dridex | 0e95b0ed6336167f5a411924cacbfa921e4428cbe962e9dcef4dbb97c7ec2dfd

Analysis

max time kernel
63s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
28/04/2021, 01:01

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General

Target
fbf8cd89_by_Libranalysis.dll
Size 162KB
Sample210428-a1ctb69tya
SHA256 0e95b0ed6336167f5a411924cacbfa921e4428cbe962e9dcef4dbb97c7ec2dfd
MD5 fbf8cd89b6ec4b761e108e64460926b5
SHA1 af93cb18ef7910d418ba3de246cdd40f7c825253
SHA512 8d50ab9f8c5bff7726b2d3f968b4ad0e8d50f19dde60df75f8e4b3d766c82b6e115848889a6487fbb25a834cef6193da49db6c2e540968ee2707c38d52b96013
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/3764-115-0x0000000073DE0000-0x0000000073E0E000-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 3892 wrote to memory of 3764	3892	rundll32.exe	71
PID 3892 wrote to memory of 3764	3892	rundll32.exe	71
PID 3892 wrote to memory of 3764	3892	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf8cd89_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbf8cd89_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3764

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/3764-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Download

memory/3764-117-0x0000000000A00000-0x0000000000A06000-memory.dmp