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Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
26/08/2023, 14:42
Static task
static1
Behavioral task
behavioral1
Sample
6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe
Resource
win10v2004-20230703-en
General
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Target
6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe
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Size
968KB
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MD5
513142f5bce52f2ee107ea67c999d39b
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SHA1
303c82a2f3d32f625bfbc3bd6d6c03b18c9fd354
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SHA256
6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c
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SHA512
b2fe8fdc970a500fe2fa12a4bb971c801d99aef20434c5928629627f6d9f708124704d135790aa757f26e8dc130564770754411ec05a3fb9038aadd26dcd166c
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SSDEEP
12288:mK4JuxVWU6i5dKSWrVTgmSkN8JKRQmZ2CWPeCDv4m:Jy8VW526VBImZ23PZ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
kV$bSqJ1 daniel - 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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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-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe" 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.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 37 api.ipify.org 38 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2476 set thread context of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 -
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 4936 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe Token: SeDebugPrivilege 3356 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2476 wrote to memory of 4936 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 92 PID 2476 wrote to memory of 4936 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 92 PID 2476 wrote to memory of 4936 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 92 PID 2476 wrote to memory of 3940 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 94 PID 2476 wrote to memory of 3940 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 94 PID 2476 wrote to memory of 3940 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 94 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95 PID 2476 wrote to memory of 3356 2476 6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe"C:\Users\Admin\AppData\Local\Temp\6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kceJBsRviLeeRB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB41.tmp"2⤵
- Creates scheduled task(s)
PID:4936
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C:\Users\Admin\AppData\Local\Temp\6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe"{path}"2⤵PID:3940
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C:\Users\Admin\AppData\Local\Temp\6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3356
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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\6e661564df86bdba62028ad317f579b9ee7d91b4d131b26ea3efad24992a065c_JC.exe.log
Filesize1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD5ba619d44f4bff5e4f7b18e8cd9d858c2
SHA1a7108edcb98b1130ef25d7f06b44884aab3aa352
SHA2568fd61d2b30ce21b8cc8d12c2150e55145fbd8f28806fc75f9004cc2bbac3a59d
SHA512b1e01f4516cfc7931cb1aad7652ad150685fe5ce76bc7268ada8ec4abe22b0bdf425bb55ecd3aa72002775ff602f99c116029317ed5531d633d6172acd658c4e