dridex | 283997f5acdb95600c8fd0869b74fb9bacfa9ba46b879d8ddb9061c67219e0e3

Analysis

max time kernel
97s
max time network
99s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 14:35

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General

Target

283997f5acdb95600c8fd0869b74fb9bacfa9ba46b879d8ddb9061c67219e0e3.dll
Size

162KB
MD5

b209edfad8d271f442329623748cb395
SHA1

925101e4096659fa18976c80c695bc24503bfdce
SHA256

283997f5acdb95600c8fd0869b74fb9bacfa9ba46b879d8ddb9061c67219e0e3
SHA512

dd5169b2d938fea333dfa9b5a01476b572b2acccd6b8e4dd73ea8e86221ac0ce3a9dc699a7d3a916eccf5728e3f252af135370ddbd3a5fb74c5797ac0328623a

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/1548-115-0x0000000073F50000-0x0000000073F7E000-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 1032 wrote to memory of 1548	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1548	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1548	1032	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\283997f5acdb95600c8fd0869b74fb9bacfa9ba46b879d8ddb9061c67219e0e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\283997f5acdb95600c8fd0869b74fb9bacfa9ba46b879d8ddb9061c67219e0e3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1548

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/1548-114-0x0000000000000000-mapping.dmp

Download
memory/1548-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Filesize
184KB

Download
memory/1548-117-0x00000000031C0000-0x00000000031C6000-memory.dmp

Filesize
24KB

Download