Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
08-04-2024 01:22
Static task
static1
Behavioral task
behavioral1
Sample
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe
Resource
win10v2004-20240226-en
General
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Target
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe
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Size
637KB
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MD5
ee96ba9c62c6ae099b8970512b43a31e
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SHA1
16e5f6cd0a08d0bb1a063bf254ec50de44629cef
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SHA256
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b
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SHA512
37ae2052450948a0e0e062e8a96faad7e5aedaa97bf4d684ae6cb87e063a5535520e5856202dbe648b3afca6e1ef95aefd2dae8f927c3d123f49b5eb088817c9
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SSDEEP
12288:IlPloOJRYWq0xbSnwhbL036nXpQ2SusxTCmw9zP1Ha8STEiu8MVsvl:29oOJb/xunw1LHXW2xsxszSTEiF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.w5host.com - Port:
587 - Username:
[email protected] - Password:
2M3t5MH8Wwfp - 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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exedescription pid Process procid_target PID 2040 set thread context of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 -
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.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exepowershell.exepowershell.exea5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exepid Process 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 2600 powershell.exe 2592 powershell.exe 2680 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 2680 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exepowershell.exepowershell.exea5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exedescription pid Process Token: SeDebugPrivilege 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 2680 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exedescription pid Process procid_target PID 2040 wrote to memory of 2592 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 28 PID 2040 wrote to memory of 2592 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 28 PID 2040 wrote to memory of 2592 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 28 PID 2040 wrote to memory of 2592 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 28 PID 2040 wrote to memory of 2600 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 30 PID 2040 wrote to memory of 2600 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 30 PID 2040 wrote to memory of 2600 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 30 PID 2040 wrote to memory of 2600 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 30 PID 2040 wrote to memory of 2292 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 32 PID 2040 wrote to memory of 2292 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 32 PID 2040 wrote to memory of 2292 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 32 PID 2040 wrote to memory of 2292 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 32 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34 PID 2040 wrote to memory of 2680 2040 a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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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\kGrkguaZtpZlQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kGrkguaZtpZlQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B5B.tmp"2⤵
- Creates scheduled task(s)
PID:2292
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C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5598c1071f35d8aa3e87cce11ecca41cd
SHA113a8cd89ddc56c321f5754385f5493faedd10516
SHA256f752dd20d46bdb78389cc411ae2aa2a847e9c9b034d179cd242b3c65563bd168
SHA512c986e2499f7e70f1212bbbc2ba6d0095d0c06768fb6506f373aa5365c6838bb38232c3b6e2d09e26ecafb3b1e381c2a6199ede19c209ecf91e51411c4c2cd81f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD50260b23e48db6d3285c02bb75e9c9893
SHA1cb0bc5681942b5c8299b11fe83c4a43e9a79ae9f
SHA256bd97a314b74acf62c6258c3409b3a9686cf92b159ddece0e98f2d520d3248378
SHA512445033ef5f48b3edda3ff020efcb93aa3278636427033d9a34e2d283ce25c236baa8c0f67e15a5f39faa8e68f4eb14c0a50235d89850fb082418ced084c09ac7