201001-nyhbt4p25j_pw_infected[.]rar

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Keygen.exe

pid process

3016 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

4024 timeout.exe
2644 timeout.exe
Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings cmd.exe

pid	process
3016	Keygen.exe

pid	process
4024	timeout.exe
2644	timeout.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

Keygen — копия — копия (3).execmd.exe

description	pid	process	target process
PID 2080 wrote to memory of 3876	2080	Keygen — копия — копия (3).exe	cmd.exe
PID 2080 wrote to memory of 3876	2080	Keygen — копия — копия (3).exe	cmd.exe
PID 2080 wrote to memory of 3876	2080	Keygen — копия — копия (3).exe	cmd.exe
PID 3876 wrote to memory of 3016	3876	cmd.exe	Keygen.exe
PID 3876 wrote to memory of 3016	3876	cmd.exe	Keygen.exe
PID 3876 wrote to memory of 3016	3876	cmd.exe	Keygen.exe
PID 3876 wrote to memory of 60	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 60	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 60	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 2228	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 2228	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 2228	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 4024	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 4024	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 4024	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 3276	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 3276	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 3276	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 3788	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 3788	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 3788	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 2644	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 2644	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 2644	3876	cmd.exe	timeout.exe
PID 3876 wrote to memory of 184	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 184	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 184	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 940	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 940	3876	cmd.exe	mshta.exe
PID 3876 wrote to memory of 940	3876	cmd.exe	mshta.exe

C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия — копия (3).exe
"C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — копия — копия (3).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BC31.tmp\start.bat" "C:\Users\Admin\AppData\Local\Temp\201001-nyhbt4p25j_pw_infected\Keygen — ????? — ????? (3).exe""
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3876

C:\Users\Admin\AppData\Local\Temp\BC31.tmp\Keygen.exe
Keygen.exe
3⤵
- Executes dropped EXE
PID:3016

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\m.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:60

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\m1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:2228

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:4024

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\b.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:3276

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\b1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:3788

C:\Windows\SysWOW64\timeout.exe
timeout 2
3⤵
- Delays execution with timeout.exe
PID:2644

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\ba.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:184

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\BC31.tmp\ba1.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
PID:940

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BC31.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\Keygen.exe

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\b.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\b1.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\ba.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\ba1.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\m.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\m1.hta

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C:\Users\Admin\AppData\Local\Temp\BC31.tmp\start.bat

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memory/60-7-0x0000000000000000-mapping.dmp

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memory/184-17-0x0000000000000000-mapping.dmp

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memory/940-19-0x0000000000000000-mapping.dmp

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memory/2228-9-0x0000000000000000-mapping.dmp

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memory/2644-15-0x0000000000000000-mapping.dmp

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memory/3016-3-0x0000000000000000-mapping.dmp

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memory/3016-2-0x0000000000000000-mapping.dmp

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memory/3276-12-0x0000000000000000-mapping.dmp

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memory/3788-14-0x0000000000000000-mapping.dmp

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memory/3876-0-0x0000000000000000-mapping.dmp

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memory/4024-10-0x0000000000000000-mapping.dmp

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