Analysis
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max time kernel
141s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 15:11
Static task
static1
Behavioral task
behavioral1
Sample
43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe
Resource
win10v2004-20231130-en
General
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Target
43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe
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Size
611KB
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MD5
fd6d672a8de00f7784bece75dfe59c6e
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SHA1
03ea256e5347ec179d152ba59b1e63e69090dabe
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SHA256
43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a
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SHA512
d94ac613a398cc49ef73ffc4abe75c0af81a6fc40b1c7e614eb810a946120002f9356f8e2ff0716d358f3768539bf6d538b6dc58214a72807914b0cf58d440ff
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SSDEEP
12288:g272CRNsXD6VMiA/TJ0rzPpQD/uIKfSKm79mQ9I3knTdmr0H7J2h:/KDiMiAL/buTKKi919I3knAobJ
Malware Config
Extracted
Protocol: smtp- Host:
laingenieros.com - Port:
587 - Username:
[email protected] - Password:
Uxrfk!94
Extracted
agenttesla
Protocol: smtp- Host:
laingenieros.com - Port:
587 - Username:
[email protected] - Password:
Uxrfk!94 - 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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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-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3300 set thread context of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2636 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 4776 powershell.exe 1028 powershell.exe 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 4824 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 4824 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 4776 powershell.exe 1028 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeDebugPrivilege 4824 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3300 wrote to memory of 4776 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 91 PID 3300 wrote to memory of 4776 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 91 PID 3300 wrote to memory of 4776 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 91 PID 3300 wrote to memory of 1028 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 93 PID 3300 wrote to memory of 1028 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 93 PID 3300 wrote to memory of 1028 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 93 PID 3300 wrote to memory of 2636 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 95 PID 3300 wrote to memory of 2636 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 95 PID 3300 wrote to memory of 2636 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 95 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97 PID 3300 wrote to memory of 4824 3300 43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3300 -
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\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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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\fwZBnhxon.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1028
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fwZBnhxon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86A5.tmp"2⤵
- Creates scheduled task(s)
PID:2636
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C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"C:\Users\Admin\AppData\Local\Temp\43812dd4d2f3e8d95772c7687f2e0957c7c14fab76e77c7dfc75e0792e2f5a9a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
528B
MD5715d76a636a1ca7857496960395dc0a5
SHA16d59d66423192c0d0dce6e72739d2ab1fbac9af9
SHA25645f4eccf2034fa0ef0e311593f5ddc6e85162293695d6089b8d8344117fae447
SHA5125d08dc5d891ad1aaf698ea19a1e921cd18878e8f13e87cca7dd0bb11cfd5b018973fcf7283bdd390f77207f0b13473e0482c747774e43da6b831531ff8830b41
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52e23d20ae315834920a40456b4b7d376
SHA14915036b1a82928cbd480f50f4829cc1f6863497
SHA25604ab5df9c063b0b8cc3fbc9979fd183fa8ca4585ad3becd5bd52a49d5ecbd2eb
SHA51294a619883c7fb43c634c45719384c899b06b40e9e164f2147f0e2f4051115941618db4d42b64287ddc7dd7b1bbde2022736706ba5f04556d59b269101d1a987e