9c3baa8193ff2db3ff31af3650d
SHA512

cada697dfa424a98a96d4019643b9c4437069aa33d9e831c949d4f7d0d1b09fafbe321182892fb07c8397654e107e05046177b04b4a879721185b0ab736ba374

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
behavioral2/memory/1220-115-0x0000000074260000-0x000000007428E000-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 1000 wrote to memory of 1220	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1220	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1220	1000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b59e0ca13e74a09ff3d6c8096bb022ac9e21e9c3baa8193ff2db3ff31af3650d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b59e0ca13e74a09ff3d6c8096bb022ac9e21e9c3baa8193ff2db3ff31af3650d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1220

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/1220-114-0x0000000000000000-mapping.dmp

Download
memory/1220-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/1220-117-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download