dridex | fbcc206fb80ce5fc9fb879f4a025eab31cb3f91cdbec085846a126a14949341f

Analysis

max time kernel
59s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 04:10

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General

Target
fbcc206fb80ce5fc9fb879f4a025eab31cb3f91cdbec085846a126a14949341f.dll
Size 162KB
Sample210419-vhdc8kjfe2
SHA256 fbcc206fb80ce5fc9fb879f4a025eab31cb3f91cdbec085846a126a14949341f
MD5 423a40c7c894c02ea02ed07c4874ec06
SHA1 a0cc3ebbf4fb92ca6a54120b05ce60d7ade2d8df
SHA512 dccb7dc3437b63453723512f6b12b0d1905c73d5bb74287e8c16ea0eace9d8df5646ef52a9487471adfbc6b341a6df64ebd4c44e3252bcd0a92218fe1f52c9d4
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/3964-115-0x0000000073860000-0x000000007388E000-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 3944 wrote to memory of 3964	3944	rundll32.exe	70
PID 3944 wrote to memory of 3964	3944	rundll32.exe	70
PID 3944 wrote to memory of 3964	3944	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbcc206fb80ce5fc9fb879f4a025eab31cb3f91cdbec085846a126a14949341f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbcc206fb80ce5fc9fb879f4a025eab31cb3f91cdbec085846a126a14949341f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3964

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/3964-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/3964-117-0x00000000031A0000-0x00000000031A6000-memory.dmp