b61f4de3bad56c3cb9fe365b98f428b24afa3a103c9f830b2d5aa50efb904c6b

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 17:15

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General

Target

RedHatSpoofer1.3.exe
Size

41KB
MD5

2560647cbaa999dc4b59151bbfb32e6a
SHA1

5789816befd9539270ff17d1d4fe13a350d6fb54
SHA256

b61f4de3bad56c3cb9fe365b98f428b24afa3a103c9f830b2d5aa50efb904c6b
SHA512

20f0e8742e69e01240e414a2cc6021b555b7bad309180aca74f81ba22e614119b90450d8d670f4c905dec9d439ddcb77bbaf6db141b15adf7f4e5c2e60dbef88
SSDEEP

768:cXfQNjweRKuvHWVcxmXOnhTYXu+Rsrl9PweAebQB6SYyvrjljle:cXfQNouvH+cjnhTYX9Cl99Qodynple

Score

8^/10

evasion execution persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2672	attrib.exe
2728	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2556	$77Winsys.exe

Loads dropped DLL 1 IoCs

pid	Process
1896	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\Sys\\$77Winsys.exe\""	RedHatSpoofer1.3.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2704	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2536	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	$77Winsys.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	$77Winsys.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	$77Winsys.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1396	schtasks.exe
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2668	RedHatSpoofer1.3.exe
2668	RedHatSpoofer1.3.exe
2668	RedHatSpoofer1.3.exe
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	RedHatSpoofer1.3.exe
Token: SeDebugPrivilege	2556	$77Winsys.exe
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2672	2668	RedHatSpoofer1.3.exe	31
PID 2668 wrote to memory of 2672	2668	RedHatSpoofer1.3.exe	31
PID 2668 wrote to memory of 2672	2668	RedHatSpoofer1.3.exe	31
PID 2668 wrote to memory of 2728	2668	RedHatSpoofer1.3.exe	33
PID 2668 wrote to memory of 2728	2668	RedHatSpoofer1.3.exe	33
PID 2668 wrote to memory of 2728	2668	RedHatSpoofer1.3.exe	33
PID 2668 wrote to memory of 1896	2668	RedHatSpoofer1.3.exe	35
PID 2668 wrote to memory of 1896	2668	RedHatSpoofer1.3.exe	35
PID 2668 wrote to memory of 1896	2668	RedHatSpoofer1.3.exe	35
PID 1896 wrote to memory of 2536	1896	cmd.exe	37
PID 1896 wrote to memory of 2536	1896	cmd.exe	37
PID 1896 wrote to memory of 2536	1896	cmd.exe	37
PID 1896 wrote to memory of 2556	1896	cmd.exe	38
PID 1896 wrote to memory of 2556	1896	cmd.exe	38
PID 1896 wrote to memory of 2556	1896	cmd.exe	38
PID 2556 wrote to memory of 2224	2556	$77Winsys.exe	39
PID 2556 wrote to memory of 2224	2556	$77Winsys.exe	39
PID 2556 wrote to memory of 2224	2556	$77Winsys.exe	39
PID 2556 wrote to memory of 1396	2556	$77Winsys.exe	41
PID 2556 wrote to memory of 1396	2556	$77Winsys.exe	41
PID 2556 wrote to memory of 1396	2556	$77Winsys.exe	41
PID 2556 wrote to memory of 576	2556	$77Winsys.exe	43
PID 2556 wrote to memory of 576	2556	$77Winsys.exe	43
PID 2556 wrote to memory of 576	2556	$77Winsys.exe	43
PID 2556 wrote to memory of 2704	2556	$77Winsys.exe	45
PID 2556 wrote to memory of 2704	2556	$77Winsys.exe	45
PID 2556 wrote to memory of 2704	2556	$77Winsys.exe	45
PID 2556 wrote to memory of 2840	2556	$77Winsys.exe	47
PID 2556 wrote to memory of 2840	2556	$77Winsys.exe	47
PID 2556 wrote to memory of 2840	2556	$77Winsys.exe	47

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2672	attrib.exe
2728	attrib.exe

C:\Users\Admin\AppData\Local\Temp\RedHatSpoofer1.3.exe
"C:\Users\Admin\AppData\Local\Temp\RedHatSpoofer1.3.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\Sys"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:2672
- C:\Windows\System32\attrib.exe
  "C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\Sys\$77Winsys.exe"
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:2728
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp455A.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2536
- - C:\Users\Admin\Sys\$77Winsys.exe
    "C:\Users\Admin\Sys\$77Winsys.exe"
    3⤵
    - Executes dropped EXE
    - Modifies system certificate store
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77Winsys.exe
      4⤵
      PID:2224
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /Create /SC ONCE /TN "$77Winsys.exe" /TR "C:\Users\Admin\Sys\$77Winsys.exe \"\$77Winsys.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1396
  - - C:\Windows\system32\schtasks.exe
      "schtasks.exe" /query /TN $77Winsys.exe
      4⤵
      PID:576
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exit
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2704
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc daily /tn "Winsys_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab5CC2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5CD5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp455A.tmp.bat

Filesize
141B

MD5
412a98544702ef8fd211063d65dd96f6

SHA1
20391306054b2ddc4a13e4f3178782d34dadce52

SHA256
151c1894b5bfc2f2d545827da455bb32ed00236df8d31629a0a35f5bbb26b75f

SHA512
3051bdb32d268c14d874330c738416ae974888c70ae89bb81b864166638461821e54536ba1719c52b88e332089648501b293944fcbd70bc2d12d97a9be41e59f

Download Submit
\Users\Admin\Sys\$77Winsys.exe

Filesize
41KB

MD5
2560647cbaa999dc4b59151bbfb32e6a

SHA1
5789816befd9539270ff17d1d4fe13a350d6fb54

SHA256
b61f4de3bad56c3cb9fe365b98f428b24afa3a103c9f830b2d5aa50efb904c6b

SHA512
20f0e8742e69e01240e414a2cc6021b555b7bad309180aca74f81ba22e614119b90450d8d670f4c905dec9d439ddcb77bbaf6db141b15adf7f4e5c2e60dbef88

Download Submit
memory/2556-96-0x000000001BF90000-0x000000001BFB0000-memory.dmp

Filesize
128KB

Download
memory/2556-19-0x000000013F020000-0x000000013F02E000-memory.dmp

Filesize
56KB

Download
memory/2668-14-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-0-0x000007FEF58C3000-0x000007FEF58C4000-memory.dmp

Filesize
4KB

Download
memory/2668-4-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-3-0x000007FEF58C3000-0x000007FEF58C4000-memory.dmp

Filesize
4KB

Download
memory/2668-2-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-1-0x000000013FC60000-0x000000013FC6E000-memory.dmp

Filesize
56KB

Download
memory/2704-24-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/2704-25-0x0000000002690000-0x0000000002698000-memory.dmp

Filesize
32KB

Download