40a4a40ce20b2cc166f429b0a16dac5757e15952a2580f14034a11448251040b

General

Target

8b436697546c55affeca4d296a94d865.exe
Size

133KB
MD5

8b436697546c55affeca4d296a94d865
SHA1

f17670507c187d9ec295d8e1a7ded1fde37344c8
SHA256

40a4a40ce20b2cc166f429b0a16dac5757e15952a2580f14034a11448251040b
SHA512

64e286aef800e551ead85230659b44bd34a5b0aa79cdcd6573d594ee25238a874c16f1bca53c96f6439dd0326cc66b430d62c57a44f7176f1f7d8e2e267a6b14
SSDEEP

3072:l6Byi2HgHcQ6GG4fxMxoOFXZHzGKg7AjQSZdKzWZoQ:l6By1gHcJ0ooKX1GKgMjQSZdKzEoQ

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	8b436697546c55affeca4d296a94d865.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	8b436697546c55affeca4d296a94d865.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	8b436697546c55affeca4d296a94d865.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2212-5-0x0000000000400000-0x0000000000486000-memory.dmp	upx
behavioral1/files/0x000c00000001232d-11.dat	upx
behavioral1/memory/2212-14-0x0000000000320000-0x00000000003A6000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	8b436697546c55affeca4d296a94d865.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	8b436697546c55affeca4d296a94d865.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	8b436697546c55affeca4d296a94d865.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	8b436697546c55affeca4d296a94d865.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2212	8b436697546c55affeca4d296a94d865.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2212	8b436697546c55affeca4d296a94d865.exe
2376	8b436697546c55affeca4d296a94d865.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2376	2212	8b436697546c55affeca4d296a94d865.exe	15
PID 2212 wrote to memory of 2376	2212	8b436697546c55affeca4d296a94d865.exe	15
PID 2212 wrote to memory of 2376	2212	8b436697546c55affeca4d296a94d865.exe	15
PID 2212 wrote to memory of 2376	2212	8b436697546c55affeca4d296a94d865.exe	15

C:\Users\Admin\AppData\Local\Temp\8b436697546c55affeca4d296a94d865.exe
C:\Users\Admin\AppData\Local\Temp\8b436697546c55affeca4d296a94d865.exe
1⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2376

C:\Users\Admin\AppData\Local\Temp\8b436697546c55affeca4d296a94d865.exe
"C:\Users\Admin\AppData\Local\Temp\8b436697546c55affeca4d296a94d865.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2212

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\8b436697546c55affeca4d296a94d865.exe

Filesize
133KB

MD5
a875943fc61e52c672c854a0c4e74f55

SHA1
6b2a60152d63180bef0b6eba548e84382552e7c3

SHA256
5bdd49dc366d42352d6301bce7543720665234fdc4226adec73d9cee224382c8

SHA512
960d175e17eedb5904c16c5b1f0464e9248367665837de41840c455b5d9d3343f9fd7e1acc4658e3561e1464ca0e11b513044e941acdac107d18c095a04f03ff

Download Submit
memory/2212-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2212-5-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2212-7-0x00000000002F0000-0x0000000000311000-memory.dmp

Filesize
132KB

Download
memory/2212-15-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2212-14-0x0000000000320000-0x00000000003A6000-memory.dmp

Filesize
536KB

Download
memory/2212-43-0x0000000000320000-0x00000000003A6000-memory.dmp

Filesize
536KB

Download
memory/2376-18-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2376-20-0x00000000001E0000-0x0000000000201000-memory.dmp

Filesize
132KB

Download
memory/2376-44-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download

Analysis

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