Analysis
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max time kernel
131s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 06:28
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
Resource
win7-20231130-en
General
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Target
SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe
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Size
690KB
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MD5
d5288b1e9b08397e2ac89405c34b749f
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SHA1
a6f7a1d5e04a167e5a5ce160094d5da5b89036b2
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SHA256
704e5626e3a5c8b1b3dbefbeabca7488e77758c9aed89d0dc7e30d18da1b6bd9
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SHA512
df07aa72d2b50b02516d6ddd0659f5931ce930a04e3cabb65d251661c0e09e9688a788ab184084805a5d33aefccc378e91acb9be1b921c6a4169bcbbaef8552e
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SSDEEP
12288:b3IU8S6eUdNw9V18pt2FDKXSn6B8SKWRKL2ZIezvJBAhvRlCP5:rItSAdWrqiedtrYLjSxBATw5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.nutiribio.com - Port:
587 - Username:
[email protected] - Password:
ATSzdD^8 - 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/636-6-0x0000000006150000-0x0000000006168000-memory.dmp family_zgrat_v1 -
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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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 78 api.ipify.org 79 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 636 set thread context of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4824 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 4824 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 4824 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4824 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe Token: SeManageVolumePrivilege 4172 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105 PID 636 wrote to memory of 4824 636 SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.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:4076
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4172
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.21504.18984.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3