Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
08/08/2023, 13:13
Static task
static1
Behavioral task
behavioral1
Sample
708415278200.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
708415278200.exe
Resource
win10v2004-20230703-en
General
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Target
708415278200.exe
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Size
1.0MB
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MD5
158748c68c6020ea891efa8286390152
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SHA1
07a4eedeccca3144728289594780ce483a6349a4
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SHA256
1e1ff24f4fb7e44eb28295debcc6a6ea5015361253d18a90daeecbb1bd2afa34
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SHA512
ac8d4796acb776a0f38d191cbf48ac3cdcb55457153daaa9911fd8efdb5aff0b9c6da2d6b5065905a8ca12d961b36d0dadfb6b853f2795ecd6bdea123b2b453c
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SSDEEP
24576:11I1R1I1nRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOLOgu0V5dGclWzD:1GvGRRs6CE3jLbO9Rs6CE3jLbORu0Pdo
Malware Config
Signatures
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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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows\CurrentVersion\Run\wSStSI = "C:\\Users\\Admin\\AppData\\Roaming\\wSStSI\\wSStSI.exe" 708415278200.exe -
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 3 api.ipify.org 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2480 set thread context of 2908 2480 708415278200.exe 32 -
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 2976 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2480 708415278200.exe 2908 708415278200.exe 2908 708415278200.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2480 708415278200.exe Token: SeDebugPrivilege 2908 708415278200.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2480 wrote to memory of 2976 2480 708415278200.exe 30 PID 2480 wrote to memory of 2976 2480 708415278200.exe 30 PID 2480 wrote to memory of 2976 2480 708415278200.exe 30 PID 2480 wrote to memory of 2976 2480 708415278200.exe 30 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32 PID 2480 wrote to memory of 2908 2480 708415278200.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\708415278200.exe"C:\Users\Admin\AppData\Local\Temp\708415278200.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BALCIwRur" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBBD0.tmp"2⤵
- Creates scheduled task(s)
PID:2976
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C:\Users\Admin\AppData\Local\Temp\708415278200.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD55ec1ed30c62c4c0841af41dcf82d979b
SHA10255c8e4d6b156fc6dc29224fb2a50f7b0833b85
SHA2565565b401eb7fe7d1e3a4356c722362a30d9c57148e5e3b51777cdced819d4c82
SHA51271afd3c2a8cb38e188c059c5feb26dd4c00252f93b0e5e29c6e6c99343af0853b7c2a3460fcfc67247d29709f186c4dabd1caba229fe578a07397acd9b604bfe