dridex | f6a1a7e43a2c62cbd3a9bd263d3a0ca63734a8bc70bb9011e7361c07074ab6bc

Analysis

max time kernel
30s
max time network
142s
platform
windows7_x64
resource
win7v20210408
submitted
11-05-2021 12:04

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General

Target

515e641d_by_Libranalysis.dll
Size

162KB
MD5

515e641d4b6b5f30a56b2adbb59907a3
SHA1

eb5c4d38e9848085f6e3280a5127c455a6855f46
SHA256

f6a1a7e43a2c62cbd3a9bd263d3a0ca63734a8bc70bb9011e7361c07074ab6bc
SHA512

6610322281d0a526e6f06aca979802bd396cbc81731b96dcf0cde7ba12cf7ac42040ac5477a301c84b87eced1f5549e541737ee2f3a52c89006f743fbcdc4a93

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/1856-61-0x0000000074600000-0x000000007462E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe
PID 280 wrote to memory of 1856	280	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\515e641d_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\515e641d_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1856

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/1856-59-0x0000000000000000-mapping.dmp

Download
memory/1856-60-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1856-61-0x0000000074600000-0x000000007462E000-memory.dmp

Filesize
184KB

Download
memory/1856-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download