Analysis Overview
SHA256
df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731
Threat Level: Known bad
The file df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
Arkei
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Executes dropped EXE
Downloads MZ/PE file
Checks computer location settings
Loads dropped DLL
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-09 19:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-09 19:50
Reported
2022-05-09 19:58
Platform
win7-20220414-en
Max time kernel
151s
Max time network
157s
Command Line
Signatures
Arkei
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\azne.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2004 set thread context of 1768 | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\azne.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe
"C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Users\Admin\AppData\Roaming\azne.exe
"C:\Users\Admin\AppData\Roaming\azne.exe"
C:\Users\Admin\AppData\Roaming\pm.exe
"C:\Users\Admin\AppData\Roaming\pm.exe"
Network
| Country | Destination | Domain | Proto |
| SC | 185.215.113.89:80 | 185.215.113.89 | tcp |
| US | 8.8.8.8:53 | rockrock.ug | udp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
Files
memory/2004-54-0x0000000000B80000-0x0000000000B9E000-memory.dmp
memory/2004-55-0x0000000076191000-0x0000000076193000-memory.dmp
memory/2004-56-0x0000000008600000-0x0000000008764000-memory.dmp
memory/2004-57-0x0000000005240000-0x0000000005288000-memory.dmp
memory/1768-58-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-59-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-61-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-63-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-64-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-66-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-67-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-68-0x000000000043C0B2-mapping.dmp
memory/1768-70-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-71-0x0000000000400000-0x000000000043D000-memory.dmp
memory/1768-73-0x0000000060900000-0x0000000060992000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
memory/1552-98-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
C:\Users\Admin\AppData\Roaming\azne.exe
| MD5 | 683600b61a32d3eb2cd44cb34fdf7ab3 |
| SHA1 | e8bdd864c2610495850bf525cd1529c66c0b0b53 |
| SHA256 | 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29 |
| SHA512 | 5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389 |
memory/1552-101-0x0000000000C60000-0x0000000000C7E000-memory.dmp
\Users\Admin\AppData\Roaming\pm.exe
| MD5 | c1bd96a453abf8e7c351e3ebc73f5609 |
| SHA1 | fd59fde43cf8c803852d338a9a96c1e838017787 |
| SHA256 | 356719152a85512bc00817774000c94d8b07650126dd0097989bab781053fbac |
| SHA512 | d0608b7b069360327544fbf4e3ab89012361c188973c50e7ddf825dacc8d0e1b786c08e1118a23acd1b84252a1b9e4b7513ebaceea622b3b7a9bbb1414ebb6d2 |
\Users\Admin\AppData\Roaming\pm.exe
| MD5 | d97cfd933cde9a414e3e6a8b11bbc0e7 |
| SHA1 | af5511babd999a2549ceba12bd5ee9d49c9d0541 |
| SHA256 | 35db31ccfab2eded505aea3dbd63a8c9452e9cae2338f346cc5865c3427e648c |
| SHA512 | 6af3acac4831dc5358f792eb8b43b9107dffc741990f9bafe0d7c34f0d40d7bc2e103e9a105ec9e2158161908822a036a10f32375d70ef94b03dafd62c2f819b |
\Users\Admin\AppData\Roaming\pm.exe
| MD5 | f4e6a8663ce0d5e899ae7b08ff05cfcb |
| SHA1 | da064634e52818c44e93f97ecbf7ad305de454ea |
| SHA256 | c61c716dc00b99602f7086abd39cfa666bdbe21596db52f7c96b78a91b8f1dab |
| SHA512 | 9ae163eeb4a84aba76ffb7719583295039b3f2ac91ffd6e2d98b527186f9b1a3eebeda39328d872ee735c312fa08af64ee823109faacb1496f765e6c41f96a3d |
C:\Users\Admin\AppData\Roaming\pm.exe
| MD5 | ca055c1392d7c2c1042f36f381c5e233 |
| SHA1 | 27ca3d15e63ea61af967f60fed71d841361c0907 |
| SHA256 | 76ffe6a0da3dd20693c57872faed0eb57da3045504355ac50c4a84c8f78d7269 |
| SHA512 | 09d5ceec5825ada22e548d39c2deb8c79bac9a50d5d1a9514a6605003ec3b610ef0510bd1aee93858c3629148f732b523c6f537bbc48d690a037b294d787e855 |
\Users\Admin\AppData\Roaming\pm.exe
| MD5 | 22e6d862d6f51b6283b60badf02b6f81 |
| SHA1 | 11920f1bf418f67cdbef320aa1afee596ef27537 |
| SHA256 | dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33 |
| SHA512 | ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a |
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-09 19:50
Reported
2022-05-09 19:59
Platform
win10v2004-20220414-en
Max time kernel
148s
Max time network
180s
Command Line
Signatures
Arkei
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1344 set thread context of 4792 | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe
"C:\Users\Admin\AppData\Local\Temp\df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4792 -ip 4792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 1264
Network
| Country | Destination | Domain | Proto |
| US | 13.89.178.26:443 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| SC | 185.215.113.89:80 | 185.215.113.89 | tcp |
| US | 8.8.8.8:53 | rockrock.ug | udp |
| SC | 185.215.113.89:80 | rockrock.ug | tcp |
Files
memory/1344-130-0x00000000004D0000-0x00000000004EE000-memory.dmp
memory/1344-131-0x0000000005540000-0x0000000005AE4000-memory.dmp
memory/1344-132-0x0000000004EE0000-0x0000000004F72000-memory.dmp
memory/1344-133-0x0000000004E90000-0x0000000004E9A000-memory.dmp
memory/4792-134-0x0000000000000000-mapping.dmp
memory/4792-135-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4792-137-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4792-138-0x0000000000400000-0x000000000043D000-memory.dmp
memory/4792-139-0x0000000060900000-0x0000000060992000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |