Analysis
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max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 11:09
Static task
static1
Behavioral task
behavioral1
Sample
PO-24-0146.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO-24-0146.exe
Resource
win10v2004-20240226-en
General
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Target
PO-24-0146.exe
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Size
635KB
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MD5
97a1f463d7892e916c06e18e772be8ea
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SHA1
a9b8899a1f18739f90be637c4c9e5969a3bad0f8
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SHA256
4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c
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SHA512
ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad
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SSDEEP
12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4
Malware Config
Extracted
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123
Extracted
agenttesla
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123 - 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation PO-24-0146.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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 40 api.ipify.org 39 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 2428 1444 PO-24-0146.exe 109 -
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 4104 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1444 PO-24-0146.exe 1444 PO-24-0146.exe 1444 PO-24-0146.exe 1444 PO-24-0146.exe 5012 powershell.exe 4960 powershell.exe 4960 powershell.exe 5012 powershell.exe 1444 PO-24-0146.exe 2428 PO-24-0146.exe 2428 PO-24-0146.exe 2428 PO-24-0146.exe 5012 powershell.exe 4960 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1444 PO-24-0146.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 2428 PO-24-0146.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1444 wrote to memory of 5012 1444 PO-24-0146.exe 103 PID 1444 wrote to memory of 5012 1444 PO-24-0146.exe 103 PID 1444 wrote to memory of 5012 1444 PO-24-0146.exe 103 PID 1444 wrote to memory of 4960 1444 PO-24-0146.exe 105 PID 1444 wrote to memory of 4960 1444 PO-24-0146.exe 105 PID 1444 wrote to memory of 4960 1444 PO-24-0146.exe 105 PID 1444 wrote to memory of 4104 1444 PO-24-0146.exe 107 PID 1444 wrote to memory of 4104 1444 PO-24-0146.exe 107 PID 1444 wrote to memory of 4104 1444 PO-24-0146.exe 107 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109 PID 1444 wrote to memory of 2428 1444 PO-24-0146.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444 -
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-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012
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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\jIlwbG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E5C.tmp"2⤵
- Creates scheduled task(s)
PID:4104
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2428
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4376
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
MD520a0e17b2e1d18f0732fc45ad3d666c0
SHA199de4d6b09088437edd2e97ca734c99f3ad42d73
SHA25648c77cbe94f660622a0903da0176e8229e5c1364efd57eb9e706d85e13d74602
SHA512c2e47cc02e5c43ed25d61bb5207e8ff70c07be69483c60d6ff7ddade2f54ba1df38946da6af5a90080eed33f849bfb8685c13469e6662d340b2ecede5b245b85
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD59ddca00edf40b6117d57d6860b8d8e12
SHA138d5aea7672afb5ea9663573aee7f88bf7e6eed8
SHA256335cac4dfd901cfd7e5022ab3b9f0c84f8548ff20913f4bfad6a836a70603d2d
SHA51292c4da73be476be2ac91db3fc4a2866eb1a71d32df019c313638b4b5c4ad0ef121024e5e8ba30fcf606cd7098374728c590b263816e262ccb4d309d4c9076c46