f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8

General

Target

f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
Size

2.4MB
MD5

aef8e3aca1dd4001b2a1d08ca9263b1b
SHA1

7174a20707f704a25a47c4a35f132034647eb24f
SHA256

f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8
SHA512

121019179d77d0031121424a111e22dc1c2704f394be381999fa1bce4de507011ea9be0ee3257a0aa2d9108521adb6334f35dd2b992ab47e341d5d6f4b31b9ab
SSDEEP

49152:bFn7G4/Kx7vwbkH+7yxto5sl2XCL9HD35JH0mXGaTF9BDrJQvExcPXiHsq:b57G4ccbke7wto5slxL9HzbBWaTjBrLb

Score

7^/10

upx vmprotect

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0032000000014ab9-17.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2816	usbtechsh.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
2616	cmd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0032000000014ab9-17.dat	upx
behavioral1/memory/2148-19-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2148-22-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/2148-21-0x0000000010000000-0x000000001003D000-memory.dmp	upx

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000400000-0x0000000000963000-memory.dmp	vmprotect
behavioral1/memory/2148-1-0x0000000000400000-0x0000000000963000-memory.dmp	vmprotect
behavioral1/memory/2148-26-0x0000000000400000-0x0000000000963000-memory.dmp	vmprotect
behavioral1/memory/2148-27-0x0000000000400000-0x0000000000963000-memory.dmp	vmprotect

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2616	2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe	29
PID 2148 wrote to memory of 2616	2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe	29
PID 2148 wrote to memory of 2616	2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe	29
PID 2148 wrote to memory of 2616	2148	f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe	29
PID 2616 wrote to memory of 2816	2616	cmd.exe	31
PID 2616 wrote to memory of 2816	2616	cmd.exe	31
PID 2616 wrote to memory of 2816	2616	cmd.exe	31
PID 2616 wrote to memory of 2816	2616	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe
"C:\Users\Admin\AppData\Local\Temp\f50c9b0efa555496e5421d0889f2d74ace20af8456d130e618f7857cacd62ad8.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\usb\usbtechsh.exe -list
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\usb\usbtechsh.exe
    C:\usb\usbtechsh.exe -list
    3⤵
    - Executes dropped EXE
    PID:2816

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

C:\usb\usbtechsh.exe

Filesize
220KB

MD5
bbbedc7b528797ffb5a906129ba220df

SHA1
612af05ffbb1690361f94a2455bbde4c828d5227

SHA256
fb08c198d3a3f678603174da463bac7ab76a9b8246a6d7000054085607d0634c

SHA512
4d6e2f87dba80f2fec161f38800eb56a554cf991d274393dc787ca4ac86797414e7049a4d20f6992ad23823c370a2e3aaa29d81dd019f50db13a90763d092316

Download Submit
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll

Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
\usb\usbtechsh.exe

Filesize
220KB

MD5
bbbedc7b528797ffb5a906129ba220df

SHA1
612af05ffbb1690361f94a2455bbde4c828d5227

SHA256
fb08c198d3a3f678603174da463bac7ab76a9b8246a6d7000054085607d0634c

SHA512
4d6e2f87dba80f2fec161f38800eb56a554cf991d274393dc787ca4ac86797414e7049a4d20f6992ad23823c370a2e3aaa29d81dd019f50db13a90763d092316

Download Submit
memory/2148-12-0x0000000075310000-0x0000000075311000-memory.dmp

Filesize
4KB

Download
memory/2148-8-0x0000000075310000-0x0000000075311000-memory.dmp

Filesize
4KB

Download
memory/2148-13-0x0000000077910000-0x0000000077911000-memory.dmp

Filesize
4KB

Download
memory/2148-0-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download
memory/2148-4-0x0000000077910000-0x0000000077911000-memory.dmp

Filesize
4KB

Download
memory/2148-19-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2148-22-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2148-21-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/2148-2-0x0000000077910000-0x0000000077911000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download
memory/2148-26-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download
memory/2148-27-0x0000000000400000-0x0000000000963000-memory.dmp

Filesize
5.4MB

Download

Analysis

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