Analysis
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max time kernel
145s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2023 20:08
Static task
static1
Behavioral task
behavioral1
Sample
LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe
Resource
win7-20231201-en
General
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Target
LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe
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Size
618KB
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MD5
ef83aecc2603e9cbf458c502bff0655c
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SHA1
b847e6b115ce83f0622e0d4e1f370b8f42da2f80
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SHA256
2b486ce27109e1922e7b1623b94178813248820c46b8cee889af078ae9f4ba54
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SHA512
7d3bedc4e1af1e2db66fd5e7dba46247e11c172eb3bb4d5ae914ce68d85f6b9b7bba1980301209725f375a7a23b825422ba64f055104ec1085470e70063310e0
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SSDEEP
12288:upEmQepZMSTtH4jbP6stFRklnzTUt0hjMyOH5z9meo8mVzLcsmMaZK:upECtH4v6yGzrInR9wfzldR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.abi0expertise.com - Port:
587 - Username:
[email protected] - Password:
Najwa1949! - 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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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/3764-7-0x0000000005B30000-0x0000000005B48000-memory.dmp family_zgrat_v1 -
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-1-5-21-3936660601-1848837011-2142350499-1000\Control Panel\International\Geo\Nation LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.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 3764 set thread context of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 -
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 4916 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4824 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 4824 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 4824 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 3788 powershell.exe 3788 powershell.exe 3788 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4824 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeManageVolumePrivilege 4288 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3764 wrote to memory of 3788 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 101 PID 3764 wrote to memory of 3788 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 101 PID 3764 wrote to memory of 3788 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 101 PID 3764 wrote to memory of 4916 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 103 PID 3764 wrote to memory of 4916 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 103 PID 3764 wrote to memory of 4916 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 103 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105 PID 3764 wrote to memory of 4824 3764 LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oCHVJGSwfhuI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3788
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oCHVJGSwfhuI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B77.tmp"2⤵
- Creates scheduled task(s)
PID:4916
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C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:2636
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD530363c71974d76dcb6ee0f3d9c5e477b
SHA152e2b9482801858be2862124a8cb63c051f0c62c
SHA2563e599c3e1313e6b6495b7df74ad292f4bf030bdf407d681188f52b6ceba12db9
SHA5129bd2052ac5f0cd92b76a9e88dd4a9d244ea84b92d4734713bf6e2e3368a7a472504a456c9d6267b1b8aa630cc89a4ce5c5e900eeb3097f9d30dc7b10c906f582