dridex | 865850e2f1e05c376ae12c4435d2ce0ada38ca17a4d99981d1f10b97205d370d

Analysis

max time kernel
126s
max time network
126s
platform
windows10_x64
resource
win10v20210408
submitted
29/04/2021, 10:07

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General

Target
a339a4c8_by_Libranalysis.dll
Size 162KB
Sample210429-2sarr9phd6
SHA256 865850e2f1e05c376ae12c4435d2ce0ada38ca17a4d99981d1f10b97205d370d
MD5 a339a4c80075f55fcd1f5bccdf47409e
SHA1 4dda3bc513c10e8fb530631e67c01629eb88193a
SHA512 b0bc46f77cb8ea5b714ae2b179bc251adc31219fd82c81ef8d0900fc3f0e7fe2187614e273baab7ed7d5e29b59e541841ee50bca5112cf18cb5117acd7726f7f
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/492-115-0x0000000074440000-0x000000007446E000-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 808 wrote to memory of 492	808	rundll32.exe	68
PID 808 wrote to memory of 492	808	rundll32.exe	68
PID 808 wrote to memory of 492	808	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a339a4c8_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a339a4c8_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:492

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/492-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/492-117-0x0000000003620000-0x0000000003626000-memory.dmp