Analysis
-
max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 01:31
Static task
static1
Behavioral task
behavioral1
Sample
PURCHASE ORDER.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
PURCHASE ORDER.exe
Resource
win10v2004-20240226-en
General
-
Target
PURCHASE ORDER.exe
-
Size
828KB
-
MD5
8af5abb19bc5fcd7d8e7c7c930707e68
-
SHA1
bc9724ebbdfc9f248a427c0bbe119a5d144c4fa1
-
SHA256
25192b6de0b0ec0c8647deee54f87f54c6c122496a601cffbaa9fad85168af62
-
SHA512
7cc597bb80e502eebd872f25f218f63b88ade93c81a5eca97bc960de04ade2e218c7cdb2eaf1fff7b08005cd4ae3846761de62def4cb7d8d3ac816b32c66582e
-
SSDEEP
12288:OIQWET/mr9K+22BEEzFatnHbcmWSK86jENTkV0E+YfVZScyqg08kfl2aWUnTPea8:QWtb3BEVHC86YTkVVOkfl/beaooN5v8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Password: D4v_8+edvC?l. . - Email To:
[email protected]
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.
Processes:
powershell.exepowershell.exepid process 5004 powershell.exe 1140 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PURCHASE ORDER.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation PURCHASE ORDER.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.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PURCHASE ORDER.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" PURCHASE ORDER.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 40 api.ipify.org 41 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PURCHASE ORDER.exedescription pid process target process PID 5076 set thread context of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe -
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.
-
Suspicious behavior: EnumeratesProcesses 13 IoCs
Processes:
PURCHASE ORDER.exepowershell.exepowershell.exePURCHASE ORDER.exepid process 5076 PURCHASE ORDER.exe 5076 PURCHASE ORDER.exe 5076 PURCHASE ORDER.exe 5004 powershell.exe 5004 powershell.exe 1140 powershell.exe 1140 powershell.exe 5076 PURCHASE ORDER.exe 1224 PURCHASE ORDER.exe 1224 PURCHASE ORDER.exe 1224 PURCHASE ORDER.exe 5004 powershell.exe 1140 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
PURCHASE ORDER.exepowershell.exepowershell.exePURCHASE ORDER.exedescription pid process Token: SeDebugPrivilege 5076 PURCHASE ORDER.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 1224 PURCHASE ORDER.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
PURCHASE ORDER.exedescription pid process target process PID 5076 wrote to memory of 5004 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 5004 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 5004 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 1140 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 1140 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 1140 5076 PURCHASE ORDER.exe powershell.exe PID 5076 wrote to memory of 4264 5076 PURCHASE ORDER.exe schtasks.exe PID 5076 wrote to memory of 4264 5076 PURCHASE ORDER.exe schtasks.exe PID 5076 wrote to memory of 4264 5076 PURCHASE ORDER.exe schtasks.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe PID 5076 wrote to memory of 1224 5076 PURCHASE ORDER.exe PURCHASE ORDER.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076 -
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\PURCHASE ORDER.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gmTKQwj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1140
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gmTKQwj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E2B.tmp"2⤵
- Creates scheduled task(s)
PID:4264
-
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1224
-
-
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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:2788
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD5664ac22556ffcccfa605bd603096f013
SHA1e49ff33bcf1740ac53655e424a3060f4dd47b1fd
SHA256a4b6dd9fdada23a03e901a5886e3682f4e88617f9abe9ea502c957a4043e68ec
SHA51264a15fdb5aaea6d7c9376aed1a4bfb25f95606a99295031af90b4e3bf62f964e2a4f006bce59eceb55914c06a59301ab9bf887da52e808d35d753064f447941d