340c187e735cbcc71dff11291f14bee3b1ba78a2348e33fb48a407cc44a56f28

General

Target

1f3bd854140d6aa69b7d0eddea23cdbb.exe
Size

5.5MB
MD5

1f3bd854140d6aa69b7d0eddea23cdbb
SHA1

e18747044dc87d0e90468649d79ec5f1c1994f2c
SHA256

340c187e735cbcc71dff11291f14bee3b1ba78a2348e33fb48a407cc44a56f28
SHA512

d027db85af96fae0d290060baed1dc6e616afca0a6598082fdfff4638a37168c38234d313abb973a6275a55309eae6463d2cb1f4fbba9539a074b92442e7a48c
SSDEEP

49152:HdkFxrlEsDGsL5CELGU85z079G61Dj/byyEJ6rhf/XWjay3vRmCFOGNj8mW4JH5I:91HRz0pf1jTU35mCckFR+vicS43

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2416	1f3bd854140d6aa69b7d0eddea23cdbb.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	1f3bd854140d6aa69b7d0eddea23cdbb.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000400000-0x0000000000D9E000-memory.dmp	upx
behavioral1/files/0x000a000000012247-11.dat	upx
behavioral1/files/0x000a000000012247-14.dat	upx
behavioral1/memory/2416-15-0x0000000000400000-0x0000000000D9E000-memory.dmp	upx

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	1f3bd854140d6aa69b7d0eddea23cdbb.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	1f3bd854140d6aa69b7d0eddea23cdbb.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	1f3bd854140d6aa69b7d0eddea23cdbb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	1f3bd854140d6aa69b7d0eddea23cdbb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe
2416	1f3bd854140d6aa69b7d0eddea23cdbb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2416	1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe	28
PID 1984 wrote to memory of 2416	1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe	28
PID 1984 wrote to memory of 2416	1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe	28
PID 1984 wrote to memory of 2416	1984	1f3bd854140d6aa69b7d0eddea23cdbb.exe	28

C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe
"C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe
  C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe

Filesize
5.5MB

MD5
268d7d047da48b17c85fdf4f158cfcbf

SHA1
0041c13bf3d8b49b8e9ac46de98abe978ce4339a

SHA256
451500559e1343a62da64530422cc2b7776b03d1834036c8b91e73bac2461997

SHA512
72f0637fefc7273c863bd25d632b1c50ce52ba45c6e46899607ad7012474fd56957125e96d084127a151ab8bcb537cda29b33c37e4b6194c7382b3ba6fc348dd

Download Submit
\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe

Filesize
384KB

MD5
78c168160d5664887411a0f3c938ef8d

SHA1
7124d526434cfeb17a883e90322bd175fcca4c28

SHA256
edf06b6d1ec7c295e250a9e0fd0cb6757938e2f5c68ecff0c09fd2757bff92d1

SHA512
c4240070b989ed4db7b670f3eab28a06289029e79b4a1a4858be0342b39e55a512bd864ce2caf9233d2c9474947cc0e8ec3ee28d8a7daddc30e9973636d2d943

Download Submit
memory/1984-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/1984-1-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1984-2-0x0000000001FA0000-0x00000000021FA000-memory.dmp

Filesize
2.4MB

Download
memory/1984-40-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/2416-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/2416-16-0x0000000001FA0000-0x00000000021FA000-memory.dmp

Filesize
2.4MB

Download
memory/2416-41-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing