Analysis
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max time kernel
91s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2024, 02:24
Static task
static1
Behavioral task
behavioral1
Sample
purchase order.rar
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
purchase order.rar
Resource
win10v2004-20231215-en
General
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Target
purchase order.rar
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Size
634KB
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MD5
14f81dd4f8d52e284d3a5d17f0c3cbae
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SHA1
ad5c1e31f9a94d4a48d6f398a823da525517c84c
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SHA256
d13bcc852f97c7ecfb1106741051a7a24657a73cb32d717cbda8036f5acd1bb1
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SHA512
4f8e9e0ffcf9e85f2d607c048ad38773804da63e9d4f38c621d825a2074c5716ca7b6f6ea1ac5feba6a04c46f76daff4c3fc2db422a0a904990c0519f70d0cba
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SSDEEP
12288:GQgh82HkGs4RDCx9exTMYv6KPhOu+C1B8PmBWeAAy0HvJr5:HgTHk34R+9IMYv1qC1B+mUZA1J9
Malware Config
Extracted
Protocol: smtp- Host:
mail.showpiece.trillennium.biz - Port:
587 - Username:
[email protected] - Password:
L+D+{64UN$~{
Extracted
agenttesla
Protocol: smtp- Host:
mail.showpiece.trillennium.biz - Port:
587 - Username:
[email protected] - Password:
L+D+{64UN$~{ - 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 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation purchase order..exe -
Executes dropped EXE 2 IoCs
pid Process 4092 purchase order..exe 4736 purchase order..exe -
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.
flow ioc 54 api.ipify.org 55 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4092 set thread context of 4736 4092 purchase order..exe 102 -
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 5080 schtasks.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ 7zFM.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ 7zFM.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 636 powershell.exe 4736 purchase order..exe 4736 purchase order..exe 636 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2948 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeRestorePrivilege 2948 7zFM.exe Token: 35 2948 7zFM.exe Token: SeSecurityPrivilege 2948 7zFM.exe Token: SeDebugPrivilege 636 powershell.exe Token: SeDebugPrivilege 4736 purchase order..exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2948 7zFM.exe 2948 7zFM.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4736 purchase order..exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4348 wrote to memory of 2948 4348 cmd.exe 85 PID 4348 wrote to memory of 2948 4348 cmd.exe 85 PID 4092 wrote to memory of 636 4092 purchase order..exe 98 PID 4092 wrote to memory of 636 4092 purchase order..exe 98 PID 4092 wrote to memory of 636 4092 purchase order..exe 98 PID 4092 wrote to memory of 5080 4092 purchase order..exe 100 PID 4092 wrote to memory of 5080 4092 purchase order..exe 100 PID 4092 wrote to memory of 5080 4092 purchase order..exe 100 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102 PID 4092 wrote to memory of 4736 4092 purchase order..exe 102
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\purchase order.rar"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4348 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\purchase order.rar"2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2948
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C:\Users\Admin\Desktop\purchase order..exe"C:\Users\Admin\Desktop\purchase order..exe"1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\srYxoGRtSGIQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:636
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\srYxoGRtSGIQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp747F.tmp"2⤵
- Creates scheduled task(s)
PID:5080
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C:\Users\Admin\Desktop\purchase order..exe"C:\Users\Admin\Desktop\purchase order..exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD568ebf758c9e83ae2a600ae0e4149883d
SHA1f33adf11f2b0194711479c8d86fc19c886273148
SHA2566caad5a6ac71ebd5c9a83dc494d48e361a622d32efcda29fba44957029cc6834
SHA512ac454bb503c87c50836056289728634be18a28fb4d7581cf11d45d6f8ad5e3300d092c7fbf474f7c3364842725b6017d058edc4834ad97ce1d884d7c02166a62
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Filesize
664KB
MD5bd246f0a25127adb475f18bffe7fa32f
SHA17731f2951049985bec9bc25e98a1dd1685c8738b
SHA2565343d3596434a17adf897e320990027e8f9dad7e6e8c771ee72134f98e4749a8
SHA5124c3822da86c6991685bf4096e093c58a16cfa027a23f26ab17ecc5a7d339c1501d52fc5daf2820f46593a718d1ebd34628a97548ef1bd27a51b4e034d66887bf