dridex | c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2

Analysis

max time kernel
27s
max time network
14s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 14:58

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General

Target

c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll
Size

162KB
MD5

f12d59f5bb85a0ed20a6d2cb5c2aa4f3
SHA1

e11c5a790b6c891b22e8c3e8ca879898ce875b31
SHA256

c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2
SHA512

fffedbb44c5ef88e44890d7f8a8f3ac37b28090811b0fbe7900cb1295afb5be164a8b583f50e1d7b9e0466d02a86858520a88c6cf834d51887fca2f0b53f6c5d

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/2024-62-0x00000000745E0000-0x000000007460E000-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 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe
PID 1608 wrote to memory of 2024	1608	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c01d4a1eb5fec15bd87f0258a2d524738e03dee02b291c6aab5eeaaa15a7d6e2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2024

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/2024-60-0x0000000000000000-mapping.dmp

Download
memory/2024-61-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/2024-62-0x00000000745E0000-0x000000007460E000-memory.dmp

Filesize
184KB

Download
memory/2024-64-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download