dridex | 4606b97d183381503baca246567097fc75cd80fb8377bb98809b66e43af53e33

Analysis

max time kernel
33s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:43

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General

Target

4606b97d183381503baca246567097fc75cd80fb8377bb98809b66e43af53e33.dll
Size

154KB
MD5

6502fe178077c6a232e5c5d2629ab866
SHA1

36e5f8b58e23b52705d2ee6a2721941f73f01489
SHA256

4606b97d183381503baca246567097fc75cd80fb8377bb98809b66e43af53e33
SHA512

986a4bb18311f8eed751877f2779549cc58cd398be7d7a29e39c0602eee26b0a5a908eb9cd03e3392b96617913b63c14a1d1f50c5fbe50fc3432aafe22658335

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/836-61-0x00000000750F0000-0x000000007511D000-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 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe
PID 2020 wrote to memory of 836	2020	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4606b97d183381503baca246567097fc75cd80fb8377bb98809b66e43af53e33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4606b97d183381503baca246567097fc75cd80fb8377bb98809b66e43af53e33.dll,#1
2⤵
- Checks whether UAC is enabled
PID:836

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/836-59-0x0000000000000000-mapping.dmp

Download
memory/836-60-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/836-61-0x00000000750F0000-0x000000007511D000-memory.dmp

Filesize
180KB

Download
memory/836-63-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download