8529e083a9c52a9b1fd1b65c08d3c53e770c8c435a870920745077269420f4cd

General

Target

b4cb24e6c6eb245a30378fb56c54fc36.exe
Size

1.6MB
MD5

b4cb24e6c6eb245a30378fb56c54fc36
SHA1

efad66aa2f384000cca48149464f79ed663bace1
SHA256

8529e083a9c52a9b1fd1b65c08d3c53e770c8c435a870920745077269420f4cd
SHA512

30d44d10ca6b062a873ecc3678ac40550d7f6a094d1011a3c856fac27911ed39f1d141a0d5ed15dc0f246a874b9a2cb207ed3f6f7179d976001814c2af614f52
SSDEEP

49152:ZnyBFrBdPu9ybqFgGjcakLz0XWzJy581Sa3cakLz0O:UBFrBdPu9ybGXjcakcmzU581lcakcO

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2820	b4cb24e6c6eb245a30378fb56c54fc36.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	b4cb24e6c6eb245a30378fb56c54fc36.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	b4cb24e6c6eb245a30378fb56c54fc36.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral1/files/0x000b00000001223f-11.dat	upx
behavioral1/files/0x000b00000001223f-13.dat	upx
behavioral1/files/0x000b00000001223f-15.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1984	schtasks.exe

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\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	b4cb24e6c6eb245a30378fb56c54fc36.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	b4cb24e6c6eb245a30378fb56c54fc36.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	b4cb24e6c6eb245a30378fb56c54fc36.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	b4cb24e6c6eb245a30378fb56c54fc36.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2304	b4cb24e6c6eb245a30378fb56c54fc36.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2304	b4cb24e6c6eb245a30378fb56c54fc36.exe
2820	b4cb24e6c6eb245a30378fb56c54fc36.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2820	2304	b4cb24e6c6eb245a30378fb56c54fc36.exe	29
PID 2304 wrote to memory of 2820	2304	b4cb24e6c6eb245a30378fb56c54fc36.exe	29
PID 2304 wrote to memory of 2820	2304	b4cb24e6c6eb245a30378fb56c54fc36.exe	29
PID 2304 wrote to memory of 2820	2304	b4cb24e6c6eb245a30378fb56c54fc36.exe	29
PID 2820 wrote to memory of 1984	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	30
PID 2820 wrote to memory of 1984	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	30
PID 2820 wrote to memory of 1984	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	30
PID 2820 wrote to memory of 1984	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	30
PID 2820 wrote to memory of 2852	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	33
PID 2820 wrote to memory of 2852	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	33
PID 2820 wrote to memory of 2852	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	33
PID 2820 wrote to memory of 2852	2820	b4cb24e6c6eb245a30378fb56c54fc36.exe	33
PID 2852 wrote to memory of 2776	2852	cmd.exe	34
PID 2852 wrote to memory of 2776	2852	cmd.exe	34
PID 2852 wrote to memory of 2776	2852	cmd.exe	34
PID 2852 wrote to memory of 2776	2852	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe
"C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe
  C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe" /TN uhTCmbCqd877 /F
    3⤵
    - Creates scheduled task(s)
    PID:1984
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN uhTCmbCqd877 > C:\Users\Admin\AppData\Local\Temp\6dJtM.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN uhTCmbCqd877
      4⤵
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe

Filesize
474KB

MD5
9cb97cda518a41a5acf48cb04a37867a

SHA1
b5a05d2000e739584980c7fcf1983fde273c4237

SHA256
b9c2d151adf0d21b78fc6dcbb711d394eb4610ce792a1295513123d00d10b954

SHA512
8fde0eeccf1db1cd35de8d5be81d478b8d95baf1565c008e14157bab2174e6c4c1aa6a91f4eddb45fda449b6f2a10cb85d4f49fca8701e9b229061b92a0dd2e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe

Filesize
303KB

MD5
924c3c8621473e1863cf6242ed0d68d2

SHA1
30c872a18c6caf15eafe06a89f3ea65938901f8d

SHA256
e206c15bbd4510f47025dccb2bd5e7920317eaa1d600bdcde2260af3be30d8bc

SHA512
fe9a8e148ed4a5df5656c492a7b3db645d0d916d44c5c533cfacaedf77db3a62c191fb11904a8cdd64b81c62ef93c4e6be542a11c812f7c414ade1592d183966

Download Submit
\Users\Admin\AppData\Local\Temp\b4cb24e6c6eb245a30378fb56c54fc36.exe

Filesize
331KB

MD5
cbd37657d8d538d2427cf083c6f4a40d

SHA1
1d3c5226f5167c256a8acbfea80105785e4fa130

SHA256
8b69d553bea8e57dfc4911ff311722a4587a19c27f7773460d8595085ec14688

SHA512
96aa499a46fd99eeb55b8458f057d443388bee8cf9943706bf79bf4568353e67409ae3f94395e5957099121c84b37873695bca17e67880eee7a15fce5840577a

Download Submit
memory/2304-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2304-17-0x00000000230C0000-0x000000002331C000-memory.dmp

Filesize
2.4MB

Download
memory/2304-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2304-7-0x0000000000380000-0x00000000003FE000-memory.dmp

Filesize
504KB

Download
memory/2304-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2820-19-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2820-21-0x0000000001660000-0x00000000016DE000-memory.dmp

Filesize
504KB

Download
memory/2820-28-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/2820-26-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2820-53-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads