dridex | 0a22fb9d5d803925906cd77c165d8f75d7ba96604ed3daf805c37efdb38e5cba

Analysis

max time kernel
72s
max time network
73s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:27

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General

Target

0a22fb9d5d803925906cd77c165d8f75d7ba96604ed3daf805c37efdb38e5cba.dll
Size

162KB
MD5

7dfe6ead3198feab4a05ba1d93c3abe0
SHA1

317849bb2eb4d4ef1a4f69e65d11e8add7c5ef76
SHA256

0a22fb9d5d803925906cd77c165d8f75d7ba96604ed3daf805c37efdb38e5cba
SHA512

b9239a99363327a5dc0d6caa49ae1846132e63b0fe514e9c2812d3b8cf5e768ec11e8bf22276787f5e8a2f92a7b1f6c05737bad0fa736128485c9d8bcb9fc395

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/2760-115-0x0000000073860000-0x000000007388E000-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 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a22fb9d5d803925906cd77c165d8f75d7ba96604ed3daf805c37efdb38e5cba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a22fb9d5d803925906cd77c165d8f75d7ba96604ed3daf805c37efdb38e5cba.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2760

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/2760-114-0x0000000000000000-mapping.dmp

Download
memory/2760-115-0x0000000073860000-0x000000007388E000-memory.dmp

Filesize
184KB

Download
memory/2760-117-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download