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Analysis
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max time kernel
128s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
23/08/2023, 13:12
Static task
static1
Behavioral task
behavioral1
Sample
overdue invoice pdf.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
overdue invoice pdf.exe
Resource
win10v2004-20230703-en
General
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Target
overdue invoice pdf.exe
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Size
847KB
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MD5
a3976a8131593cd5f257e1609cba021c
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SHA1
1e761268105bc1613d697d9941447c3241463029
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SHA256
0f350d7a72e30d6fa7234e953e127b426ffabb6960446a90a53d6c0dd6392138
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SHA512
d8b5c3b2d39b1fe89a5db1fc273527c163ebac5f2933799cc279b76def0eecd7e3047bb29b0b7c9feb6b6fe92ca8d302e52cd277da08f07f75f1676d0dac75eb
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SSDEEP
12288:LUVv25w+n42d1mbTzFgaJmv3xnPBtDPLd4o8wTrQ2lIC6swoeXGkDkNMw+gtYaIS:LdcBmvxLLFHIvtXGkDkSwvYmZf
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.vpindustries.co.in - Port:
587 - Username:
[email protected] - Password:
saleS*9988 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RdYoK = "C:\\Users\\Admin\\AppData\\Roaming\\RdYoK\\RdYoK.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1580 set thread context of 4876 1580 overdue invoice pdf.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2716 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1580 overdue invoice pdf.exe 1580 overdue invoice pdf.exe 3124 powershell.exe 3140 powershell.exe 1580 overdue invoice pdf.exe 3124 powershell.exe 4876 RegSvcs.exe 4876 RegSvcs.exe 3140 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1580 overdue invoice pdf.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 4876 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1580 wrote to memory of 3124 1580 overdue invoice pdf.exe 91 PID 1580 wrote to memory of 3124 1580 overdue invoice pdf.exe 91 PID 1580 wrote to memory of 3124 1580 overdue invoice pdf.exe 91 PID 1580 wrote to memory of 3140 1580 overdue invoice pdf.exe 93 PID 1580 wrote to memory of 3140 1580 overdue invoice pdf.exe 93 PID 1580 wrote to memory of 3140 1580 overdue invoice pdf.exe 93 PID 1580 wrote to memory of 2716 1580 overdue invoice pdf.exe 95 PID 1580 wrote to memory of 2716 1580 overdue invoice pdf.exe 95 PID 1580 wrote to memory of 2716 1580 overdue invoice pdf.exe 95 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97 PID 1580 wrote to memory of 4876 1580 overdue invoice pdf.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\overdue invoice pdf.exe"C:\Users\Admin\AppData\Local\Temp\overdue invoice pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\overdue invoice pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\artlkRu.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\artlkRu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D9E.tmp"2⤵
- Creates scheduled task(s)
PID:2716
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5c1cdd9db27dab7d98b0404745f5a5ff6
SHA1c5861d890ab4917e2a8ec6d1081a9666b4dbe42f
SHA256a687b7a9a9d29ab84a0a0ddedbfc9fd81c1d1660fb8df7b1edadeeaeccb355a7
SHA512d99ddec74f7addd2164fc7cba6bf1a8238b982fdfc84fefe2f348b343b9e346bf9a943fc4e30428610a0a4db94ed2cc1561a53af6f6db8890d1eb4c046d82686
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5068491d20326201106ebbaa583e30f4a
SHA1912327f881a87e2fc6459a33750e63607b2edb58
SHA25674d40d30aff028c028bd9c8a895b3e99657c2ef1483189e4362aeadf9bd652a3
SHA512d083017b89e757baa4a4b7eac9d92f321805ff9aeb33ff0546580cf607bf4c7fc44ec5e0b9f96b381a456367446622f09658e079eddbdbfef2a4b9e29a3553dd