Analysis Overview
SHA256
3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539
Threat Level: Known bad
The file 3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539 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
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 22:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-30 22:47
Reported
2024-05-30 22:53
Platform
win7-20240508-en
Max time kernel
293s
Max time network
281s
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-5BA1U.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 152.89.198.214 | N/A | N/A |
| Destination IP | 152.89.198.214 | 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-5BA1U.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe
"C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe"
C:\Users\Admin\AppData\Local\Temp\is-5BA1U.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5BA1U.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp" /SL5="$4010A,5417366,54272,C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe"
C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
"C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe" -i
C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
"C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe" -s
Network
| Country | Destination | Domain | Proto |
| RU | 152.89.198.214:53 | bdedixd.com | udp |
| BG | 79.110.49.184:80 | bdedixd.com | tcp |
| BG | 79.110.49.184:80 | bdedixd.com | tcp |
| BG | 79.110.49.184:80 | bdedixd.com | tcp |
| RU | 152.89.198.214:53 | idruquq.info | udp |
| SE | 45.155.250.229:80 | idruquq.info | tcp |
| SE | 45.155.250.229:80 | idruquq.info | tcp |
| SE | 45.155.250.229:80 | idruquq.info | tcp |
Files
memory/1576-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1576-2-0x0000000000401000-0x000000000040B000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-5BA1U.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp
| MD5 | 791348257179b7a0bd2a513fc9b19618 |
| SHA1 | 783834fa3c937de3d5cefc1e72cfd0cc63c657fc |
| SHA256 | 5cdf04dee7d14c9c6d768d5c3092979f3be25f5148ef39051dee584a662c921c |
| SHA512 | 8e68ed3e98f5066e5aa61e30fbe24ab500274e7994d74e8b167f5cd2b1512dde8a5c89cb5a8eedd4ae67b1414c08b312c999e79008d9e7c0255cb0c1a323ab63 |
\Users\Admin\AppData\Local\Temp\is-60JA4.tmp\_isetup\_shfoldr.dll
| MD5 | 92dc6ef532fbb4a5c3201469a5b5eb63 |
| SHA1 | 3e89ff837147c16b4e41c30d6c796374e0b8e62c |
| SHA256 | 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87 |
| SHA512 | 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3 |
memory/1388-14-0x0000000000400000-0x00000000004BA000-memory.dmp
\Users\Admin\AppData\Local\Temp\is-60JA4.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-60JA4.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
| MD5 | 8324cdab3e68429f86f378d81e6f3913 |
| SHA1 | e60cfc494a09b280fde9d23ee4ffee68aaacd695 |
| SHA256 | 2d356ffacb01af22cc06e089702c9404dc3811eca6d7526d06940ae301e6c9e1 |
| SHA512 | 4f143c2e463b3bf473d8b254ac757aec13b9f444cfea5537594ce0283880712ff3895110538b7faa8a761d71bcd0e3e8da48b89d03311a5e06809ad28357affb |
memory/1388-66-0x0000000003AB0000-0x0000000003D74000-memory.dmp
memory/2868-68-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2868-69-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2868-73-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-75-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1576-77-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1388-78-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2500-79-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1388-82-0x0000000003AB0000-0x0000000003D74000-memory.dmp
memory/2500-83-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-86-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-89-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-92-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-95-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-96-0x0000000002690000-0x0000000002732000-memory.dmp
memory/2500-102-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-105-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-108-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-111-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-114-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-117-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-120-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-123-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-126-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-129-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-132-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-135-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2500-138-0x0000000000400000-0x00000000006C4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-30 22:47
Reported
2024-05-30 22:53
Platform
win10-20240404-en
Max time kernel
292s
Max time network
292s
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-AVUCJ.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe | N/A |
Loads dropped DLL
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 45.155.250.90 | 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-AVUCJ.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe
"C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe"
C:\Users\Admin\AppData\Local\Temp\is-AVUCJ.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp
"C:\Users\Admin\AppData\Local\Temp\is-AVUCJ.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp" /SL5="$5022A,5417366,54272,C:\Users\Admin\AppData\Local\Temp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.exe"
C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
"C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe" -i
C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
"C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe" -s
Network
| Country | Destination | Domain | Proto |
| US | 52.111.227.14:443 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| LT | 91.211.247.248:53 | bnthkne.com | udp |
| BG | 79.110.49.184:80 | bnthkne.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 | 2.17.178.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| BG | 79.110.49.184:80 | bnthkne.com | tcp |
| BG | 79.110.49.184:80 | bnthkne.com | tcp |
| SE | 45.155.250.90:53 | fasdicx.ru | udp |
| SE | 45.155.250.229:80 | fasdicx.ru | tcp |
| US | 8.8.8.8:53 | 229.250.155.45.in-addr.arpa | udp |
| 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.a.5.a.f.b.9.d.2.ip6.arpa | udp |
| SE | 45.155.250.229:80 | fasdicx.ru | tcp |
| SE | 45.155.250.229:80 | fasdicx.ru | tcp |
Files
memory/204-0-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\is-AVUCJ.tmp\3b787f3b4d8f0ed0b4739faae0a24307a54e0d01abf70d84d21a658423f9b539.tmp
| MD5 | 791348257179b7a0bd2a513fc9b19618 |
| SHA1 | 783834fa3c937de3d5cefc1e72cfd0cc63c657fc |
| SHA256 | 5cdf04dee7d14c9c6d768d5c3092979f3be25f5148ef39051dee584a662c921c |
| SHA512 | 8e68ed3e98f5066e5aa61e30fbe24ab500274e7994d74e8b167f5cd2b1512dde8a5c89cb5a8eedd4ae67b1414c08b312c999e79008d9e7c0255cb0c1a323ab63 |
\Users\Admin\AppData\Local\Temp\is-PEIO8.tmp\_isetup\_isdecmp.dll
| MD5 | a813d18268affd4763dde940246dc7e5 |
| SHA1 | c7366e1fd925c17cc6068001bd38eaef5b42852f |
| SHA256 | e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64 |
| SHA512 | b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4 |
\Users\Admin\AppData\Local\Temp\is-PEIO8.tmp\_isetup\_iscrypt.dll
| MD5 | a69559718ab506675e907fe49deb71e9 |
| SHA1 | bc8f404ffdb1960b50c12ff9413c893b56f2e36f |
| SHA256 | 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc |
| SHA512 | e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63 |
memory/4448-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/204-2-0x0000000000401000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\FIaudioConverter\fiaudioconverter.exe
| MD5 | 8324cdab3e68429f86f378d81e6f3913 |
| SHA1 | e60cfc494a09b280fde9d23ee4ffee68aaacd695 |
| SHA256 | 2d356ffacb01af22cc06e089702c9404dc3811eca6d7526d06940ae301e6c9e1 |
| SHA512 | 4f143c2e463b3bf473d8b254ac757aec13b9f444cfea5537594ce0283880712ff3895110538b7faa8a761d71bcd0e3e8da48b89d03311a5e06809ad28357affb |
memory/1840-65-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-72-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1840-70-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/1840-66-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/4448-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/204-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2468-76-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-79-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-82-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-85-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-88-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-89-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/2468-95-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-98-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-101-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-104-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-107-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-110-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-113-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-116-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-119-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-122-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-125-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-129-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-132-0x0000000000400000-0x00000000006C4000-memory.dmp
memory/2468-135-0x0000000000400000-0x00000000006C4000-memory.dmp