dridex | 46e660ab2fb836c3e645230fe88dd4b8b39ee61c1207416a13e18c4c05d4fb6b

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 20:01

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General

Target

46e660ab2fb836c3e645230fe88dd4b8b39ee61c1207416a13e18c4c05d4fb6b.dll
Size

154KB
MD5

35f62b56b9fe46502153b047df435ed3
SHA1

9b4d7b03c52d88e9d535899830ff5f9722020542
SHA256

46e660ab2fb836c3e645230fe88dd4b8b39ee61c1207416a13e18c4c05d4fb6b
SHA512

33bf7b6959c3d2593cc5a1839a92535084206ad47f6a9460134226c6345d4e2ae4d372fef3d096e0cc11b2ea3dfa5934f251634de431625bee0bc33d473489d0

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1888-62-0x00000000746B0000-0x00000000746DD000-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 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe
PID 756 wrote to memory of 1888	756	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46e660ab2fb836c3e645230fe88dd4b8b39ee61c1207416a13e18c4c05d4fb6b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46e660ab2fb836c3e645230fe88dd4b8b39ee61c1207416a13e18c4c05d4fb6b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1888

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

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Downloads

memory/1888-60-0x0000000000000000-mapping.dmp

Download
memory/1888-61-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1888-62-0x00000000746B0000-0x00000000746DD000-memory.dmp

Filesize
180KB

Download
memory/1888-64-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download