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Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24/02/2024, 01:29
Static task
static1
Behavioral task
behavioral1
Sample
PO 20078990017432988476.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO 20078990017432988476.exe
Resource
win10v2004-20240221-en
General
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Target
PO 20078990017432988476.exe
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Size
722KB
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MD5
31bd10b45a914ae0a1970a09841ca2d9
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SHA1
179a360096552c8940107052bb5d1aa216f36f72
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SHA256
698fe043efc551bc9c522c8fbc38de3faeefa94a5ce5592863bacbda611f04e0
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SHA512
db8cad54866691607c9f47432aaaf6aa97faa1894a7b5bca623c7991c8a021971766302d731df3a090768e96a946a336805af3a5102f16e4237e48a38d650207
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SSDEEP
12288:flW3YDmzBh35cqFnG0/D0HPddOBQEYrDTm60aa3C7X/SpIkR:KBvZb0HlsBQXPi60N3C7i
Malware Config
Extracted
Protocol: smtp- Host:
mail.flecon.com.sg - Port:
587 - Username:
[email protected] - Password:
8CJN6A87XUIU
Extracted
agenttesla
Protocol: smtp- Host:
mail.flecon.com.sg - Port:
587 - Username:
[email protected] - Password:
8CJN6A87XUIU - 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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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-1-5-21-1790404759-2178872477-2616469472-1000\Control Panel\International\Geo\Nation PO 20078990017432988476.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 26 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3588 set thread context of 2180 3588 PO 20078990017432988476.exe 96 -
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 1168 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3588 PO 20078990017432988476.exe 2040 powershell.exe 568 powershell.exe 3588 PO 20078990017432988476.exe 2180 PO 20078990017432988476.exe 2180 PO 20078990017432988476.exe 2040 powershell.exe 568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3588 PO 20078990017432988476.exe Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeDebugPrivilege 2180 PO 20078990017432988476.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3588 wrote to memory of 2040 3588 PO 20078990017432988476.exe 90 PID 3588 wrote to memory of 2040 3588 PO 20078990017432988476.exe 90 PID 3588 wrote to memory of 2040 3588 PO 20078990017432988476.exe 90 PID 3588 wrote to memory of 568 3588 PO 20078990017432988476.exe 92 PID 3588 wrote to memory of 568 3588 PO 20078990017432988476.exe 92 PID 3588 wrote to memory of 568 3588 PO 20078990017432988476.exe 92 PID 3588 wrote to memory of 1168 3588 PO 20078990017432988476.exe 94 PID 3588 wrote to memory of 1168 3588 PO 20078990017432988476.exe 94 PID 3588 wrote to memory of 1168 3588 PO 20078990017432988476.exe 94 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96 PID 3588 wrote to memory of 2180 3588 PO 20078990017432988476.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
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\PO 20078990017432988476.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040
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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\IqTgicbK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IqTgicbK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp975E.tmp"2⤵
- Creates scheduled task(s)
PID:1168
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C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2180
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD507fae0ec9b20e141bf5af9aef87e7e9d
SHA164bba83b743d944117c0367ea5b4e9a7d0128954
SHA256a73c170361aa8623d22b87d06190f577b6a096de10981432d321bee6411a499a
SHA51239175fe0b6c67aab278b3ab3c0355e8d62948914c2920c7a287fa2ab130618bfc26b9300e207930fe27702bcea6ef070bb1578a1f1a7d129396b238105d0fadc
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b0986a194ec027462fa944826f2085b2
SHA19933ba5fbddbd629415ec7b867fd2b3357bf60f2
SHA256c699e8461e29a2b289754af722f30a4855dfd54301330e9542fed4fddc63d346
SHA5128a91f683e2257fe4a8de370ec76e68fe3d25cf068f14b95cf34e556ad15f51e1cccb49456af779af8037a0b30b6c7940af79551026e40e679355da0e1cce4c73