Analysis
-
max time kernel
119s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13/02/2024, 03:20
Static task
static1
Behavioral task
behavioral1
Sample
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
Resource
win10v2004-20231215-en
General
-
Target
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe
-
Size
681KB
-
MD5
65eb5063ffd21ea06563acdde5b0aec5
-
SHA1
9109276193763e3a58b4d8fe472c5d4730b37b33
-
SHA256
923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b
-
SHA512
a53c5750a427297426cc23416e9dc282814a1210cfc30ec7bf818770315d819cfd32b432d1b411f05a5394afa8df323ec028e136a38ae70a44edf28d53d64cb1
-
SSDEEP
12288:nJEzqHKMbNeCpN/PmNcfF+RZnGItAdjfRnisFIH9XonxvK4+n0cV:nSz87bv/u/lO169evKb0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.wasstech.com - Port:
587 - Username:
[email protected] - Password:
Sunray2700@@ - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
resource yara_rule behavioral1/memory/2760-23-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2760-24-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2760-32-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2760-30-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients behavioral1/memory/2760-28-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2232 set thread context of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.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 2656 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 2760 RegSvcs.exe 2760 RegSvcs.exe 2308 powershell.exe 2372 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe Token: SeDebugPrivilege 2760 RegSvcs.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 2372 powershell.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2232 wrote to memory of 2372 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 29 PID 2232 wrote to memory of 2372 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 29 PID 2232 wrote to memory of 2372 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 29 PID 2232 wrote to memory of 2372 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 29 PID 2232 wrote to memory of 2308 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 33 PID 2232 wrote to memory of 2308 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 33 PID 2232 wrote to memory of 2308 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 33 PID 2232 wrote to memory of 2308 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 33 PID 2232 wrote to memory of 2656 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 31 PID 2232 wrote to memory of 2656 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 31 PID 2232 wrote to memory of 2656 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 31 PID 2232 wrote to memory of 2656 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 31 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34 PID 2232 wrote to memory of 2760 2232 923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"C:\Users\Admin\AppData\Local\Temp\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232 -
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\923fc964a80c47d57aeafc0ddbff753ac3ba854655b0231b358e54f54512503b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2372
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jsHSvhKIRkhsOT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41D1.tmp"2⤵
- Creates scheduled task(s)
PID:2656
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jsHSvhKIRkhsOT.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2760
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5a15911c96abd641ee66f25dad51b9196
SHA12fee1f9ded4daef5bb5947f6f606b011665a9e9e
SHA256bc4c81da035739221882119e3ffda8327ae475a5f3e416548a795eae014358e1
SHA51284943e8db5962ef326aa0fe714fb0f14f7603f73daa55960b002b9ea204649c4d385644566ceebc80870353907ca32e4ef7cbd90d9e1ef3e4b6e7b8471720e65
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\V5G9YUSCPI14VC3S9BZN.temp
Filesize7KB
MD5d004344eaf80525fbeb34692a4c125f6
SHA1cd957d17692e3cff9160d35beadca85981dfca99
SHA256636e8d0abbac21ff9b96f7e0acf6e91a84f1435d4b0d0dbee6c1c881c5d62de5
SHA512cbb72e6a758ab28932090ff9cd1a9edcec50dfb1d6ecf38749df8a13d33b5d54fa753a046c7c4fbcd7ccbaa0f65da49d141f3aa1790a791cbfa2ce407856d429