dridex | 9258e2d77caf7e8e6917904cab2d85fb37f52ca5a6794419e0f5e1b2f0d00dca

Analysis

max time kernel
40s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 02:02

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General

Target
b0f20f75_by_Libranalysis.dll
Size 162KB
Sample210506-bebb1ktm4x
SHA256 9258e2d77caf7e8e6917904cab2d85fb37f52ca5a6794419e0f5e1b2f0d00dca
MD5 b0f20f75dc63497d45b45fbf68c80389
SHA1 c5733ad02f2e9266b8d769e5524ac16cf1c71b67
SHA512 62b17064d6ed9e99afc70fec30fe82da56885fd06dd68756b13f9d28a444a195ebd8dc3f29ac6b502848b8cde52341594ab9e5c15a1ee33c3369c556250a3ed7
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
behavioral2/memory/1384-115-0x0000000074160000-0x000000007418E000-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 3 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1384	1108	rundll32.exe	70
PID 1108 wrote to memory of 1384	1108	rundll32.exe	70
PID 1108 wrote to memory of 1384	1108	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f20f75_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f20f75_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

Replay Monitor

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Downloads

memory/1384-115-0x0000000074160000-0x000000007418E000-memory.dmp

Download

memory/1384-117-0x00000000009F0000-0x00000000009F6000-memory.dmp