dridex | fb393a395085b771105d2a05163e8e887cbcf93b22cceca6ec4ea35921cde690

Analysis

max time kernel
19s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:12

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General

Target

fb393a395085b771105d2a05163e8e887cbcf93b22cceca6ec4ea35921cde690.dll
Size

162KB
MD5

e02e2856ecf98d147f3a361955f0b7d7
SHA1

948c30e82e651e67680e65aa171c1b9b2b1d4743
SHA256

fb393a395085b771105d2a05163e8e887cbcf93b22cceca6ec4ea35921cde690
SHA512

18e74d7f51de92d5388601ea0be6bc789782974a8ecb19c7264dbfd1d5e0a02b4038061dd5deb2fc156f85e80e22b3de42d795a050dcfd8ea08f1b9c64cb22d9

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1876-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 1876	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 1876	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 1876	3680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb393a395085b771105d2a05163e8e887cbcf93b22cceca6ec4ea35921cde690.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb393a395085b771105d2a05163e8e887cbcf93b22cceca6ec4ea35921cde690.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1876

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/1876-114-0x0000000000000000-mapping.dmp

Download
memory/1876-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/1876-117-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download