dridex | b47287b2c5e6d68f4be55031891aecfbd272e1c833e8829b481ec6cb6fbe1189

Analysis

max time kernel
29s
max time network
18s
platform
windows7_x64
resource
win7v20210408
submitted
04/05/2021, 02:03

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General

Target
8c2f335b_by_Libranalysis.dll
Size 162KB
Sample210504-ekbbr4psmn
SHA256 b47287b2c5e6d68f4be55031891aecfbd272e1c833e8829b481ec6cb6fbe1189
MD5 8c2f335b000c11f107e7e32f9d749124
SHA1 644424edc74f675c80949815e8de5b2c022bd4e8
SHA512 e8c3aa35b3a85946e47685c976e54a27508e1ded0285248924b5304560c6034f8aaaaf7f48995ca56219ede6f313820eb50b4c166864a8223231b2c3a798f63e
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral1/memory/1384-62-0x00000000749B0000-0x00000000749DE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26
PID 980 wrote to memory of 1384	980	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c2f335b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c2f335b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1384-61-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

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memory/1384-62-0x00000000749B0000-0x00000000749DE000-memory.dmp

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memory/1384-64-0x0000000000120000-0x0000000000126000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads