dridex | fc1edc293e2f486a362ad4168b6826bf162ae91532a057ff4cb470088b292027

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:10

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General

Target

fc1edc293e2f486a362ad4168b6826bf162ae91532a057ff4cb470088b292027.dll
Size

154KB
MD5

e556d89253c2a700c783dd359df60e5e
SHA1

5b32ffc6376cc9a6decd0a88a95cce892f2c3a4f
SHA256

fc1edc293e2f486a362ad4168b6826bf162ae91532a057ff4cb470088b292027
SHA512

febb9a151ef2b06f411d196bb34874f68290983050f3d8fb4dfe66ece6c64f1516126c512a4db592d3d6f18536187b40bc294cbf474cfa64199dbfbb143fa76a

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/796-115-0x00000000742B0000-0x00000000742DD000-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 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 796	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc1edc293e2f486a362ad4168b6826bf162ae91532a057ff4cb470088b292027.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc1edc293e2f486a362ad4168b6826bf162ae91532a057ff4cb470088b292027.dll,#1
2⤵
- Checks whether UAC is enabled
PID:796

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/796-114-0x0000000000000000-mapping.dmp

Download
memory/796-115-0x00000000742B0000-0x00000000742DD000-memory.dmp

Filesize
180KB

Download
memory/796-117-0x0000000003500000-0x0000000003506000-memory.dmp

Filesize
24KB

Download