dridex | 1f581739ec9646017e8f6074642255f68a98411f77a3b319e1f93db9b773cb35

Analysis

max time kernel
26s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 19:13

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General

Target

1f581739ec9646017e8f6074642255f68a98411f77a3b319e1f93db9b773cb35.dll
Size

158KB
MD5

ffcdad02b98b0ec29b7fe2cc5e5e7611
SHA1

4f254f0346b5df02ebc6c020767d9d5d7323d0b3
SHA256

1f581739ec9646017e8f6074642255f68a98411f77a3b319e1f93db9b773cb35
SHA512

ae25c448243e743d4c2b70392ce2481d4d47cab0612d16be5ef033d471029464aa656308def962e29abf3253e29c4d3fd3a240b5a455caa94266aebb884ef16f

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/4012-115-0x0000000073560000-0x000000007358D000-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 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 4012	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f581739ec9646017e8f6074642255f68a98411f77a3b319e1f93db9b773cb35.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f581739ec9646017e8f6074642255f68a98411f77a3b319e1f93db9b773cb35.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4012

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/4012-114-0x0000000000000000-mapping.dmp

Download
memory/4012-115-0x0000000073560000-0x000000007358D000-memory.dmp

Filesize
180KB

Download
memory/4012-117-0x00000000006E0000-0x000000000082A000-memory.dmp

Filesize
1.3MB

Download