Analysis
- max time kernel
144s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system - submitted
22/02/2024, 12:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
rRemittanceadvicefor20240222.exe
Resource
win7-20240221-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
rRemittanceadvicefor20240222.exe
Resource
win10v2004-20240221-en
9 signatures
150 seconds
General
- Target rRemittanceadvicefor20240222.exe
- Size 734KB
- Sample240222-psb9xshe64
- SHA256 5f439e4e2bf01c647d8a2a425e0dfb03f3b6234f13de2cc6015f7c57eaa40290
- MD5 37fc288dede0b36f18acb1adc6e99f5f
- SHA1 323a8cabc0753ecb2a01849a85bb70c07e9ce022
- SHA512 ff5f6fda551fd9ff0ca21a219f1d0d9f07c2b96728e272886cc46518da7f1f99bda77f53217292d5b3a1bb3cced59a2318ff50094394558cffda9f3c9ab4d62d
- SSDEEP 12288:n2nURl5Ujd53LlvimgWAXUScXDh+MXo9jX5g47JATthqRA8kOXUw6gvDBfVu:n2nUpKwmgWAXcXvY9jXiCkhqDXmgvFfV
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.wasstech.com
-
Port
587
-
Username
-
Password
Sunray2700@@
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3538781373-1545967067-4263767959-1000\Control Panel\International\Geo\Nation rRemittanceadvicefor20240222.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 22 api.ipify.org 23 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2988 set thread context of 3616 2988 rRemittanceadvicefor20240222.exe 97 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4756 schtasks.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2988 rRemittanceadvicefor20240222.exe 3700 powershell.exe 4440 powershell.exe 2988 rRemittanceadvicefor20240222.exe 2988 rRemittanceadvicefor20240222.exe 2988 rRemittanceadvicefor20240222.exe 3616 RegSvcs.exe 3616 RegSvcs.exe 3700 powershell.exe 4440 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2988 rRemittanceadvicefor20240222.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3616 RegSvcs.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2988 wrote to memory of 3700 2988 rRemittanceadvicefor20240222.exe 91 PID 2988 wrote to memory of 3700 2988 rRemittanceadvicefor20240222.exe 91 PID 2988 wrote to memory of 3700 2988 rRemittanceadvicefor20240222.exe 91 PID 2988 wrote to memory of 4440 2988 rRemittanceadvicefor20240222.exe 94 PID 2988 wrote to memory of 4440 2988 rRemittanceadvicefor20240222.exe 94 PID 2988 wrote to memory of 4440 2988 rRemittanceadvicefor20240222.exe 94 PID 2988 wrote to memory of 4756 2988 rRemittanceadvicefor20240222.exe 93 PID 2988 wrote to memory of 4756 2988 rRemittanceadvicefor20240222.exe 93 PID 2988 wrote to memory of 4756 2988 rRemittanceadvicefor20240222.exe 93 PID 2988 wrote to memory of 4644 2988 rRemittanceadvicefor20240222.exe 98 PID 2988 wrote to memory of 4644 2988 rRemittanceadvicefor20240222.exe 98 PID 2988 wrote to memory of 4644 2988 rRemittanceadvicefor20240222.exe 98 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97 PID 2988 wrote to memory of 3616 2988 rRemittanceadvicefor20240222.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\rRemittanceadvicefor20240222.exe"C:\Users\Admin\AppData\Local\Temp\rRemittanceadvicefor20240222.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988 -
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\rRemittanceadvicefor20240222.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cbNBsR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0CD.tmp"2⤵
- Creates scheduled task(s)
PID:4756
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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\cbNBsR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
-
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616
-
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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⤵PID:4644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 4953e982ae8559f4617c33b66060c1d51d3f273fd3f025683a0ada8f9b218c4e
- MD5 eccf102ea3c2e081ce2ba2f32a38f2db
- SHA1 0cee8661ea73aeb6d5c02fd51a6a0f89dc192b1c
- SHA512 e2a05ab59fcdfe18cbd9b095571b0a60bd8dea3dc7d32de4a8ed0dd6f8bc45a72040c90afa5b997350f927e9154cc33f690b9441a9889ee1abac7143f3fe69f4
- SSDEEP 384:86+BK9i+sOZEHcizJk+o9o2TlK6seYLME/B03SoZafYSv8jEDkGd0gdMtkKhD:94Myrejo2TlNgrqSl5iEDqCm3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ckr0x3i0.3vm.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpD0CD.tmp
- Size 1KB
- SHA256 06dd0274a7aa1c1f55e6e7121e70f7cae8fb3b8281e63ac79e3908bfd3303158
- MD5 36f6ddd6f05fc14aade9e2840d629647
- SHA1 efdc500d93b961ef5e25b8af104efc0249376ec2
- SHA512 cb8103a0a4127d2ce97d63b0c4426a27917958dadbf0151a25c5f1d5dea2cba50ed7cdd37f3c63758fa5b28431b3fd2530c07571336cee497aca320be36bc011
- MD5 SHA1 SHA512