Analysis
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max time kernel
123s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
05-12-2023 18:18
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.21905.7332.exe
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Size
860KB
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MD5
e7baaee502ac82e9bd0df28da8bcc066
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SHA1
670d41f85ae6ef92f0ac0d4d02f6d14aab409a81
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SHA256
e28d683f4f77a06bc3777f35f6adb3e2e31eb77bffda02aff5a9174fb0f7afc3
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SHA512
126fc5963a4c89dea013a257b23118d226584fecb7cd597b4d9d10cefcb90405ca669cc27d2f749bfa4002f782f82a0c1971e0d099680516bd416562bf64959a
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SSDEEP
12288:DT5VH5nF8pREGHTbY5dtSgOhbly3xzT7wlttC3oJDWwFGGBhhMd96EhMxX2if2J5:xtmMchxUUFPDtFGEh6d96lg62J
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.asiaparadisehotel.com - Port:
587 - Username:
[email protected] - Password:
KTNL)LqQaA(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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 1 IoCs
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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.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 9 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21905.7332.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21905.7332.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lakRqEsCRYS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lakRqEsCRYS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1901.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 20603⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1792 -ip 17921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5d8ff9ab7b54dc7b25503ddd607beb1c2
SHA1e7a6f97efc55d4a90d58a3141a3639c1dda3a591
SHA256a7d2d22136577729301d059f2b873ae9bb3b7faefcfcf39c21a8180cfe649ccd
SHA51234285a870ff274dba5439d52b29a9777e750cdcca3f7712c45fac855c72e8b3947532bf7eb400e6da106a112de3b07bc5ffbbbbfaa2b58441bef3807f6b05f13
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
264KB
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Filesize
40KB
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Filesize
64KB
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Filesize
40KB
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Filesize
576KB
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Filesize
624KB
-
Filesize
888KB
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Filesize
96KB
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Filesize
32KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
120KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
408KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
304KB
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Filesize
64KB
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Filesize
64KB
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Filesize
200KB
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Filesize
304KB
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Filesize
136KB
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Filesize
652KB
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Filesize
6.5MB
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Filesize
104KB
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Filesize
40KB
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Filesize
600KB
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Filesize
68KB
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Filesize
6.2MB
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Filesize
56KB
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Filesize
80KB
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Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB