Analysis Overview
SHA256
bc29798c8671a3ac240a0d34e8f99003466ede8cf6902f8de9c0e9e640dd454b
Threat Level: Known bad
The file 6b57f84625e48278f611de466e10dea9.bin was found to be: Known bad.
Malicious Activity Summary
WSHRAT payload
WSHRAT
Blocklisted process makes network request
Executes dropped EXE
Checks computer location settings
Drops startup file
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-07-27 01:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-27 01:25
Reported
2023-07-27 01:27
Platform
win7-20230712-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\4b88ca8115abf6400f900d9eeadd9793806c3c4314868bb6080e88b697ecef1a.js
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | grapemundo.com | udp |
| IN | 103.50.163.157:443 | grapemundo.com | tcp |
| IN | 103.50.163.157:443 | grapemundo.com | tcp |
| IN | 103.50.163.157:443 | grapemundo.com | tcp |
| IN | 103.50.163.157:443 | grapemundo.com | tcp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-27 01:25
Reported
2023-07-27 01:27
Platform
win10v2004-20230703-en
Max time kernel
12s
Max time network
59s
Command Line
Signatures
WSHRAT
WSHRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\system32\wscript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Control Panel\International\Geo\Nation | C:\Windows\System32\WScript.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TDSRZR.vbs | C:\Windows\System32\WScript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TDSRZR.vbs | C:\Windows\System32\WScript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run | C:\Windows\System32\WScript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TDSRZR = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\TDSRZR.vbs\"" | C:\Windows\System32\WScript.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\software\microsoft\windows\currentversion\run | C:\Windows\System32\WScript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TDSRZR = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\TDSRZR.vbs\"" | C:\Windows\System32\WScript.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4028 set thread context of 4904 | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000_Classes\Local Settings | C:\Windows\system32\wscript.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\4b88ca8115abf6400f900d9eeadd9793806c3c4314868bb6080e88b697ecef1a.js
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\TDSRZR.vbs"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | grapemundo.com | udp |
| IN | 103.50.163.157:443 | grapemundo.com | tcp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.163.50.103.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.33.222.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.25.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | chongmei33.publicvm.com | udp |
| SG | 103.47.144.81:7045 | chongmei33.publicvm.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.47.103.in-addr.arpa | udp |
| SG | 103.47.144.81:7045 | chongmei33.publicvm.com | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\TDSRZR.vbs
| MD5 | b4e275c4a325bf17b288ea6c854bd212 |
| SHA1 | ddce3daa82a4015984bce3299df5d271b1323818 |
| SHA256 | 038338d42952e0223dbdd077fa5b0cc4b0fe7309767a3ee5afebbbc34325fede |
| SHA512 | 92a0d1052f0b0b38e691ef5858cdcdd29a41bdea29a91eeccd1f2c1c0eccfceeddfdd34d500c6a5be806db46d297bdc6e0a0ec81e64131bd837c28daac5ea452 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TDSRZR.vbs
| MD5 | b4e275c4a325bf17b288ea6c854bd212 |
| SHA1 | ddce3daa82a4015984bce3299df5d271b1323818 |
| SHA256 | 038338d42952e0223dbdd077fa5b0cc4b0fe7309767a3ee5afebbbc34325fede |
| SHA512 | 92a0d1052f0b0b38e691ef5858cdcdd29a41bdea29a91eeccd1f2c1c0eccfceeddfdd34d500c6a5be806db46d297bdc6e0a0ec81e64131bd837c28daac5ea452 |
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | fa69bac4daea669b2d78160d164e64c9 |
| SHA1 | 77e7fbdba131f0cc1fbbf3d717dc38041e6ad84f |
| SHA256 | dcea423e04900e53f42a70574841d10cb7b3cd168d64d92a58da864079dc394e |
| SHA512 | ddf7f040d0d8a3f98dee9591220bd208b83b0f2aa3fd4b783446c72e8d07a73a2826964a98b512f41796f2d2cc11b4ce18df0c989a45f60bfbbacdc60ea14b45 |
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | fa69bac4daea669b2d78160d164e64c9 |
| SHA1 | 77e7fbdba131f0cc1fbbf3d717dc38041e6ad84f |
| SHA256 | dcea423e04900e53f42a70574841d10cb7b3cd168d64d92a58da864079dc394e |
| SHA512 | ddf7f040d0d8a3f98dee9591220bd208b83b0f2aa3fd4b783446c72e8d07a73a2826964a98b512f41796f2d2cc11b4ce18df0c989a45f60bfbbacdc60ea14b45 |
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | fa69bac4daea669b2d78160d164e64c9 |
| SHA1 | 77e7fbdba131f0cc1fbbf3d717dc38041e6ad84f |
| SHA256 | dcea423e04900e53f42a70574841d10cb7b3cd168d64d92a58da864079dc394e |
| SHA512 | ddf7f040d0d8a3f98dee9591220bd208b83b0f2aa3fd4b783446c72e8d07a73a2826964a98b512f41796f2d2cc11b4ce18df0c989a45f60bfbbacdc60ea14b45 |
memory/4028-158-0x00000000003C0000-0x000000000047A000-memory.dmp
memory/4028-157-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/4028-159-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/4028-161-0x0000000005600000-0x0000000005692000-memory.dmp
memory/4028-162-0x0000000005AB0000-0x0000000005AC2000-memory.dmp
memory/4028-163-0x0000000006160000-0x00000000061FC000-memory.dmp
memory/4028-165-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-166-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-168-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-174-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-172-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-170-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-176-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-178-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-180-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-186-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-184-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-182-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-189-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-191-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-193-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-195-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-197-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-199-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-201-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-203-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-205-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-207-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-213-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-211-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-209-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-215-0x0000000005AD0000-0x0000000005AF3000-memory.dmp
memory/4028-216-0x0000000005B00000-0x0000000005B01000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | fa69bac4daea669b2d78160d164e64c9 |
| SHA1 | 77e7fbdba131f0cc1fbbf3d717dc38041e6ad84f |
| SHA256 | dcea423e04900e53f42a70574841d10cb7b3cd168d64d92a58da864079dc394e |
| SHA512 | ddf7f040d0d8a3f98dee9591220bd208b83b0f2aa3fd4b783446c72e8d07a73a2826964a98b512f41796f2d2cc11b4ce18df0c989a45f60bfbbacdc60ea14b45 |
memory/4904-218-0x0000000000400000-0x0000000000444000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | fa69bac4daea669b2d78160d164e64c9 |
| SHA1 | 77e7fbdba131f0cc1fbbf3d717dc38041e6ad84f |
| SHA256 | dcea423e04900e53f42a70574841d10cb7b3cd168d64d92a58da864079dc394e |
| SHA512 | ddf7f040d0d8a3f98dee9591220bd208b83b0f2aa3fd4b783446c72e8d07a73a2826964a98b512f41796f2d2cc11b4ce18df0c989a45f60bfbbacdc60ea14b45 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svchost.exe.log
| MD5 | add49c9ba7072711d6da25976d348247 |
| SHA1 | 754edca64e1a053a8ca357b40e8a7a4ff5fea217 |
| SHA256 | 361f4c916558316756d415bd64821ef1eead2d451e5d9cc38fe533b0f56574a6 |
| SHA512 | a95f88d0ca27b69636ed9a12f5b40d0abe1568415f41c57848f251dc55a5b0dbd015f15a2ff1c7aa4bc92b98d0d9c99a4bb814f49ff2319132b552af09a533ef |
memory/4028-223-0x0000000074570000-0x0000000074D20000-memory.dmp
memory/4904-222-0x0000000074570000-0x0000000074D20000-memory.dmp