Analysis
- max time kernel
119s - max time network
123s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system - submitted
08/05/2024, 07:37
Static task
static1
Behavioral task
behavioral1
Sample
Paid Invoice #907238.exe
Resource
win7-20240220-en
General
- Target Paid Invoice #907238.exe
- Size 688KB
- Sample240508-jfx3zacb67
- SHA256 0cfbe133465059e9d21adb0ee0bcf53ecb2f3459bc258b9a78c6a56cfbf15f27
- MD5 d20d8dd04625910814086b4f98fc55a6
- SHA1 01dfe8a799f4ea1397cb1aaaa8e14aca218dd3a3
- SHA512 42ee37ddf6571f68a60e851285a88ce341fe26748774dc6c0d403b53d7b519860d6043a2023a620a7076738f17b0b184a988629d6ded337ad8a951a3a9330513
- SSDEEP 12288:jr3/T3/fVrTtK3/d8ynfW57rNtlNJsEIPiddmbU4wbbMl13bwgu8Nnbh3/43/:/rXVrTtKLns/ltI6abU4wkZwgDnbhA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
PMOYQrU0
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 2028 powershell.exe 2060 powershell.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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 4 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2464 set thread context of 2892 2464 Paid Invoice #907238.exe 34 - 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 2600 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2464 Paid Invoice #907238.exe 2464 Paid Invoice #907238.exe 2892 Paid Invoice #907238.exe 2892 Paid Invoice #907238.exe 2028 powershell.exe 2060 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2464 Paid Invoice #907238.exe Token: SeDebugPrivilege 2892 Paid Invoice #907238.exe Token: SeDebugPrivilege 2028 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2464 wrote to memory of 2028 2464 Paid Invoice #907238.exe 28 PID 2464 wrote to memory of 2028 2464 Paid Invoice #907238.exe 28 PID 2464 wrote to memory of 2028 2464 Paid Invoice #907238.exe 28 PID 2464 wrote to memory of 2028 2464 Paid Invoice #907238.exe 28 PID 2464 wrote to memory of 2060 2464 Paid Invoice #907238.exe 30 PID 2464 wrote to memory of 2060 2464 Paid Invoice #907238.exe 30 PID 2464 wrote to memory of 2060 2464 Paid Invoice #907238.exe 30 PID 2464 wrote to memory of 2060 2464 Paid Invoice #907238.exe 30 PID 2464 wrote to memory of 2600 2464 Paid Invoice #907238.exe 32 PID 2464 wrote to memory of 2600 2464 Paid Invoice #907238.exe 32 PID 2464 wrote to memory of 2600 2464 Paid Invoice #907238.exe 32 PID 2464 wrote to memory of 2600 2464 Paid Invoice #907238.exe 32 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34 PID 2464 wrote to memory of 2892 2464 Paid Invoice #907238.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\Paid Invoice #907238.exe"C:\Users\Admin\AppData\Local\Temp\Paid Invoice #907238.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464 -
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\Paid Invoice #907238.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CsrqNkKedp.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CsrqNkKedp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4106.tmp"2⤵
- Creates scheduled task(s)
PID:2600
-
-
C:\Users\Admin\AppData\Local\Temp\Paid Invoice #907238.exe"C:\Users\Admin\AppData\Local\Temp\Paid Invoice #907238.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp4106.tmp
- Size 1KB
- SHA256 943a8812e1d3cf2612a8448e0a034952991b19768523999706e7584a6ff02ef0
- MD5 dd9955f644618f1dd3a02d27bea65bc8
- SHA1 1b08489dec82c228dbdc88e2325ce38b3ad73125
- SHA512 3c9db94ec606654257726f0699d854092c5a126b05a9c175d8c1d0b063141f72caefa566e8ff214ca2f1326736238aafdebd8909efce894daed0b114ea5f4702
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
- Size 7KB
- SHA256 93b6c3a8d56358363ea7638f75b6fdd29077d7c386ce63aba2ca4692bba01677
- MD5 d92d2b65660f60b083c18a17ede4a4d3
- SHA1 4d2e9d0a2232c8915c3d601fe536a018ec92a554
- SHA512 9912ca9d1e2275256ef97ef0f8b73f4efcbb8b70883b0ff02cc349bc2bc88370c112dc81c33c86f93ebef0c533023194cc7a9e8cd86ae154bf0eaa35faebd95a
- SSDEEP 96:led0PCBM8pnqvsqvJCwoied0PCBM8pnqvsEHyqvJCworqPKwNQHlzHEz7RPwXlUk:8009Uol009AHnorqPvYzkz7RPwx
- MD5 SHA1 SHA512 SSDEEP