dridex | f7f454a1793857a7d464e141a758546daa151a95c42eb3980783d5840fd73696

Analysis

max time kernel
24s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 12:42

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General

Target

f7f454a1793857a7d464e141a758546daa151a95c42eb3980783d5840fd73696.dll
Size

158KB
MD5

07e75640d46f24ad5c9416c6c7d15ade
SHA1

4e6beda8ede3440255f20808a64ecc1e0b97208c
SHA256

f7f454a1793857a7d464e141a758546daa151a95c42eb3980783d5840fd73696
SHA512

0f0bccc3d9e4d9705291dff8d33e79217ef16a93d50f68231d3e4a9b4d9b9f027997de2954ea4aee1e6edc252976fac37da6480f98cad05fae39dc15ced497b5

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/376-115-0x00000000736D0000-0x00000000736FD000-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 664 wrote to memory of 376	664	rundll32.exe	rundll32.exe
PID 664 wrote to memory of 376	664	rundll32.exe	rundll32.exe
PID 664 wrote to memory of 376	664	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7f454a1793857a7d464e141a758546daa151a95c42eb3980783d5840fd73696.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7f454a1793857a7d464e141a758546daa151a95c42eb3980783d5840fd73696.dll,#1
2⤵
- Checks whether UAC is enabled
PID:376

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/376-114-0x0000000000000000-mapping.dmp

Download
memory/376-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/376-117-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download