f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5

General

Target

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
Size

874KB
MD5

bb159b6fe30e3c914feac5d4e1b85a61
SHA1

a3b639e1cf9d0ed3a73d2061dc40049508ea4e37
SHA256

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5
SHA512

85612cedcbaaad6c99be87a47d0fac373bacd35c36cbc23f3b64016ec507951bbe647d1108396495714cecaf6c12b75182853be08b9eaa47d79f0d3d500e2510
SSDEEP

24576:j7zJg8zjEqwBz3fMiRXAZPKGxBRkRPqM56qM02swTMx:j7za8zj/wBjMiXAtKiRi+qZ6Ax

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/4000-120-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/4000-122-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/4000-123-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-124-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/4000-125-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/4000-126-0x0000000000400000-0x0000000001400000-memory.dmp	upx
behavioral1/memory/4000-130-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-139-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-140-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-149-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-158-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-167-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-176-0x0000000000400000-0x00000000005D4000-memory.dmp	upx
behavioral1/memory/4000-187-0x0000000000400000-0x00000000005D4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

description	pid	process	target process
PID 3668 set thread context of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exef5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

pid	process
3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
4000	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
4000	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
4000	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
4000	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

pid process

3668 f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

description	pid	process	target process
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
PID 3668 wrote to memory of 4000	3668	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe	f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe

C:\Users\Admin\AppData\Local\Temp\f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
"C:\Users\Admin\AppData\Local\Temp\f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3668

C:\Users\Admin\AppData\Local\Temp\f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
C:\Users\Admin\AppData\Local\Temp\f5eb1e8b5561dc0f861d1edbf43bbc3eeda62ff8ce1cb9b286386248b158dfc5.exe
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4000

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3668-121-0x0000000000A20000-0x0000000000A24000-memory.dmp

Filesize
16KB

Download
memory/3668-119-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4000-135-0x0000000073CD0000-0x0000000073D1E000-memory.dmp

Filesize
312KB

Download
memory/4000-176-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-123-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-124-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4000-125-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4000-126-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4000-130-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-132-0x0000000072980000-0x00000000729F3000-memory.dmp

Filesize
460KB

Download
memory/4000-131-0x0000000072920000-0x0000000072971000-memory.dmp

Filesize
324KB

Download
memory/4000-134-0x00000000747C0000-0x0000000074924000-memory.dmp

Filesize
1.4MB

Download
memory/4000-188-0x0000000072920000-0x0000000072971000-memory.dmp

Filesize
324KB

Download
memory/4000-122-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/4000-133-0x0000000000010000-0x000000000001A000-memory.dmp

Filesize
40KB

Download
memory/4000-138-0x0000000074150000-0x0000000074164000-memory.dmp

Filesize
80KB

Download
memory/4000-137-0x0000000073A30000-0x0000000073A43000-memory.dmp

Filesize
76KB

Download
memory/4000-139-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-140-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-149-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-158-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-159-0x0000000072920000-0x0000000072971000-memory.dmp

Filesize
324KB

Download
memory/4000-167-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-136-0x0000000074120000-0x000000007414F000-memory.dmp

Filesize
188KB

Download
memory/4000-187-0x0000000000400000-0x00000000005D4000-memory.dmp

Filesize
1.8MB

Download
memory/4000-120-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads