dridex | 4fe4f272686fc29402d3e8129492758b43ada06e45471351fa5400a45dfc4123

Analysis

max time kernel
25s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 18:03

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General

Target
79a3f15b_by_Libranalysis.dll
Size 162KB
Sample210506-19dfvtydhe
SHA256 4fe4f272686fc29402d3e8129492758b43ada06e45471351fa5400a45dfc4123
MD5 79a3f15bf9c8e1d7f5526007fe934a17
SHA1 a465b804e31149a6fe5af2b3e1d140927da92d19
SHA512 67ca466a8ec47bc786d46470fde2f5605f7b55504dd8caa4f8b728c6b0d9f0e55c1e3a521dcf54957e9952d698d8187fb6f2a5829800f3bd2d7553e02df8e071
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/8-115-0x00000000735E0000-0x000000007360E000-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 3968 wrote to memory of 8	3968	rundll32.exe	70
PID 3968 wrote to memory of 8	3968	rundll32.exe	70
PID 3968 wrote to memory of 8	3968	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\79a3f15b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\79a3f15b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:8

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/8-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Download

memory/8-117-0x0000000002770000-0x0000000002776000-memory.dmp