Analysis
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max time kernel
130s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28-09-2024 11:30
Static task
static1
Behavioral task
behavioral1
Sample
tmps1jos_w7.exe
Resource
win7-20240903-en
General
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Target
tmps1jos_w7.exe
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Size
1.4MB
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MD5
86e5efa7d3dce6320ffcdfc12f628cba
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SHA1
d3d26c7eddb95e028c13b97f94f330e5ad5dbba4
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SHA256
07c65671acce67cfa5a214ce2285563f6b3eaeadd5afbcd21bcaa42a536f7ba6
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SHA512
cb5d2fa04260b9ca8b8200dfa8881d82ae7cd701822c0cb3c8df5846a6f315c60475a39dc9048094d78fc8c2be21e4df734b805ac2f205c3c67b1a1b89cd8e23
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SSDEEP
24576:ivrA5SXIIYCcp3WLcndXJp80oPQZ3aO30KISlm7mgXKrqEKdCSu59m6nnjqKoe:ivOkRYCcp3ZrpBooF1Tm6g6rFKdg9rjF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
webmaster - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3824 powershell.exe 876 powershell.exe 944 powershell.exe 4916 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation tmps1jos_w7.exe Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation tmps1jos_w7.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 3 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 26 api.ipify.org 28 api.ipify.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1048 set thread context of 3132 1048 tmps1jos_w7.exe 89 PID 3132 set thread context of 4960 3132 tmps1jos_w7.exe 104 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmps1jos_w7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmps1jos_w7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmps1jos_w7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 620 schtasks.exe 3412 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 876 powershell.exe 3824 powershell.exe 1048 tmps1jos_w7.exe 1048 tmps1jos_w7.exe 3824 powershell.exe 876 powershell.exe 944 powershell.exe 4916 powershell.exe 3132 tmps1jos_w7.exe 3132 tmps1jos_w7.exe 4960 tmps1jos_w7.exe 4960 tmps1jos_w7.exe 4916 powershell.exe 944 powershell.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 876 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 1048 tmps1jos_w7.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 3132 tmps1jos_w7.exe Token: SeDebugPrivilege 4960 tmps1jos_w7.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1048 wrote to memory of 3824 1048 tmps1jos_w7.exe 82 PID 1048 wrote to memory of 3824 1048 tmps1jos_w7.exe 82 PID 1048 wrote to memory of 3824 1048 tmps1jos_w7.exe 82 PID 1048 wrote to memory of 876 1048 tmps1jos_w7.exe 84 PID 1048 wrote to memory of 876 1048 tmps1jos_w7.exe 84 PID 1048 wrote to memory of 876 1048 tmps1jos_w7.exe 84 PID 1048 wrote to memory of 620 1048 tmps1jos_w7.exe 86 PID 1048 wrote to memory of 620 1048 tmps1jos_w7.exe 86 PID 1048 wrote to memory of 620 1048 tmps1jos_w7.exe 86 PID 1048 wrote to memory of 3960 1048 tmps1jos_w7.exe 88 PID 1048 wrote to memory of 3960 1048 tmps1jos_w7.exe 88 PID 1048 wrote to memory of 3960 1048 tmps1jos_w7.exe 88 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 1048 wrote to memory of 3132 1048 tmps1jos_w7.exe 89 PID 3132 wrote to memory of 944 3132 tmps1jos_w7.exe 97 PID 3132 wrote to memory of 944 3132 tmps1jos_w7.exe 97 PID 3132 wrote to memory of 944 3132 tmps1jos_w7.exe 97 PID 3132 wrote to memory of 4916 3132 tmps1jos_w7.exe 99 PID 3132 wrote to memory of 4916 3132 tmps1jos_w7.exe 99 PID 3132 wrote to memory of 4916 3132 tmps1jos_w7.exe 99 PID 3132 wrote to memory of 3412 3132 tmps1jos_w7.exe 101 PID 3132 wrote to memory of 3412 3132 tmps1jos_w7.exe 101 PID 3132 wrote to memory of 3412 3132 tmps1jos_w7.exe 101 PID 3132 wrote to memory of 3680 3132 tmps1jos_w7.exe 103 PID 3132 wrote to memory of 3680 3132 tmps1jos_w7.exe 103 PID 3132 wrote to memory of 3680 3132 tmps1jos_w7.exe 103 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104 PID 3132 wrote to memory of 4960 3132 tmps1jos_w7.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048 -
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\tmps1jos_w7.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3824
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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\OkbpwNyH.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OkbpwNyH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC42B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:620
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C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"2⤵PID:3960
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C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3132 -
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\tmps1jos_w7.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944
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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\wlBldyvi.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4916
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA2F.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3412
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C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"3⤵PID:3680
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C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"C:\Users\Admin\AppData\Local\Temp\tmps1jos_w7.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
18KB
MD56d2434a3f847ec3a132bbde4c2c85c12
SHA115c11df172439c1c9acac399ac2669c75d225c81
SHA2562203971fec801fd2b9873283b1c2a2469517c270012fb78e88c1d65187cf2734
SHA512f6a6ae05bf0e0ef269099e9b44a77c64c4a6369b6ab2104463ad880aa99c148aa16cdfb128fbc46fc7cd2d897f760e21fb37e83fd1b7d75d814b199852767727
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Filesize
255B
MD5f1c65c41a10e64c6537330eaee69b067
SHA1ce685c707b9c9f5aed6b3f5cde195c60d38b9727
SHA2563eddc6d7adf00176d8f8103418e8258a4763d2bcb8c0a51b3d4bcd0c25653546
SHA512c40746fd9b5c6309085d15c7b009c93b5a6cf61ab7098470c1aca7baf79295ce120f22900cf81fd9346976f4fe9f936dbd754904d22156ae0dd6649b759390e6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5a8bd21fc84576453f98745a649b3a3b3
SHA1a4d2aa5bc43c27c8ece014399551a7a05f2528b4
SHA25691efc00447782be50d586c60d2de85ba5dbf6cf3802511a36c80d6c36e470b49
SHA5126d03703017ddaa1e2868463c0b85a061edfce80d4a21650fa07602e4eb7b05fea70ec72947b227ee9a06586313703165b253f22f540dec31f3fe31ba743a99d2
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Filesize
1KB
MD5ea795c2c315f91346d6f7706f07e731c
SHA184caec7ed3cc57e01e0dcde756fe9b4ccb87522e
SHA256015aa297edb75cbd834dcc2f4d4855c074ac5eb786223f37ba9fcf76bea75076
SHA5129933fa6c3998149e5ddcba7fe6779985bd9b3f8ad876b37ac5e1eb935f0ea1527250e01b396267dc2a721304898191b1386b49f7899bf0c26564d8234b51a7f2
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Filesize
1.4MB
MD586e5efa7d3dce6320ffcdfc12f628cba
SHA1d3d26c7eddb95e028c13b97f94f330e5ad5dbba4
SHA25607c65671acce67cfa5a214ce2285563f6b3eaeadd5afbcd21bcaa42a536f7ba6
SHA512cb5d2fa04260b9ca8b8200dfa8881d82ae7cd701822c0cb3c8df5846a6f315c60475a39dc9048094d78fc8c2be21e4df734b805ac2f205c3c67b1a1b89cd8e23