dridex | a1a640a41b403bd5989a6aff916e1a4306dbc24c96704af36b141effc896c3d0

Analysis

max time kernel
29s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:03

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General

Target

a1a640a41b403bd5989a6aff916e1a4306dbc24c96704af36b141effc896c3d0.dll
Size

158KB
MD5

b1ede1ee47c7f1a23a41670d2569eab2
SHA1

51f7343ce50820a0576ad8cae69400a06338b142
SHA256

a1a640a41b403bd5989a6aff916e1a4306dbc24c96704af36b141effc896c3d0
SHA512

cd3959a59df47949841b2d89692ee7600e58d36effab55eea32f823c32f19e6b0608e27c158f11de6a2a6f47a4536e2be147fc473a63aeaceaff106ae9d2d4e5

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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
behavioral2/memory/1464-115-0x00000000735F0000-0x000000007361D000-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 596 wrote to memory of 1464	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1464	596	rundll32.exe	rundll32.exe
PID 596 wrote to memory of 1464	596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1a640a41b403bd5989a6aff916e1a4306dbc24c96704af36b141effc896c3d0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1a640a41b403bd5989a6aff916e1a4306dbc24c96704af36b141effc896c3d0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1464

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/1464-114-0x0000000000000000-mapping.dmp

Download
memory/1464-115-0x00000000735F0000-0x000000007361D000-memory.dmp

Filesize
180KB

Download
memory/1464-117-0x00000000033F0000-0x000000000353A000-memory.dmp

Filesize
1.3MB

Download