dridex | 59fb610f78bd59058b919558daf88939ee7ccdb7b10363edb22a71d304e54603

Analysis

max time kernel
30s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
11-05-2021 10:37

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General

Target

59fb610f78bd59058b919558daf88939ee7ccdb7b10363edb22a71d304e54603.dll
Size

162KB
MD5

2d6c149410e3242595715102475f95b3
SHA1

41bba3315ce709f8b1b64013f2d386743b277aec
SHA256

59fb610f78bd59058b919558daf88939ee7ccdb7b10363edb22a71d304e54603
SHA512

60dc2f7d4c9f8725b820355f83e34154e0f971fc9789839bbca8203cb1299f38f7056b57f3c72007d223d77648b7b3098b431d69f6c37c7b962db3ec0075f064

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/1236-62-0x0000000075020000-0x000000007504E000-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 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe
PID 1496 wrote to memory of 1236	1496	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59fb610f78bd59058b919558daf88939ee7ccdb7b10363edb22a71d304e54603.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\59fb610f78bd59058b919558daf88939ee7ccdb7b10363edb22a71d304e54603.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1236

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/1236-61-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1236-60-0x0000000000000000-mapping.dmp

Download
memory/1236-62-0x0000000075020000-0x000000007504E000-memory.dmp

Filesize
184KB

Download
memory/1236-64-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download