dridex | 66618faa2f365a0cd14176af4ea9e00ff58e75229d62a590393ca7cd5b0c3850

Analysis

max time kernel
26s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 13:29

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General

Target

66618faa2f365a0cd14176af4ea9e00ff58e75229d62a590393ca7cd5b0c3850.dll
Size

160KB
MD5

88fd9e7559d2abcd35786ebcf6b01afe
SHA1

9c58281ecf97dde32e79ac3ace6958fbc7aaad80
SHA256

66618faa2f365a0cd14176af4ea9e00ff58e75229d62a590393ca7cd5b0c3850
SHA512

27a01ab8d021c31a0439c22d2681177945238f5f38696528517b8ae1073c339f96c0c74f384ba90f59289203b243bee77fc5b6ec23b2841078ab82da2249d1d2

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1192-115-0x00000000736D0000-0x00000000736FE000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 664 wrote to memory of 1192	664	rundll32.exe	rundll32.exe
PID 664 wrote to memory of 1192	664	rundll32.exe	rundll32.exe
PID 664 wrote to memory of 1192	664	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66618faa2f365a0cd14176af4ea9e00ff58e75229d62a590393ca7cd5b0c3850.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66618faa2f365a0cd14176af4ea9e00ff58e75229d62a590393ca7cd5b0c3850.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1192

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/1192-114-0x0000000000000000-mapping.dmp

Download
memory/1192-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Filesize
184KB

Download
memory/1192-117-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download