55efb1b5f78024b4f2fbe3dc3825d057ac9afadc4a7fc9dcc324cd122a1433e6

General

Target

a9f6f05d592678d6495565868b138970.exe
Size

2.6MB
MD5

a9f6f05d592678d6495565868b138970
SHA1

6d7b153f72fdebd4bdb88021c77a2dcff9aed3ca
SHA256

55efb1b5f78024b4f2fbe3dc3825d057ac9afadc4a7fc9dcc324cd122a1433e6
SHA512

6d058c26a5e1f618b1cd99a7c20d0c46a914d820bc01956cab04c0975a9d1bad3487ad1c279c2cd9acc988f5a98762acd678400febaa2705f155e507ceac6c63
SSDEEP

49152:TQIodCDTXgcs2a/bbuPcRvr+Z9Av2WSLJ+5aATay3:lqMwx3uKd3

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1768	a9f6f05d592678d6495565868b138970.exe

Executes dropped EXE 1 IoCs

pid	Process
1768	a9f6f05d592678d6495565868b138970.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	a9f6f05d592678d6495565868b138970.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2412-0-0x0000000000400000-0x0000000000D9E000-memory.dmp	upx
behavioral1/files/0x000e000000012248-11.dat	upx

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	a9f6f05d592678d6495565868b138970.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	a9f6f05d592678d6495565868b138970.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	a9f6f05d592678d6495565868b138970.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	a9f6f05d592678d6495565868b138970.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2412	a9f6f05d592678d6495565868b138970.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2412	a9f6f05d592678d6495565868b138970.exe
1768	a9f6f05d592678d6495565868b138970.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1768	2412	a9f6f05d592678d6495565868b138970.exe	28
PID 2412 wrote to memory of 1768	2412	a9f6f05d592678d6495565868b138970.exe	28
PID 2412 wrote to memory of 1768	2412	a9f6f05d592678d6495565868b138970.exe	28
PID 2412 wrote to memory of 1768	2412	a9f6f05d592678d6495565868b138970.exe	28

C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe
"C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe
  C:\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1768

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

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Downloads

\Users\Admin\AppData\Local\Temp\a9f6f05d592678d6495565868b138970.exe

Filesize
2.6MB

MD5
81574d7e7dba08697fbbebf8a77a83a2

SHA1
16c21e46ac522e303bb8fb15b385c1c87d6e2b4b

SHA256
c16a170b35180d5ecb9729ee39fc8039821f234ccaa26a8c034ee933042e48fb

SHA512
106dee229ffae2a50ebec7dad57bf59c31306ab3cc7da0b8086a704680dac45967a613bfe4fa239eaa6870a3a8e3e5367ddc330aab5f8a9c38c46e012bf3bcd6

Download Submit
memory/1768-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/1768-21-0x0000000002260000-0x00000000024BA000-memory.dmp

Filesize
2.4MB

Download
memory/1768-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/2412-1-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2412-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/2412-2-0x0000000001FA0000-0x00000000021FA000-memory.dmp

Filesize
2.4MB

Download
memory/2412-15-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2412-16-0x00000000038A0000-0x000000000423E000-memory.dmp

Filesize
9.6MB

Download
memory/2412-42-0x00000000038A0000-0x000000000423E000-memory.dmp

Filesize
9.6MB

Download

Analysis

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