Analysis Overview
SHA256
37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d
Threat Level: Known bad
The file 37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d was found to be: Known bad.
Malicious Activity Summary
Detect Socks5Systemz Payload
Socks5Systemz
Unexpected DNS network traffic destination
Executes dropped EXE
Loads dropped DLL
Checks installed software on the system
Enumerates physical storage devices
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 22:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 22:46
Reported
2024-05-30 22:51
Platform
win7-20240419-en
Max time kernel
294s
Max time network
290s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 141.98.234.31 | N/A | N/A |
| Destination IP | 141.98.234.31 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
"C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp" /SL5="$30144,5977211,54272,C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s
Network
| Country | Destination | Domain | Proto |
| HK | 141.98.234.31:53 | aqbiwhr.ru | udp |
| BG | 79.110.49.184:80 | aqbiwhr.ru | tcp |
| BG | 79.110.49.184:80 | aqbiwhr.ru | tcp |
| BG | 79.110.49.184:80 | aqbiwhr.ru | tcp |
| HK | 141.98.234.31:53 | hebjyno.net | udp |
| SE | 45.155.250.229:80 | hebjyno.net | tcp |
| SE | 45.155.250.229:80 | hebjyno.net | tcp |
| SE | 45.155.250.229:80 | hebjyno.net | tcp |
| CH | 176.10.111.158:2023 | tcp |
Files
memory/2940-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2940-0-0x0000000000400000-0x0000000000414000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-5U2KM.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
| MD5 | b7289eddee858433e99222c056f54576 |
| SHA1 | 4d972cde373fcf8df259be1b5fcafe44357ea64b |
| SHA256 | 2bb15c78f05c5000fab1bded860ca7c0059345c5d29fd542210172cada980478 |
| SHA512 | 38eb10b404204958e1dc593118ef186feb647309d84f6396d533818b725ab434173101bc29f11b076ef5c23e406209be8c2be968cc20d7922ae9588b2b9ce22a |
memory/2732-22-0x0000000000400000-0x00000000004BA000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-7JG54.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Temp\is-7JG54.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-7JG54.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
| MD5 | eb200b018a96facd0570ab212ce06378 |
| SHA1 | 398743cc717dd4de5da468f77fb42202dbb33bc7 |
| SHA256 | 3349a0d56677d86ebc01adee03e306275216d8b9cdd50a9a373cd851342ad575 |
| SHA512 | e78b2220a527c2dc6a1866492f50d8be491ecbc6e088ebbe6db8406cb60ce9bbd6574c47306b8e40ebd44b45760a41431282091331ad534217a5649782a02105 |
memory/2732-67-0x0000000003970000-0x0000000003CD0000-memory.dmp
memory/2504-68-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2504-69-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2504-72-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-74-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2940-76-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2732-77-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2492-78-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2732-81-0x0000000003970000-0x0000000003CD0000-memory.dmp
memory/2492-82-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-85-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-88-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-91-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-94-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-95-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2492-101-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-104-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-107-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-110-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-113-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-116-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-119-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-122-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-125-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-128-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-131-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-134-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2492-137-0x0000000000400000-0x0000000000760000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 22:46
Reported
2024-05-30 22:51
Platform
win10-20240404-en
Max time kernel
292s
Max time network
285s
Command Line
Signatures
Detect Socks5Systemz Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Socks5Systemz
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 91.211.247.248 | N/A | N/A |
| Destination IP | 91.211.247.248 | N/A | N/A |
Checks installed software on the system
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe
"C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp" /SL5="$70220,5977211,54272,C:\Users\Admin\AppData\Local\Temp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.exe"
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | bhdruhe.com | udp |
| BG | 79.110.49.184:80 | bhdruhe.com | tcp |
| US | 8.8.8.8:53 | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.7.f.3.d.b.5.ip6.arpa | udp |
| US | 8.8.8.8:53 | 13.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| BG | 79.110.49.184:80 | bhdruhe.com | tcp |
| BG | 79.110.49.184:80 | bhdruhe.com | tcp |
| LT | 91.211.247.248:53 | fiejmii.ru | udp |
| SE | 45.155.250.229:80 | fiejmii.ru | tcp |
| US | 8.8.8.8:53 | 229.250.155.45.in-addr.arpa | udp |
| SE | 45.155.250.229:80 | fiejmii.ru | tcp |
| SE | 45.155.250.229:80 | fiejmii.ru | tcp |
Files
memory/2796-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-LC5NP.tmp\37e9d46a9421806cf662b3e168af16f982b781be3a8bad44b21590fbb39ca99d.tmp
| MD5 | b7289eddee858433e99222c056f54576 |
| SHA1 | 4d972cde373fcf8df259be1b5fcafe44357ea64b |
| SHA256 | 2bb15c78f05c5000fab1bded860ca7c0059345c5d29fd542210172cada980478 |
| SHA512 | 38eb10b404204958e1dc593118ef186feb647309d84f6396d533818b725ab434173101bc29f11b076ef5c23e406209be8c2be968cc20d7922ae9588b2b9ce22a |
\Users\Admin\AppData\Local\Temp\is-3MHRC.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\Temp\is-3MHRC.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
memory/1180-8-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2796-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe
| MD5 | eb200b018a96facd0570ab212ce06378 |
| SHA1 | 398743cc717dd4de5da468f77fb42202dbb33bc7 |
| SHA256 | 3349a0d56677d86ebc01adee03e306275216d8b9cdd50a9a373cd851342ad575 |
| SHA512 | e78b2220a527c2dc6a1866492f50d8be491ecbc6e088ebbe6db8406cb60ce9bbd6574c47306b8e40ebd44b45760a41431282091331ad534217a5649782a02105 |
memory/32-72-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4888-69-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4888-66-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4888-65-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-75-0x0000000000400000-0x0000000000760000-memory.dmp
memory/1180-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2796-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/32-78-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-81-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-84-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-87-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-88-0x0000000002320000-0x00000000023C2000-memory.dmp
memory/32-92-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-97-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-100-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-103-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-106-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-109-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-112-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-115-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-118-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-121-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-124-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-128-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-131-0x0000000000400000-0x0000000000760000-memory.dmp
memory/32-134-0x0000000000400000-0x0000000000760000-memory.dmp