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Analysis
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max time kernel
510s -
max time network
513s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2023, 13:43
Static task
static1
Behavioral task
behavioral1
Sample
Kopia platnosci Bank Pekao-6100046554300060012.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
Kopia platnosci Bank Pekao-6100046554300060012.exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
Kopia platnosci Bank Pekao-6100046554300060012.exe
Resource
win10v2004-20230220-en
General
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Target
Kopia platnosci Bank Pekao-6100046554300060012.exe
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Size
501KB
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MD5
26a08f0f611ff71679873104dbea4d39
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SHA1
a76c3a9ac264878f0d715e81820b5edaa3c621a3
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SHA256
5b0cb936865587b7d9fa14900e6ba7710d145872b77ac57570b3521c10191cda
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SHA512
51bf94b0d41216f02fe776c939561eee028de0bdfa33f2777947ff386e62f8f09363f83efae786124a8539b8b1e9fe2893a37f4d32f2994f5b5602f6f97528f0
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SSDEEP
6144:mclAYP4QmP2qYmWCYyB9QSn8qq13w3CpjGDiSzdrnFvsHLZBqJ1Si82EOQis:b3S63u1nFvsHLZi1SiREX
Malware Config
Extracted
Protocol: smtp- Host:
smtp.1und1.de - Port:
587 - Username:
[email protected] - Password:
xwwwbm1919
Extracted
agenttesla
Protocol: smtp- Host:
smtp.1und1.de - Port:
587 - Username:
[email protected] - Password:
xwwwbm1919 - 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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation Kopia platnosci Bank Pekao-6100046554300060012.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Kopia platnosci Bank Pekao-6100046554300060012.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Kopia platnosci Bank Pekao-6100046554300060012.exe Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Kopia platnosci Bank Pekao-6100046554300060012.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1060 set thread context of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2288 powershell.exe 2288 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 1816 Kopia platnosci Bank Pekao-6100046554300060012.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1060 wrote to memory of 2288 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 86 PID 1060 wrote to memory of 2288 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 86 PID 1060 wrote to memory of 2288 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 86 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 PID 1060 wrote to memory of 1816 1060 Kopia platnosci Bank Pekao-6100046554300060012.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Kopia platnosci Bank Pekao-6100046554300060012.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Kopia platnosci Bank Pekao-6100046554300060012.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Kopia platnosci Bank Pekao-6100046554300060012.exe"C:\Users\Admin\AppData\Local\Temp\Kopia platnosci Bank Pekao-6100046554300060012.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288
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C:\Users\Admin\AppData\Local\Temp\Kopia platnosci Bank Pekao-6100046554300060012.exe"C:\Users\Admin\AppData\Local\Temp\Kopia platnosci Bank Pekao-6100046554300060012.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1816
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Kopia platnosci Bank Pekao-6100046554300060012.exe.log
Filesize1KB
MD53a9188331a78f1dbce606db64b841fcb
SHA18e2c99b7c477d06591a856a4ea3e1e214719eee8
SHA256db4137e258a0f6159fda559a5f6dd2704be0582c3f0586f65040c7ad1eb68451
SHA512d1a994610a045d89d5d306866c24ae56bf16555414b8f63f632552568e67b5586f26d5a17a1f0a55ada376730298e6d856e9161828d4eae9decfa4e015e0e90a
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82