Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
19/03/2024, 18:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe
Resource
win10v2004-20240226-en
10 signatures
150 seconds
General
- Target 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe
- Size 299KB
- Sample240319-xffetabe77
- SHA256 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e
- MD5 8594d64e02a9dd1fb5ab412e246fe599
- SHA1 d63784f4e964151b3b4e41bb5ed0c6597b56762f
- SHA512 852f91245dce8ac5115feae6fc0a963b72810468f35d483497076e5a811c89eebd754673d7c48be78b77f6ac7bed3cfe6dba00666894dc3b5f3b15bf5ef2c36e
- SSDEEP 6144:Bc3VO7JpyTat5wkDCQ21+ax1i1LmjyxZdfO:K3VO7JxjCQ2DigmN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.7B
Botnet
-
Default
C2
-
91.193.75.132:9191
Mutex
-
AsyncMutex_6SI8OkPnk
Attributes
-
delay
3
-
install
true
-
install_file
images.exe
-
install_folder
%AppData%
aes.plain
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1492 images.exe 3728 images.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5104 set thread context of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 1492 set thread context of 3728 1492 images.exe 100 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5036 schtasks.exe 4580 schtasks.exe 3676 schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3052 timeout.exe - Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2136 powershell.exe 2136 powershell.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 2340 powershell.exe 2340 powershell.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 3728 images.exe - Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 5104 wrote to memory of 2136 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 82 PID 5104 wrote to memory of 2136 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 82 PID 5104 wrote to memory of 2136 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 82 PID 5104 wrote to memory of 5036 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 84 PID 5104 wrote to memory of 5036 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 84 PID 5104 wrote to memory of 5036 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 84 PID 5104 wrote to memory of 2960 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 86 PID 5104 wrote to memory of 2960 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 86 PID 5104 wrote to memory of 2960 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 86 PID 5104 wrote to memory of 1908 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 87 PID 5104 wrote to memory of 1908 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 87 PID 5104 wrote to memory of 1908 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 87 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 5104 wrote to memory of 2276 5104 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 88 PID 2276 wrote to memory of 740 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 89 PID 2276 wrote to memory of 740 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 89 PID 2276 wrote to memory of 740 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 89 PID 2276 wrote to memory of 1460 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 91 PID 2276 wrote to memory of 1460 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 91 PID 2276 wrote to memory of 1460 2276 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe 91 PID 740 wrote to memory of 4580 740 cmd.exe 93 PID 740 wrote to memory of 4580 740 cmd.exe 93 PID 740 wrote to memory of 4580 740 cmd.exe 93 PID 1460 wrote to memory of 3052 1460 cmd.exe 94 PID 1460 wrote to memory of 3052 1460 cmd.exe 94 PID 1460 wrote to memory of 3052 1460 cmd.exe 94 PID 1460 wrote to memory of 1492 1460 cmd.exe 95 PID 1460 wrote to memory of 1492 1460 cmd.exe 95 PID 1460 wrote to memory of 1492 1460 cmd.exe 95 PID 1492 wrote to memory of 2340 1492 images.exe 96 PID 1492 wrote to memory of 2340 1492 images.exe 96 PID 1492 wrote to memory of 2340 1492 images.exe 96 PID 1492 wrote to memory of 3676 1492 images.exe 98 PID 1492 wrote to memory of 3676 1492 images.exe 98 PID 1492 wrote to memory of 3676 1492 images.exe 98 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100 PID 1492 wrote to memory of 3728 1492 images.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UiKVWpFsayx.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UiKVWpFsayx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4EF.tmp"2⤵
- Creates scheduled task(s)
PID:5036
-
-
C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"2⤵PID:2960
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C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"2⤵PID:1908
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C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"C:\Users\Admin\AppData\Local\Temp\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "images" /tr '"C:\Users\Admin\AppData\Roaming\images.exe"' & exit3⤵
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "images" /tr '"C:\Users\Admin\AppData\Roaming\images.exe"'4⤵
- Creates scheduled task(s)
PID:4580
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5A8.tmp.bat""3⤵
- Suspicious use of WriteProcessMemory
PID:1460 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
PID:3052
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-
C:\Users\Admin\AppData\Roaming\images.exe"C:\Users\Admin\AppData\Roaming\images.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UiKVWpFsayx.exe"5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UiKVWpFsayx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EFA.tmp"5⤵
- Creates scheduled task(s)
PID:3676
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C:\Users\Admin\AppData\Roaming\images.exe"C:\Users\Admin\AppData\Roaming\images.exe"5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3728
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-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e.exe.log
- Size 1KB
- SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
- MD5 7e1ed0055c3eaa0bbc4a29ec1ef15a6a
- SHA1 765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d
- SHA512 de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 dc7e205caab489a373eeb9346e1a32a1a12fd4ce710921e3829e39aa020fe709
- MD5 0af8de6dbbb215de8d4ee95498bb3574
- SHA1 a0c1bd506267419b07af400699182097820d40a1
- SHA512 bdad6e4397ae625fb2d2d2cf6fe23f04cb38e872d98d523ad315d5788dc07ee84532a167eec6536faff74bb8e3a11602a50a3d4a67df71220488cd4370b7de60
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 19KB
- SHA256 4c08e1f245c8e664282b15ab25cf4b063a7252de39f8fa9bf8257b60c3b4c17c
- MD5 3cd62fef70b4c4cadb8e5996dfa83170
- SHA1 af6df8f95f7b341e3f35875843d8c0b43f175a62
- SHA512 35dd73a5cdfc3a284918b9ebb40b1f47ead896f8113957ea671ab914cd52c299f24e491ce688e7fa525b4d408e6bcc4b6340c5614458f85ab2b98b7f68eeab21
- SSDEEP 384:aTtblElS1L3jVhbRRmSHnnNLjs2xtgzN+hI59k9EwX0iEeVX:NlSpjVhNRmSNLj7xtgB+hak9EwX0E
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tra50nns.r10.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp5A8.tmp.bat
- Size 149B
- SHA256 647c64513715117344d1b996746d9b281fcd6d401947e2ab33714c8e12152efd
- MD5 7506217e482918cde7d16ae8d00da132
- SHA1 389994f089ce02f1956b7cee7183066a23ed6fbe
- SHA512 4176dd819ead7e23de063a290a8bc44580f2dd4c51baa120ccda4b5d0305b3b38954dcfff4d3cf1d94533239e20444e6f51676bb65d3ce9a80a3344819c6fefe
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpF4EF.tmp
- Size 1KB
- SHA256 9678c16595c7ef811a608a531616048f410f97511fc519d8b5f842882a2103d9
- MD5 8d86ef896a891e2e1a07a720379c9977
- SHA1 d5c7637848286090d875d2a4886fb0ffa43a5c6b
- SHA512 06b5b5f0d780102b07829ac7b70775eb9cebdac8571805fc291ad95a08393515f43d3769faa2ee41d8c0e70bbb463923e0d09fba6e5c61de0dcefe3f468cede7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\images.exe
- Size 299KB
- SHA256 1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e
- MD5 8594d64e02a9dd1fb5ab412e246fe599
- SHA1 d63784f4e964151b3b4e41bb5ed0c6597b56762f
- SHA512 852f91245dce8ac5115feae6fc0a963b72810468f35d483497076e5a811c89eebd754673d7c48be78b77f6ac7bed3cfe6dba00666894dc3b5f3b15bf5ef2c36e
- SSDEEP 6144:Bc3VO7JpyTat5wkDCQ21+ax1i1LmjyxZdfO:K3VO7JxjCQ2DigmN
- MD5 SHA1 SHA512 SSDEEP