Analysis Overview
SHA256
af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb
Threat Level: Known bad
The file MalwareBazaar.26 was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-23 14:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-23 14:36
Reported
2024-07-23 14:39
Platform
win7-20240708-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2908 set thread context of 2880 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tPbnVzkURocjXA.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tPbnVzkURocjXA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD3E.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | newnex.3utilities.com | udp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | npaperjoy.com | udp |
| US | 199.188.206.52:443 | npaperjoy.com | tcp |
| US | 199.188.206.52:443 | npaperjoy.com | tcp |
Files
memory/2908-0-0x00000000743CE000-0x00000000743CF000-memory.dmp
memory/2908-1-0x0000000000F70000-0x00000000010D2000-memory.dmp
memory/2908-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp
memory/2908-3-0x0000000000A50000-0x0000000000A6A000-memory.dmp
memory/2908-4-0x0000000000B10000-0x0000000000B1E000-memory.dmp
memory/2908-5-0x00000000060D0000-0x00000000061B0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpCD3E.tmp
| MD5 | 38e566c885f58d0c2ab0dbcc33a4a51a |
| SHA1 | 25fb872caf289ec8badfd40fdb0f7dfb473f77a3 |
| SHA256 | 02d89db9caf7b17fa22d758d9f10037c09251a06ed4655bc4e17e7950eb0aeeb |
| SHA512 | 7a59af5604794cf2980a657f1aad0023dc45cb1f3ce9a2afaab2c67f23498b2cccbb99b8d98d3b3b6415ba8fb87ba3b0fa0cab42ddf51ffd1c634d34ac7170b0 |
memory/2880-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2880-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2908-36-0x00000000743C0000-0x0000000074AAE000-memory.dmp
memory/2880-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-45-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabFEEA.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarFEFD.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
memory/2880-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-108-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | b213e1e9d755e4d68e8e8a8402377f5a |
| SHA1 | 5731b5efaa7066c0ff41fe66f63fba72760a8e13 |
| SHA256 | 84148ae03ea9f4fc6614d4cf23dc2abf962259173e004ff342c1c917d0e5dfcb |
| SHA512 | 274c78e91349a55c53dfb299075488e0f83eed16ad17a766c0f431e1a284486288794520583617fbf7838be5dc91adf05a25428d367c2fa92ebd691e0847c485 |
memory/2880-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-124-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-131-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-132-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-23 14:36
Reported
2024-07-23 14:39
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2848 set thread context of 5072 | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tPbnVzkURocjXA.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tPbnVzkURocjXA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | newnex.3utilities.com | udp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.242.243.104.in-addr.arpa | udp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 104.243.242.168:8580 | newnex.3utilities.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | npaperjoy.com | udp |
| US | 199.188.206.52:443 | npaperjoy.com | tcp |
| US | 8.8.8.8:53 | 52.206.188.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.38.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.149.64.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 199.188.206.52:443 | npaperjoy.com | tcp |
| US | 52.111.227.14:443 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/2848-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp
memory/2848-1-0x0000000000730000-0x0000000000892000-memory.dmp
memory/2848-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
memory/2848-3-0x00000000052E0000-0x0000000005372000-memory.dmp
memory/2848-4-0x0000000005380000-0x00000000056D4000-memory.dmp
memory/2848-5-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/2848-6-0x00000000057B0000-0x00000000057BA000-memory.dmp
memory/2848-7-0x0000000007FC0000-0x0000000007FDA000-memory.dmp
memory/2848-8-0x0000000006920000-0x000000000692E000-memory.dmp
memory/2848-9-0x0000000006A10000-0x0000000006AF0000-memory.dmp
memory/2848-10-0x0000000006B90000-0x0000000006C2C000-memory.dmp
memory/4136-15-0x0000000004AA0000-0x0000000004AD6000-memory.dmp
memory/4136-16-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4136-19-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4136-18-0x00000000051F0000-0x0000000005818000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp
| MD5 | 519769ecfe8c69461a5d9b45ff9fbef0 |
| SHA1 | b2d2428fc0fadc8af44d2f01334c4757b3ad77d3 |
| SHA256 | ae105a8c64918d089d4657f53cc13b6c378a051036ca196818df3e0705d41880 |
| SHA512 | 8cde960ad4a75bf1e69f8bf0baca30765b5e3fe749265063cecf1b8104b87e84db7f4fe773927bc5d11c23aec12aa03925150517602dc41353207c655c12017d |
memory/4136-20-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4136-22-0x0000000005140000-0x00000000051A6000-memory.dmp
memory/5072-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4136-25-0x0000000005820000-0x0000000005886000-memory.dmp
memory/5072-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-42-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zoatcjd0.zsc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4136-21-0x0000000004FA0000-0x0000000004FC2000-memory.dmp
memory/2848-45-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4136-44-0x0000000006100000-0x000000000614C000-memory.dmp
memory/4136-43-0x0000000006070000-0x000000000608E000-memory.dmp
memory/4136-46-0x0000000006650000-0x0000000006682000-memory.dmp
memory/4136-47-0x000000006F3E0000-0x000000006F42C000-memory.dmp
memory/4136-57-0x0000000006690000-0x00000000066AE000-memory.dmp
memory/4136-58-0x0000000007260000-0x0000000007303000-memory.dmp
memory/4136-59-0x00000000079E0000-0x000000000805A000-memory.dmp
memory/4136-60-0x0000000007390000-0x00000000073AA000-memory.dmp
memory/4136-61-0x0000000007410000-0x000000000741A000-memory.dmp
memory/4136-62-0x0000000007610000-0x00000000076A6000-memory.dmp
memory/4136-63-0x0000000007590000-0x00000000075A1000-memory.dmp
memory/4136-64-0x00000000075C0000-0x00000000075CE000-memory.dmp
memory/4136-65-0x00000000075D0000-0x00000000075E4000-memory.dmp
memory/4136-66-0x00000000076D0000-0x00000000076EA000-memory.dmp
memory/4136-67-0x00000000076B0000-0x00000000076B8000-memory.dmp
memory/4136-70-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/5072-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-76-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | b213e1e9d755e4d68e8e8a8402377f5a |
| SHA1 | 5731b5efaa7066c0ff41fe66f63fba72760a8e13 |
| SHA256 | 84148ae03ea9f4fc6614d4cf23dc2abf962259173e004ff342c1c917d0e5dfcb |
| SHA512 | 274c78e91349a55c53dfb299075488e0f83eed16ad17a766c0f431e1a284486288794520583617fbf7838be5dc91adf05a25428d367c2fa92ebd691e0847c485 |
memory/5072-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-90-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5072-122-0x0000000000400000-0x0000000000482000-memory.dmp