Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
17-07-2023 16:03
Static task
static1
Behavioral task
behavioral1
Sample
RePack_Installer.exe
Resource
win7-20230712-en
General
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Target
RePack_Installer.exe
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Size
33.7MB
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MD5
391148ba6a49c21f1561f0b358c4adc5
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SHA1
9eaf6f202172a3bdaa5ef751b9e3ed359eb4557a
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SHA256
75cd90a2f1d3620498799556ea9b9217aa5048c27db0a31f6f365cf01d713bd0
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SHA512
628b51c10748c0635ff3409e14546257ebee44fc45cfc48f1cb51e73d99fa8bbe7cc9e4250a5cecf6059bfbf859aacdbe12670e83103042a6eb346e21f4c4423
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SSDEEP
393216:k5zFjww2tS26qtUkzgwhTlGQx2YR+1WPe6vcYEa75Y7sizuQUZ8q5q5XiMusXNRp:krOiY9TlJckPeK3P7+vDqY9VJnp
Malware Config
Extracted
vidar
4.7
https://t.me/hwbhjegyuvbgyugge
https://t.me/hwbhjegyuvbgyugge
https://t.me/jhfvykuwgfwekuifwbe
https://t.me/eagl3z
https://steamcommunity.com/profiles/76561199159550234
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profile_id_v2
https://t.me/hwbhjegyuvbgyugge
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq
Extracted
systembc
91.103.252.89:4317
91.103.252.57:4317
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
RePack_Installer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation RePack_Installer.exe -
Executes dropped EXE 1 IoCs
Processes:
97859172639746208806.exepid process 3844 97859172639746208806.exe -
Loads dropped DLL 2 IoCs
Processes:
AddInProcess32.exepid process 1988 AddInProcess32.exe 1988 AddInProcess32.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
RePack_Installer.exedescription ioc process File opened (read-only) \??\F: RePack_Installer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RePack_Installer.exedescription pid process target process PID 3056 set thread context of 1988 3056 RePack_Installer.exe AddInProcess32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AddInProcess32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
RePack_Installer.exepowershell.exepowershell.exeAddInProcess32.exepid process 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 3056 RePack_Installer.exe 4680 powershell.exe 4680 powershell.exe 2192 powershell.exe 2192 powershell.exe 1988 AddInProcess32.exe 1988 AddInProcess32.exe 1988 AddInProcess32.exe 1988 AddInProcess32.exe 1988 AddInProcess32.exe 1988 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
RePack_Installer.exeAddInProcess32.exedescription pid process target process PID 3056 wrote to memory of 4680 3056 RePack_Installer.exe powershell.exe PID 3056 wrote to memory of 4680 3056 RePack_Installer.exe powershell.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 2192 3056 RePack_Installer.exe powershell.exe PID 3056 wrote to memory of 2192 3056 RePack_Installer.exe powershell.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 3056 wrote to memory of 1988 3056 RePack_Installer.exe AddInProcess32.exe PID 1988 wrote to memory of 3844 1988 AddInProcess32.exe 97859172639746208806.exe PID 1988 wrote to memory of 3844 1988 AddInProcess32.exe 97859172639746208806.exe PID 1988 wrote to memory of 3844 1988 AddInProcess32.exe 97859172639746208806.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RePack_Installer.exe"C:\Users\Admin\AppData\Local\Temp\RePack_Installer.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMwA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4680
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\ProgramData\97859172639746208806.exe"C:\ProgramData\97859172639746208806.exe"3⤵
- Executes dropped EXE
PID:3844
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAANAA=2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5.2MB
MD5207ed0903410689b4eb564b0dab81a07
SHA1cfbbe45ae02a2e9cd4b6bdcd7fc63015f2c23883
SHA256e3084d6849a180a71fd06b624b401a416695bf5db4a1cc7d28410ef7a143a175
SHA5121738f751cd2436affcbbbd099b4b6ed7c833e009a4b960cae6c3a31c98e4be00a13defcd5a68a4fd8288c702f90fba1efe65cc0f2fc0b58aea010cb43b2dcd87
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Filesize
5.2MB
MD5207ed0903410689b4eb564b0dab81a07
SHA1cfbbe45ae02a2e9cd4b6bdcd7fc63015f2c23883
SHA256e3084d6849a180a71fd06b624b401a416695bf5db4a1cc7d28410ef7a143a175
SHA5121738f751cd2436affcbbbd099b4b6ed7c833e009a4b960cae6c3a31c98e4be00a13defcd5a68a4fd8288c702f90fba1efe65cc0f2fc0b58aea010cb43b2dcd87
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Filesize
5.2MB
MD5207ed0903410689b4eb564b0dab81a07
SHA1cfbbe45ae02a2e9cd4b6bdcd7fc63015f2c23883
SHA256e3084d6849a180a71fd06b624b401a416695bf5db4a1cc7d28410ef7a143a175
SHA5121738f751cd2436affcbbbd099b4b6ed7c833e009a4b960cae6c3a31c98e4be00a13defcd5a68a4fd8288c702f90fba1efe65cc0f2fc0b58aea010cb43b2dcd87
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
2KB
MD52f57fde6b33e89a63cf0dfdd6e60a351
SHA1445bf1b07223a04f8a159581a3d37d630273010f
SHA2563b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
SHA51242857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
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Filesize
1KB
MD51bad2704664b4c1a190586ec492be65f
SHA11c98e6645c66774152c184d23f7a3178ce522e7b
SHA2565950586396814b38bfdbb86757839fc8c7ce3eb73577775473c29ce6be81fe3e
SHA512668553c12f1e5560baba826d5c8b139d7c7e323b6aa4e3723aaca479850f898c147d63cb77d305d715044db1e75cf501d6502ca214c7ed05ded424b230893bb0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82