dridex | a87326bf357aa9cb8ab65ef481c8e67ba20daef41235a0c199af39bc053a492f

Analysis

max time kernel
79s
max time network
91s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 19:13

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General

Target
a87326bf357aa9cb8ab65ef481c8e67ba20daef41235a0c199af39bc053a492f.dll
Size 208KB
Sample210317-n2ctxbbv9j
SHA256 a87326bf357aa9cb8ab65ef481c8e67ba20daef41235a0c199af39bc053a492f
MD5 64db167bcc472dff141e32b594a6878e
SHA1 9c324cfbc5baa224033e07f3ae9dc3d68e921ec5
SHA512 473068a501f8e0c0049d3d9fcd103bf59cf2958a39943f7eaa1e6e9ae015a3bda5363cf07b9c10fbff68818c45a15245c6fcabf9bf9a8ca2bf31f3e6b7f7ced1
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1932-4-0x0000000074680000-0x00000000746B6000-memory.dmp	dridex_ldr
behavioral1/memory/1932-6-0x0000000074680000-0x00000000746A1000-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 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25
PID 308 wrote to memory of 1932	308	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a87326bf357aa9cb8ab65ef481c8e67ba20daef41235a0c199af39bc053a492f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a87326bf357aa9cb8ab65ef481c8e67ba20daef41235a0c199af39bc053a492f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1932

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/1932-3-0x0000000075C61000-0x0000000075C63000-memory.dmp

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memory/1932-4-0x0000000074680000-0x00000000746B6000-memory.dmp

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memory/1932-5-0x0000000000190000-0x0000000000196000-memory.dmp

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memory/1932-6-0x0000000074680000-0x00000000746A1000-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