Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24-09-2024 14:02
Static task
static1
Behavioral task
behavioral1
Sample
PO Invoice XJ210821Q.PDF.exe
Resource
win7-20240903-en
General
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Target
PO Invoice XJ210821Q.PDF.exe
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Size
664KB
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MD5
ec1d27d0c50590f58a3d43b8b979e4dc
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SHA1
bb6768eec71bd66c50a94b21cdd059994dc264b3
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SHA256
c17e06753e71aa66826658cc44f2e620b39d0e52b26d7dc5747ad5966f0ae0a3
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SHA512
2bf4090a6bc11e8a5b2055752a51d008aedd7f4dc3483282194b9666f19840ababa805aa18dfccf6d994d46ddf4503e5abed7201556b6388d38af93e6c890aa1
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SSDEEP
12288:LhdPAcO4nEOS405ZbvTAuWelX2QqycJGD7uoj6C/e8bQbGsxykR:LvlS405PX2QqRGD7u/ClIGoB
Malware Config
Extracted
Protocol: ftp- Host:
ftp.libreriagandhi.cl - Port:
21 - Username:
[email protected] - Password:
x6p2^m#1#~+O
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.libreriagandhi.cl - Port:
21 - Username:
[email protected] - Password:
x6p2^m#1#~+O
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2308 powershell.exe 3304 powershell.exe -
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation PO Invoice XJ210821Q.PDF.exe -
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 3 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 21 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 8 set thread context of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO Invoice XJ210821Q.PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO Invoice XJ210821Q.PDF.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 8 PO Invoice XJ210821Q.PDF.exe 8 PO Invoice XJ210821Q.PDF.exe 8 PO Invoice XJ210821Q.PDF.exe 8 PO Invoice XJ210821Q.PDF.exe 8 PO Invoice XJ210821Q.PDF.exe 8 PO Invoice XJ210821Q.PDF.exe 2308 powershell.exe 8 PO Invoice XJ210821Q.PDF.exe 3304 powershell.exe 1152 PO Invoice XJ210821Q.PDF.exe 1152 PO Invoice XJ210821Q.PDF.exe 2308 powershell.exe 3304 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 8 PO Invoice XJ210821Q.PDF.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeDebugPrivilege 1152 PO Invoice XJ210821Q.PDF.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 8 wrote to memory of 2308 8 PO Invoice XJ210821Q.PDF.exe 89 PID 8 wrote to memory of 2308 8 PO Invoice XJ210821Q.PDF.exe 89 PID 8 wrote to memory of 2308 8 PO Invoice XJ210821Q.PDF.exe 89 PID 8 wrote to memory of 3304 8 PO Invoice XJ210821Q.PDF.exe 91 PID 8 wrote to memory of 3304 8 PO Invoice XJ210821Q.PDF.exe 91 PID 8 wrote to memory of 3304 8 PO Invoice XJ210821Q.PDF.exe 91 PID 8 wrote to memory of 1620 8 PO Invoice XJ210821Q.PDF.exe 93 PID 8 wrote to memory of 1620 8 PO Invoice XJ210821Q.PDF.exe 93 PID 8 wrote to memory of 1620 8 PO Invoice XJ210821Q.PDF.exe 93 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95 PID 8 wrote to memory of 1152 8 PO Invoice XJ210821Q.PDF.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:8 -
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 Invoice XJ210821Q.PDF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308
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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\FBEgLGhUrO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FBEgLGhUrO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1620
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C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"C:\Users\Admin\AppData\Local\Temp\PO Invoice XJ210821Q.PDF.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5d28daf8e8c097e0b074181501a2828e1
SHA1ec29c4156291a561b4fac5cafda6b9c7b3c2ea41
SHA256e08ad89843006d51feb199a59e322da77c79498642fe5b29db780dbd669c6768
SHA5123c877446d2a68682d9afe4ef3127a185990baf916c2a473359ff9dfacf20548376ce86290681b5d20b5ae4efd69608971d426cf3f566006c7b1aa5a6dc086351
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e098b81dfd582a1c12cb9852f268a8fd
SHA1d51ae81a5a4dec20998a10eb01528d1c73affffb
SHA256cade9e5d5d6b26fd044cf7fb21a361ec33365b2ed647388cffb472a216e6a62a
SHA512a5ace5e3eda97e68a439a8ba19a1dad6152d0c83fd887a88d9090f3277265f67be1b1fc44e581d72162d20783e31b4e97e58747c51e6f93f803e9e1db098f2a6