41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b

General

Target

41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe
Size

690KB
MD5

83277dc9f232adb4e4abf34d57591de0
SHA1

14f3bf917cd3cf3d195be7b6c72ef37e502e5a31
SHA256

41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b
SHA512

b8c72b5021891b3dcff8a07b92f2cdb5dd5915ab667829e1b0080cc5c176033915ff9d041346aedbe71b640eaa502321ea0a39a5f07802778e6119b2b85dc6d2
SSDEEP

12288:d6vp0bhWjLK1hFAgJZCBg9YqR8K+4B5ZjizaXkl0dOheo5aMDPSZVHF2qE:d6vKbGMJZkq73fpizaUl0EhJDTSZVlJE

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1516-55-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx
behavioral1/memory/1516-59-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx
behavioral1/memory/1516-58-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx
behavioral1/memory/1516-62-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx
behavioral1/memory/1516-63-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx
behavioral1/memory/1612-66-0x0000000001DC0000-0x0000000001F11000-memory.dmp	upx
behavioral1/memory/1612-69-0x0000000001DC0000-0x0000000001F11000-memory.dmp	upx
behavioral1/memory/1612-70-0x0000000001DC0000-0x0000000001F11000-memory.dmp	upx
behavioral1/memory/1612-71-0x0000000001DC0000-0x0000000001F11000-memory.dmp	upx
behavioral1/memory/1612-73-0x0000000001DC0000-0x0000000001F11000-memory.dmp	upx
behavioral1/memory/1516-75-0x0000000001DE0000-0x0000000001F31000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~2\is7103302.log	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe
1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe
1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1612	1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe	27
PID 1516 wrote to memory of 1612	1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe	27
PID 1516 wrote to memory of 1612	1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe	27
PID 1516 wrote to memory of 1612	1516	41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe	27

C:\Users\Admin\AppData\Local\Temp\41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe
"C:\Users\Admin\AppData\Local\Temp\41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe"
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe
  "C:\Users\Admin\AppData\Local\Temp\41919df79da85557d6b65d1e7a529c215fd28ddf9188363c8f083a85ba4ef01b.exe" /_ShowProgress
  2⤵
  PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1516-62-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-75-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-59-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-58-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1516-61-0x0000000000250000-0x00000000002FD000-memory.dmp

Filesize
692KB

Download
memory/1516-55-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-63-0x0000000001DE0000-0x0000000001F31000-memory.dmp

Filesize
1.3MB

Download
memory/1516-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1612-64-0x0000000000000000-mapping.dmp

Download
memory/1612-69-0x0000000001DC0000-0x0000000001F11000-memory.dmp

Filesize
1.3MB

Download
memory/1612-70-0x0000000001DC0000-0x0000000001F11000-memory.dmp

Filesize
1.3MB

Download
memory/1612-71-0x0000000001DC0000-0x0000000001F11000-memory.dmp

Filesize
1.3MB

Download
memory/1612-73-0x0000000001DC0000-0x0000000001F11000-memory.dmp

Filesize
1.3MB

Download
memory/1612-66-0x0000000001DC0000-0x0000000001F11000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing