Analysis Overview
SHA256
a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07
Threat Level: Known bad
The file a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07 was found to be: Known bad.
Malicious Activity Summary
Stealc
Stealc family
Downloads MZ/PE file
Reads data files stored by FTP clients
Executes dropped EXE
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Loads dropped DLL
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Program crash
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-27 13:07
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-27 13:07
Reported
2024-10-27 13:09
Platform
win7-20240903-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Stealc
Stealc family
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\AdminAECFCAAECB.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\AdminAECFCAAECB.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\PING.EXE | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe
"C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminAECFCAAECB.exe"
C:\Users\AdminAECFCAAECB.exe
"C:\Users\AdminAECFCAAECB.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\AdminAECFCAAECB.exe
C:\Windows\SysWOW64\PING.EXE
ping 2.2.2.2 -n 1 -w 3000
Network
| Country | Destination | Domain | Proto |
| RU | 62.122.184.144:80 | 62.122.184.144 | tcp |
| RU | 176.113.115.215:80 | 176.113.115.215 | tcp |
Files
memory/2212-1-0x0000000002C90000-0x0000000002D90000-memory.dmp
memory/2212-2-0x0000000000400000-0x0000000000661000-memory.dmp
memory/2212-3-0x0000000000400000-0x0000000002B67000-memory.dmp
memory/2212-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2212-48-0x0000000002C90000-0x0000000002D90000-memory.dmp
\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/2212-61-0x0000000000400000-0x0000000000661000-memory.dmp
memory/2212-60-0x0000000000400000-0x0000000002B67000-memory.dmp
C:\ProgramData\DebugExit.xlsx
| MD5 | ef0ca6c52f5521acb8ff5c809a6a1fe4 |
| SHA1 | f749c778cd74e088dfc84e349d69f0bdfd9c63aa |
| SHA256 | 8fcc5a5e14bfa0b9c0b16b2bc89ab1b863248a9550fb7129ada7d7d9be90cc00 |
| SHA512 | 526c1ebef62fa05a5ac1c1e7ebfef32302e5dbdf380b588ac0c2776efbb9a9cdf53a74dcb067fc5058f39631a6ed9ebd37d3b1c6f56d4ebd5e32930670bded69 |
C:\ProgramData\StepCompress.docx
| MD5 | 26df9819edbf867893d52a4062e5daf7 |
| SHA1 | 7a12353b12a839a9f5253100a329e90bb0a1cfe3 |
| SHA256 | 710cf4544731542517f6b7dae73fdbb4016bbcef4b79e7714b0f97a5d5d6c1d3 |
| SHA512 | df4f067e33b548e4a39762ac6869c3837e5b251ee3f52dbc75e56fb2dbc1c8c1dd16e6f8451cafa7cc454fa315c2462fa5319c2925717399e63053fcb4c4a321 |
memory/2212-94-0x0000000000400000-0x0000000002B67000-memory.dmp
C:\Users\AdminAECFCAAECB.exe
| MD5 | 6e83d578bf8f98adabc45eed176deb4e |
| SHA1 | 67fc4cc09614d12efadbba79de47fc47649ba31b |
| SHA256 | 2c8cd6f46dd4284d3e00addb5718dc444cc4c3001e0005a3e0d12c7aaff8d4f6 |
| SHA512 | 799b8f4c87133e2aa2bc0bbe1bdb972e927e9d59060acee487622332b8528ab58ec1f0764c5b30200a32530264a6a280cf519ed90090c1b704d397679d6bfdbb |
memory/1424-105-0x00000000012E0000-0x0000000001302000-memory.dmp
memory/2212-107-0x0000000000400000-0x0000000002B67000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-27 13:07
Reported
2024-10-27 13:09
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
146s
Command Line
Signatures
Stealc
Stealc family
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe
"C:\Users\Admin\AppData\Local\Temp\a529caa8563618b1cbdbb3e561cd105f674bb35c0490c3fc8be20b109edd7b07.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2796 -ip 2796
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1296
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| RU | 62.122.184.144:80 | 62.122.184.144 | tcp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.184.122.62.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/2796-2-0x0000000002CE0000-0x0000000002D2E000-memory.dmp
memory/2796-1-0x0000000002D40000-0x0000000002E40000-memory.dmp
memory/2796-3-0x0000000000400000-0x0000000000661000-memory.dmp
memory/2796-5-0x0000000002CE0000-0x0000000002D2E000-memory.dmp
memory/2796-6-0x0000000000400000-0x0000000000661000-memory.dmp
memory/2796-4-0x0000000000400000-0x0000000002B67000-memory.dmp