dridex | f7a751e7dd945c01b9b76f82017a41b4c9d1efe195ea9e4c2eaf63e61619cf0b

Analysis

max time kernel
21s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 07:08

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General

Target
f7a751e7dd945c01b9b76f82017a41b4c9d1efe195ea9e4c2eaf63e61619cf0b.dll
Size 162KB
Sample210418-ebeg4xmc76
SHA256 f7a751e7dd945c01b9b76f82017a41b4c9d1efe195ea9e4c2eaf63e61619cf0b
MD5 9a1c9dd5594a5e1f3733ceb6024c88f9
SHA1 eb03634dad29ac35cafaaf8e9d7f6b507026e976
SHA512 bb92028c8c35ac4bfbc001a92b4750436239806132161d49ede713e849b0199eea9264e29949eb8b1cd89b748b89591432d2505d005cd0de3c2b429fa8028d1f
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/1884-115-0x0000000073B80000-0x0000000073BAE000-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 3984 wrote to memory of 1884	3984	rundll32.exe	40
PID 3984 wrote to memory of 1884	3984	rundll32.exe	40
PID 3984 wrote to memory of 1884	3984	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7a751e7dd945c01b9b76f82017a41b4c9d1efe195ea9e4c2eaf63e61619cf0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7a751e7dd945c01b9b76f82017a41b4c9d1efe195ea9e4c2eaf63e61619cf0b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1884

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/1884-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

Download

memory/1884-117-0x0000000000580000-0x00000000006CA000-memory.dmp