dridex | ba2576abdbf6ec39a93f76b988f40f3255fbd3697be7d2b1b98636e13a988284

Analysis

max time kernel
68s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
18/04/2021, 14:44

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General

Target
ba2576abdbf6ec39a93f76b988f40f3255fbd3697be7d2b1b98636e13a988284.dll
Size 162KB
Sample210418-abbctrny3x
SHA256 ba2576abdbf6ec39a93f76b988f40f3255fbd3697be7d2b1b98636e13a988284
MD5 c9bb5865e164f6e1a6729d0e595db0a9
SHA1 75b56f0d00f0ef8652ef99bd0bb4ec9d7ac94241
SHA512 d086663c2d06148e906abb98a7667de6c35ee673fbf7fe531a1940e165035aa00550f79ad6758bb525aacbc8e41c5e9b4fb4fdc2c5b9b86876b6b6f14dfd8ccb
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/852-115-0x0000000073890000-0x00000000738BE000-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 3008 wrote to memory of 852	3008	rundll32.exe	71
PID 3008 wrote to memory of 852	3008	rundll32.exe	71
PID 3008 wrote to memory of 852	3008	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba2576abdbf6ec39a93f76b988f40f3255fbd3697be7d2b1b98636e13a988284.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba2576abdbf6ec39a93f76b988f40f3255fbd3697be7d2b1b98636e13a988284.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:852

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/852-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Download

memory/852-117-0x00000000007F0000-0x00000000007F6000-memory.dmp