871a6fc581cff72fd8a1286dfc725f684ee0f869160f4e2a9ec6c64267353450

General

Target

3f43121883e5be50ef9beb63bfe6931b.exe
Size

3.2MB
MD5

3f43121883e5be50ef9beb63bfe6931b
SHA1

42150c4e55748ff8d754d51b7a4d1d578f03f9e3
SHA256

871a6fc581cff72fd8a1286dfc725f684ee0f869160f4e2a9ec6c64267353450
SHA512

9c691b1aa5e67cc78dfc9f6fc89cda4b84b7aa2a71fb0c187ce78e64fc3582c418c695459658406ec4328a01541a32ed5515bb56776206d2f36c4118b85b56f2
SSDEEP

98304:5whFexVcakchS87ccakc5J1at2QucakchS87ccakcO:UGVdlhS87cdl5JskTdlhS87cdlO

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2156	3f43121883e5be50ef9beb63bfe6931b.exe

Executes dropped EXE 1 IoCs

pid	Process
2156	3f43121883e5be50ef9beb63bfe6931b.exe

Loads dropped DLL 1 IoCs

pid	Process
2068	3f43121883e5be50ef9beb63bfe6931b.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral1/files/0x000a00000001224a-11.dat	upx
behavioral1/memory/2068-16-0x0000000023430000-0x000000002368C000-memory.dmp	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
2608	schtasks.exe

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	3f43121883e5be50ef9beb63bfe6931b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	3f43121883e5be50ef9beb63bfe6931b.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	3f43121883e5be50ef9beb63bfe6931b.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	3f43121883e5be50ef9beb63bfe6931b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2068	3f43121883e5be50ef9beb63bfe6931b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2068	3f43121883e5be50ef9beb63bfe6931b.exe
2156	3f43121883e5be50ef9beb63bfe6931b.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2156	2068	3f43121883e5be50ef9beb63bfe6931b.exe	29
PID 2068 wrote to memory of 2156	2068	3f43121883e5be50ef9beb63bfe6931b.exe	29
PID 2068 wrote to memory of 2156	2068	3f43121883e5be50ef9beb63bfe6931b.exe	29
PID 2068 wrote to memory of 2156	2068	3f43121883e5be50ef9beb63bfe6931b.exe	29
PID 2156 wrote to memory of 2608	2156	3f43121883e5be50ef9beb63bfe6931b.exe	30
PID 2156 wrote to memory of 2608	2156	3f43121883e5be50ef9beb63bfe6931b.exe	30
PID 2156 wrote to memory of 2608	2156	3f43121883e5be50ef9beb63bfe6931b.exe	30
PID 2156 wrote to memory of 2608	2156	3f43121883e5be50ef9beb63bfe6931b.exe	30
PID 2156 wrote to memory of 1748	2156	3f43121883e5be50ef9beb63bfe6931b.exe	32
PID 2156 wrote to memory of 1748	2156	3f43121883e5be50ef9beb63bfe6931b.exe	32
PID 2156 wrote to memory of 1748	2156	3f43121883e5be50ef9beb63bfe6931b.exe	32
PID 2156 wrote to memory of 1748	2156	3f43121883e5be50ef9beb63bfe6931b.exe	32
PID 1748 wrote to memory of 2628	1748	cmd.exe	34
PID 1748 wrote to memory of 2628	1748	cmd.exe	34
PID 1748 wrote to memory of 2628	1748	cmd.exe	34
PID 1748 wrote to memory of 2628	1748	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe
"C:\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe
  C:\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe" /TN WAgLRKqP8c0d /F
    3⤵
    - Creates scheduled task(s)
    PID:2608
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN WAgLRKqP8c0d > C:\Users\Admin\AppData\Local\Temp\DH5VGMyEp.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN WAgLRKqP8c0d
      4⤵
      PID:2628

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DH5VGMyEp.xml

Filesize
1KB

MD5
96aa60045c7c184c6ce3a73bd387e1c3

SHA1
23a8361e783f6e75ec85f305bd9392f3b5ee5c8f

SHA256
f4f68f5be8665f72ecd08427aceb0886130717e0ac09df35368e3262e537eb22

SHA512
6f8d6635a1fca976bd41ad46de92ccf689461f7b2ce7bce1e87a20e4b7a1e8c502e5b06f15a15a03e63989152132f0ad7915bb2a7e0203a508b012f61ae4e56e

Download Submit
\Users\Admin\AppData\Local\Temp\3f43121883e5be50ef9beb63bfe6931b.exe

Filesize
3.2MB

MD5
b1d4f3365c227132a686a43cf6dcd5fd

SHA1
d82c12fac412dbab1705f03701d4baed65ef5e54

SHA256
5722b4496ba75ae3219adb56907f05cfd2aadba797dde5f281d1a6f1ec2e7062

SHA512
ca915afd2301d700fca6a78aef323f8c4b4673c47715c185e6de5d719ca790c353df945eb5f517cd31848e1761e450fc4308eb8587f8c3a23635bcb0afdf5d30

Download Submit
memory/2068-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2068-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2068-16-0x0000000023430000-0x000000002368C000-memory.dmp

Filesize
2.4MB

Download
memory/2068-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2068-2-0x0000000000380000-0x00000000003FE000-memory.dmp

Filesize
504KB

Download
memory/2068-54-0x0000000023430000-0x000000002368C000-memory.dmp

Filesize
2.4MB

Download
memory/2156-20-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2156-26-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2156-28-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/2156-22-0x0000000000350000-0x00000000003CE000-memory.dmp

Filesize
504KB

Download
memory/2156-55-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads