dridex | 3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a

Analysis

max time kernel
49s
max time network
75s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:42

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General

Target

3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll
Size

161KB
MD5

df61078111dbfefd4d047f9ca509e40e
SHA1

53fa6c98ca10e3f3dcf98f3f5242577ec1355272
SHA256

3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a
SHA512

82d3e5f69ff25c2bad2363528cedbfb4c9883c6895f0794fafcda1a4cec87365ab809b3d0d31d409763661c514fb44aae6cdd453a4cc7e9c2499f54dbaeb72b5

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/3276-115-0x00000000736B0000-0x00000000736DE000-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 2256 wrote to memory of 3276	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3276	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3276	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f27d0fd44dc73589602d0cd3780216781862ebe4ac4eeff826efa912b47a49a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3276

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/3276-114-0x0000000000000000-mapping.dmp

Download
memory/3276-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/3276-117-0x0000000004DE0000-0x0000000004DE6000-memory.dmp

Filesize
24KB

Download