Analysis
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max time kernel
300s -
max time network
303s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
16/03/2023, 09:12
Static task
static1
Behavioral task
behavioral1
Sample
ACH_ deposit _receipt12901234.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ACH_ deposit _receipt12901234.exe
Resource
win10v2004-20230221-en
General
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Target
ACH_ deposit _receipt12901234.exe
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Size
817KB
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MD5
fd42e94e57c66c93fc0a93e514101070
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SHA1
3640481f0566252477aff1a98ec7ae9bb6051fed
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SHA256
92517d9eb76bab41956c0dddf8160db00210e20b07f1b76a573c193fe5d40bb2
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SHA512
f3a577ce8e2f715eebbe7cd69b015dee2d0129be83d4de742231adc226837a0ea7f95ffc989363146cddcafb435a9db24af864f1aca2fa6e35fa6c6eb7cc8d3a
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SSDEEP
12288:J2zAi64ekCyyIS1UKeO9fUu3fopFwOZYjJ9rup5no5m/NrGIk7/3SzkZalfyl15O:JyipOZ4JxASz68m0U
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1704 svchost.exe -
Loads dropped DLL 1 IoCs
pid Process 588 cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\"" ACH_ deposit _receipt12901234.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1704 set thread context of 1760 1704 svchost.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 872 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 564 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2044 ACH_ deposit _receipt12901234.exe 1704 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2044 ACH_ deposit _receipt12901234.exe Token: SeDebugPrivilege 1704 svchost.exe Token: SeDebugPrivilege 1760 jsc.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2044 wrote to memory of 1988 2044 ACH_ deposit _receipt12901234.exe 27 PID 2044 wrote to memory of 1988 2044 ACH_ deposit _receipt12901234.exe 27 PID 2044 wrote to memory of 1988 2044 ACH_ deposit _receipt12901234.exe 27 PID 2044 wrote to memory of 588 2044 ACH_ deposit _receipt12901234.exe 29 PID 2044 wrote to memory of 588 2044 ACH_ deposit _receipt12901234.exe 29 PID 2044 wrote to memory of 588 2044 ACH_ deposit _receipt12901234.exe 29 PID 588 wrote to memory of 564 588 cmd.exe 31 PID 588 wrote to memory of 564 588 cmd.exe 31 PID 588 wrote to memory of 564 588 cmd.exe 31 PID 1988 wrote to memory of 872 1988 cmd.exe 32 PID 1988 wrote to memory of 872 1988 cmd.exe 32 PID 1988 wrote to memory of 872 1988 cmd.exe 32 PID 588 wrote to memory of 1704 588 cmd.exe 33 PID 588 wrote to memory of 1704 588 cmd.exe 33 PID 588 wrote to memory of 1704 588 cmd.exe 33 PID 1704 wrote to memory of 648 1704 svchost.exe 34 PID 1704 wrote to memory of 648 1704 svchost.exe 34 PID 1704 wrote to memory of 648 1704 svchost.exe 34 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 PID 1704 wrote to memory of 1760 1704 svchost.exe 35 -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\ACH_ deposit _receipt12901234.exe"C:\Users\Admin\AppData\Local\Temp\ACH_ deposit _receipt12901234.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Creates scheduled task(s)
PID:872
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp3C75.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:564
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"4⤵PID:648
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1760
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
151B
MD593fe7152e1d2b6b74559fffe6f4a58ab
SHA142f7a37c25fcc7617900e7197702575067dbccca
SHA256e1522c62134c6c0176558cc1249b1ae5c32007ff36444379cb3f9a2a25721c58
SHA512aca30541e68ecb21ba37971cf655df10c7a98bb927a90fed357b0c9f26b3f8bec44bfc14729dca071e3a459aabc5d255b248a4f9e3fbf2888b110531ad6cc7df
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Filesize
151B
MD593fe7152e1d2b6b74559fffe6f4a58ab
SHA142f7a37c25fcc7617900e7197702575067dbccca
SHA256e1522c62134c6c0176558cc1249b1ae5c32007ff36444379cb3f9a2a25721c58
SHA512aca30541e68ecb21ba37971cf655df10c7a98bb927a90fed357b0c9f26b3f8bec44bfc14729dca071e3a459aabc5d255b248a4f9e3fbf2888b110531ad6cc7df
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Filesize
817KB
MD5fd42e94e57c66c93fc0a93e514101070
SHA13640481f0566252477aff1a98ec7ae9bb6051fed
SHA25692517d9eb76bab41956c0dddf8160db00210e20b07f1b76a573c193fe5d40bb2
SHA512f3a577ce8e2f715eebbe7cd69b015dee2d0129be83d4de742231adc226837a0ea7f95ffc989363146cddcafb435a9db24af864f1aca2fa6e35fa6c6eb7cc8d3a
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Filesize
817KB
MD5fd42e94e57c66c93fc0a93e514101070
SHA13640481f0566252477aff1a98ec7ae9bb6051fed
SHA25692517d9eb76bab41956c0dddf8160db00210e20b07f1b76a573c193fe5d40bb2
SHA512f3a577ce8e2f715eebbe7cd69b015dee2d0129be83d4de742231adc226837a0ea7f95ffc989363146cddcafb435a9db24af864f1aca2fa6e35fa6c6eb7cc8d3a
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Filesize
817KB
MD5fd42e94e57c66c93fc0a93e514101070
SHA13640481f0566252477aff1a98ec7ae9bb6051fed
SHA25692517d9eb76bab41956c0dddf8160db00210e20b07f1b76a573c193fe5d40bb2
SHA512f3a577ce8e2f715eebbe7cd69b015dee2d0129be83d4de742231adc226837a0ea7f95ffc989363146cddcafb435a9db24af864f1aca2fa6e35fa6c6eb7cc8d3a