dridex | 57199aaeca5c6470a2e9c3a39c24fac29266daa8fe7dc83487be8dc1cb4d1ba1

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 23:10

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General

Target

57199aaeca5c6470a2e9c3a39c24fac29266daa8fe7dc83487be8dc1cb4d1ba1.dll
Size

162KB
MD5

fd9358ea445e50babb48e9bc7d1758b0
SHA1

cce0890d9041b83b6f07607b187458f54f75456c
SHA256

57199aaeca5c6470a2e9c3a39c24fac29266daa8fe7dc83487be8dc1cb4d1ba1
SHA512

e3b98e7fb24301d45678765238296c315001fb818b2ae082f8452d9f32a7c8fce696e23571d6f926d1928dcb0a92507d756736a1faad788495cbbcbbf7a35500

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/2004-115-0x00000000755E0000-0x000000007560E000-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 4048 wrote to memory of 2004	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 2004	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 2004	4048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57199aaeca5c6470a2e9c3a39c24fac29266daa8fe7dc83487be8dc1cb4d1ba1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57199aaeca5c6470a2e9c3a39c24fac29266daa8fe7dc83487be8dc1cb4d1ba1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2004

Network

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/2004-114-0x0000000000000000-mapping.dmp

Download
memory/2004-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Filesize
184KB

Download
memory/2004-117-0x00000000010C0000-0x00000000010C6000-memory.dmp

Filesize
24KB

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