dridex | 17eef67eaf23596b84313689a0b3c71b29dccdb097e1801e91d3d68345c12cdf

Analysis

max time kernel
34s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
29/04/2021, 21:06

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General

Target
a035fb1b_by_Libranalysis.dll
Size 162KB
Sample210429-crbs9rc15s
SHA256 17eef67eaf23596b84313689a0b3c71b29dccdb097e1801e91d3d68345c12cdf
MD5 a035fb1b0f6f1527a127c11860623258
SHA1 c43e7ee557a7f1ae000a6a5a113d4f36d181ae3e
SHA512 0e1cd87e6fd1c34bb3d592211b878548c746028a1009e0ec9d59a6d5cad33197524539be0ec92abb2ff251ed2081c7149ccd4db9f74fc146b839ab4ecf8aba03
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
behavioral1/memory/2004-62-0x0000000074930000-0x000000007495E000-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 7 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25
PID 1060 wrote to memory of 2004	1060	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a035fb1b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a035fb1b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2004

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

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Downloads

memory/2004-61-0x0000000075C31000-0x0000000075C33000-memory.dmp

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memory/2004-62-0x0000000074930000-0x000000007495E000-memory.dmp

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memory/2004-64-0x0000000000120000-0x0000000000126000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads