dridex | f49b14a271ed82697aa6e8efe85ed436544e7d9abb89425d869d4d9b83a9e464

Analysis

max time kernel
35s
max time network
42s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:52

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General

Target

f49b14a271ed82697aa6e8efe85ed436544e7d9abb89425d869d4d9b83a9e464.dll
Size

161KB
MD5

7f75c2d0cc11ec65c0e3448ef668cf4c
SHA1

566943621c2049c8f079441a90c8a72ba9f97a24
SHA256

f49b14a271ed82697aa6e8efe85ed436544e7d9abb89425d869d4d9b83a9e464
SHA512

4656ce6ba1746fc6026eb4bec43e0bc60720e95b8814f2da3e15c569a1bf4cb8f847fd2e45e3c14192fb355c6be72992102e6d7bef3b851bdb9408ad8cd111d6

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1104-115-0x00000000742C0000-0x00000000742EE000-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 640 wrote to memory of 1104	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1104	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1104	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f49b14a271ed82697aa6e8efe85ed436544e7d9abb89425d869d4d9b83a9e464.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f49b14a271ed82697aa6e8efe85ed436544e7d9abb89425d869d4d9b83a9e464.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1104

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/1104-114-0x0000000000000000-mapping.dmp

Download
memory/1104-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Filesize
184KB

Download
memory/1104-117-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download