Analysis
- max time kernel
140s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
08/04/2024, 01:53
Behavioral task
behavioral1
Sample
b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe
Resource
win7-20240220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe
Resource
win10v2004-20240226-en
9 signatures
150 seconds
General
- Target b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe
- Size 2.7MB
- Sample240408-ca9q9add74
- SHA256 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d
- MD5 406f5e63243a13ea32988862ef5cbbe9
- SHA1 6c548f7cfc7f65ed9a4fb1b33978fa6ee26b0167
- SHA512 a98d5cd5bba87c04c322cfc49747611a39abdfc76383e20b545dbbf4d60996e3ce764bdd9ceb8ebd17fa00176b1711c4150bd3c9661c7f3ff2e455ebbbd94885
- SSDEEP 49152:mSmU1mSr8th1CFa/ywP2/QLaLG2ewo+u2lIH55VlGPszxTy9xUbRUpBYY:9fru7X/v2/KF+Xl25DMPszxSUbSp6Y
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect ZGRat V1 35 IoCs
resource yara_rule behavioral2/memory/3632-4-0x0000000007B90000-0x0000000007E20000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-7-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-8-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-10-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-12-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-14-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-16-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-18-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-20-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-22-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-24-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-26-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-28-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-30-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-32-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-34-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-36-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-38-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-40-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-42-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-44-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-46-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-48-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-50-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-52-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-54-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-56-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-58-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-60-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-62-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-64-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-68-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-66-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/3632-70-0x0000000007B90000-0x0000000007E1B000-memory.dmp family_zgrat_v1 behavioral2/memory/432-4899-0x0000000004B70000-0x0000000004C4C000-memory.dmp family_zgrat_v1 - PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/3632-0-0x00000000007E0000-0x0000000000A96000-memory.dmp family_purelog_stealer - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d = "C:\\Users\\Admin\\AppData\\Roaming\\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe" powershell.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3632 set thread context of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2232 powershell.exe 2232 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe Token: SeDebugPrivilege 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe Token: SeDebugPrivilege 432 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe Token: SeDebugPrivilege 2232 powershell.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 3632 wrote to memory of 432 3632 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 97 PID 432 wrote to memory of 2232 432 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 98 PID 432 wrote to memory of 2232 432 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 98 PID 432 wrote to memory of 2232 432 b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe"C:\Users\Admin\AppData\Local\Temp\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Users\Admin\AppData\Local\Temp\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe"C:\Users\Admin\AppData\Local\Temp\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d' -Value '"C:\Users\Admin\AppData\Roaming\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe"' -PropertyType 'String'3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b50a24fe7d0efd0f3463d8971633544475739bfcac06a79112739f03149f674d.exe.log
- Size 805B
- SHA256 6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
- MD5 58a9108e39c2ea50e65c23be3a9407cf
- SHA1 fb21f7b9330aa1a77080a3243b81b49035102d7b
- SHA512 93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r1qnptsa.ctm.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512