dridex | 555e1c2a91e7fd4dcadfec27d7da09fd3082ce712e11b8db7723c2b949635900

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
12/05/2021, 17:03

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General

Target
56f5537f_by_Libranalysis.dll
Size 162KB
Sample210512-1abnfftra2
SHA256 555e1c2a91e7fd4dcadfec27d7da09fd3082ce712e11b8db7723c2b949635900
MD5 56f5537fb993ac778291b41de6abe475
SHA1 fbd4630c4c54d131e73c98017cc48277e7fafab8
SHA512 681bf150b7825a68e1ee1ccd06dc881b2b7b80c2161b728ac86307cbd2df3144fdab5a1bf33692d89b8e9e3c2ea71da5c46959c942017bd2d3027d25a413186c
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/2760-115-0x0000000073860000-0x000000007388E000-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 4004 wrote to memory of 2760	4004	rundll32.exe	69
PID 4004 wrote to memory of 2760	4004	rundll32.exe	69
PID 4004 wrote to memory of 2760	4004	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\56f5537f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\56f5537f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2760

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/2760-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/2760-117-0x0000000000800000-0x0000000000806000-memory.dmp