201001-nyhbt4p25j_pw_infected[.]rar | Triage

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Analysis

max time kernel
9s
platform
windows10_x64
resource
win10v200722
submitted
01-10-2020 20:51

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Report Analysis Logs

General

Target

201001-nyhbt4p25j_pw_infected/Keygen — копия (31) — копия.exe

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Keygen.exe

pid process

3864 Keygen.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 2 IoCs
evasion

Processes:

timeout.exetimeout.exe

pid process

3976 timeout.exe
184 timeout.exe
Modifies registry class 1 IoCs

Processes:

description ioc

Key created \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Keygen.exe

pid process

3864 Keygen.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

description	pid	target process
PID 2688 wrote to memory of 3864	2688	Keygen.exe
PID 2688 wrote to memory of 3864	2688	Keygen.exe
PID 2688 wrote to memory of 3864	2688	Keygen.exe
PID 2688 wrote to memory of 3404	2688	mshta.exe
PID 2688 wrote to memory of 3404	2688	mshta.exe
PID 2688 wrote to memory of 3404	2688	mshta.exe
PID 2688 wrote to memory of 3292	2688	mshta.exe
PID 2688 wrote to memory of 3292	2688	mshta.exe
PID 2688 wrote to memory of 3292	2688	mshta.exe
PID 2688 wrote to memory of 3976	2688	timeout.exe
PID 2688 wrote to memory of 3976	2688	timeout.exe
PID 2688 wrote to memory of 3976	2688	timeout.exe
PID 2688 wrote to memory of 3332	2688	mshta.exe
PID 2688 wrote to memory of 3332	2688	mshta.exe
PID 2688 wrote to memory of 3332	2688	mshta.exe
PID 2688 wrote to memory of 3252	2688	mshta.exe
PID 2688 wrote to memory of 3252	2688	mshta.exe
PID 2688 wrote to memory of 3252	2688	mshta.exe
PID 2688 wrote to memory of 184	2688	timeout.exe
PID 2688 wrote to memory of 184	2688	timeout.exe
PID 2688 wrote to memory of 184	2688	timeout.exe

C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\Keygen.exe
Keygen.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3864

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\m.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
PID:3404

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\m1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
PID:3292

C:\Windows\SysWOW64\timeout.exe
timeout 1
1⤵
- Delays execution with timeout.exe
PID:3976

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\b.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
PID:3332

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\b1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
PID:3252

C:\Windows\SysWOW64\timeout.exe
timeout 2
1⤵
- Delays execution with timeout.exe
PID:184

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\BA8B.tmp\start.bat

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memory/184-16-0x0000000000000000-mapping.dmp

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memory/3252-14-0x0000000000000000-mapping.dmp

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memory/3292-9-0x0000000000000000-mapping.dmp

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memory/3332-12-0x0000000000000000-mapping.dmp

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memory/3404-7-0x0000000000000000-mapping.dmp

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memory/3864-3-0x0000000000000000-mapping.dmp

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memory/3864-2-0x0000000000000000-mapping.dmp

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memory/3976-10-0x0000000000000000-mapping.dmp

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