dridex | 3350a3ee61efe8518970affb5cbaebc982973aac56296a7b70aa2d6f56680617

Analysis

max time kernel
135s
max time network
137s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:03

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General

Target

3350a3ee61efe8518970affb5cbaebc982973aac56296a7b70aa2d6f56680617.dll
Size

158KB
MD5

0c65ccd0028963aaddb2180a7bb6acba
SHA1

507870b3fc9dec3833c554481b4d06c2b6cae6ab
SHA256

3350a3ee61efe8518970affb5cbaebc982973aac56296a7b70aa2d6f56680617
SHA512

3c1af252a3f897804e0a21d15fd1eeee54ae20044de2e30b600e34217f6730e81e34b22206e09369c247d593a0cc29b46b12fe9e2ab8abe0212f1ddc0bcac575

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1172-62-0x0000000075410000-0x000000007543D000-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 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1172	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3350a3ee61efe8518970affb5cbaebc982973aac56296a7b70aa2d6f56680617.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3350a3ee61efe8518970affb5cbaebc982973aac56296a7b70aa2d6f56680617.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1172

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/1172-60-0x0000000000000000-mapping.dmp

Download
memory/1172-61-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1172-62-0x0000000075410000-0x000000007543D000-memory.dmp

Filesize
180KB

Download
memory/1172-64-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download