Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system - submitted
13/04/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
Draft Invoice.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Draft Invoice.exe
Resource
win10v2004-20240412-en
General
- Target Draft Invoice.exe
- Size 630KB
- Sample240413-tbmfsaef44
- SHA256 615f457d36ad1da20bd802ff15975732d9ebe71f5b4d540ef19c5ca3135fd863
- MD5 eb0f59239e7511ffa5ad81468163ad68
- SHA1 70529b6039cc5ea7346bd055519d2f6eb2136ed6
- SHA512 bb4f641f469277a512563c37af1a21286322b225b06e867a6ede93b49f33a155a2362a7a3d1c3f9470506702aa919bffbdf6b82a93b12e17a723a8b08fdf401d
- SSDEEP 12288:Skvq31eoWKzKRXwMf/MNbTym7deYAedEWp1+lP6SdxjjFGY:SeqFmRXwFNvH8YjJp1+lySnjp
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.weeecoiq.com
-
Port
587
-
Username
-
Password
erT8BI2W0w
-
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-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation Draft Invoice.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 32 set thread context of 4724 32 Draft Invoice.exe 90 - 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 5104 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2236 powershell.exe 1528 powershell.exe 1528 powershell.exe 2236 powershell.exe 4724 Draft Invoice.exe 4724 Draft Invoice.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 4724 Draft Invoice.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 32 wrote to memory of 2236 32 Draft Invoice.exe 84 PID 32 wrote to memory of 2236 32 Draft Invoice.exe 84 PID 32 wrote to memory of 2236 32 Draft Invoice.exe 84 PID 32 wrote to memory of 1528 32 Draft Invoice.exe 86 PID 32 wrote to memory of 1528 32 Draft Invoice.exe 86 PID 32 wrote to memory of 1528 32 Draft Invoice.exe 86 PID 32 wrote to memory of 5104 32 Draft Invoice.exe 88 PID 32 wrote to memory of 5104 32 Draft Invoice.exe 88 PID 32 wrote to memory of 5104 32 Draft Invoice.exe 88 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90 PID 32 wrote to memory of 4724 32 Draft Invoice.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\Draft Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Draft Invoice.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:32 -
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\Draft Invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RHgYkIyZVdzw.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RHgYkIyZVdzw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9337.tmp"2⤵
- Creates scheduled task(s)
PID:5104
-
-
C:\Users\Admin\AppData\Local\Temp\Draft Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Draft Invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Draft Invoice.exe.log
- Size 1KB
- SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
- MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
- SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
- SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 9d50a219c7c43a2a7a10e631a4102f612c58e4e7035e4312c955fbc3772daf56
- MD5 98ca930ea65cdeaa52a173603d00fa59
- SHA1 e4c5c3b23f8dfa452a2685fada88224856a764fc
- SHA512 6f66d4ba7a42cd038e1a85277d9e82f9242c45bec424a38414f8f7a79cdd8e17ad1ba43980a75c300289c4b2ced93cfd9ea8774eca16ff4955ac5746d7897a20
- SSDEEP 384:ssf+Bh9i+mQSIj6isN+kDo9BwDTEK6seYLME/Xt03SoZufYSgojEDkaQ0gdwtkKF:Jf1Nic0BwDTENgrmS5W2ED3CS3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p4m01igd.com.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp9337.tmp
- Size 1KB
- SHA256 7a44bddb9bdac08c5398c7c7a843f58a2a0be9034eb337b87ce4665656cd837d
- MD5 e0c50200c6431828c41f9513ac9cbc45
- SHA1 c0fdbf4a2ba4cd46fe80771b47971ac6ad51a2d5
- SHA512 6150ae2f3b3f04610d687d75436374771d7971f33c15ac875020d8f3ce2b0961b308c4883ca258b697a2a54a230aca42f701a29057df960f6d78f417d68c384d
- MD5 SHA1 SHA512