Analysis Overview
SHA256
cf7bad0b2b13efccb7df15f015ec51d766d5a63a2b5acec200fff093c6d70c03
Threat Level: Known bad
The file cf7bad0b2b13efccb7df15f015ec51d766d5a63a2b5acec200fff093c6d70c03 was found to be: Known bad.
Malicious Activity Summary
WSHRAT payload
WSHRAT
Blocklisted process makes network request
Executes dropped EXE
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Enumerates physical storage devices
Program crash
NSIS installer
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-15 12:22
Signatures
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-15 12:22
Reported
2022-11-15 12:24
Platform
win10-20220812-en
Max time kernel
148s
Max time network
150s
Command Line
Signatures
WSHRAT
WSHRAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wscript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wApVJ.vbs | C:\Windows\SysWOW64\wscript.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wApVJ.vbs | C:\Windows\SysWOW64\wscript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\software\microsoft\windows\currentversion\run | C:\Windows\SysWOW64\wscript.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\wApVJ = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\wApVJ.vbs\"" | C:\Windows\SysWOW64\wscript.exe | N/A |
| Key created | \REGISTRY\MACHINE\software\WOW6432Node\microsoft\windows\currentversion\run | C:\Windows\SysWOW64\wscript.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wApVJ = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\wApVJ.vbs\"" | C:\Windows\SysWOW64\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 1476 set thread context of 3264 | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | C:\Users\Admin\AppData\Local\Temp\ocymim.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\ocymim.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ocymim.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cf7bad0b2b13efccb7df15f015ec51d766d5a63a2b5acec200fff093c6d70c03.exe
"C:\Users\Admin\AppData\Local\Temp\cf7bad0b2b13efccb7df15f015ec51d766d5a63a2b5acec200fff093c6d70c03.exe"
C:\Users\Admin\AppData\Local\Temp\ocymim.exe
"C:\Users\Admin\AppData\Local\Temp\ocymim.exe" "C:\Users\Admin\AppData\Local\Temp\bhxbv.au3"
C:\Users\Admin\AppData\Local\Temp\ocymim.exe
"C:\Users\Admin\AppData\Local\Temp\ocymim.exe" "C:\Users\Admin\AppData\Local\Temp\bhxbv.au3"
C:\Windows\SysWOW64\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\wApVJ.vbs"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3264 -s 1260
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | ip-api.com | udp |
| N/A | 208.95.112.1:80 | ip-api.com | tcp |
| N/A | 8.8.8.8:53 | snkcyp.duckdns.org | udp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 20.42.65.84:443 | tcp | |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
| N/A | 194.180.48.65:44147 | snkcyp.duckdns.org | tcp |
Files
memory/3468-119-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-120-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-121-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-122-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-123-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-125-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-124-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-126-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-127-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-128-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-129-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-130-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-131-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-132-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-133-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-134-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-135-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-136-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-137-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-138-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-139-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-140-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-141-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-143-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-144-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-145-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-146-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-147-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-148-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-149-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-150-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-151-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-142-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-152-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-153-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-155-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-156-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-154-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-157-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-158-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/3468-159-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-160-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\ocymim.exe
| MD5 | c56b5f0201a3b3de53e561fe76912bfd |
| SHA1 | 2a4062e10a5de813f5688221dbeb3f3ff33eb417 |
| SHA256 | 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d |
| SHA512 | 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c |
memory/1476-162-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-165-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-164-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-163-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-166-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-167-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-168-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-169-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-170-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-171-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-172-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-173-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-174-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-175-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-176-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-177-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-178-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-180-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-181-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-179-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-182-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-183-0x0000000077740000-0x00000000778CE000-memory.dmp
memory/1476-184-0x0000000077740000-0x00000000778CE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bhxbv.au3
| MD5 | 15c76149d977e7b58cd8ec39e9fc0ffc |
| SHA1 | df15820647280ed3570411bd6d4b7f53de120a58 |
| SHA256 | 07f89ca81aaa00e7bbba649b436badd01c3890f5d3c4ec982c91908aea6c1dca |
| SHA512 | 1935a375d29e645335ddd870bfe767a1a2be9af7b18138ff0490d3aa815f09ce37719424c816c8139ffdc56dc1f3d2c261f1925b3bbadc2caeb4594be7a995d6 |
C:\Users\Admin\AppData\Local\Temp\jhrljxs.o
| MD5 | 3cddfd67ea5d870e028336f33ed3e2bf |
| SHA1 | 12e888cd359c5446b95d554caf95ce51f013260b |
| SHA256 | b13a437518174975b7c229806c328c0294e285ee70ac34e3bad96bfbea6108f1 |
| SHA512 | 890f3b7847a639e2e4e7dd5a5b7d075fecce956baaefab6dcf31cfddea3b960689a3b9fa42a56788f668d52d6c23120e49b7a55ce90caa2f10bc7c067c569233 |
C:\Users\Admin\AppData\Local\Temp\bduwbvp.s
| MD5 | 763ecd63206a47ff65311e4044d5ad9d |
| SHA1 | 834b765c686043538aa1103322211d64fd08eb92 |
| SHA256 | 564b8f221a4c2cc40ad9979d19125883307a7f623a58de6ede10b9ffc2db0e7e |
| SHA512 | db4050f06e7b81b76b8cd65fb2365b6bb703057f9472d6da413b15bdd4d36e39a213a8aab4715e0c888bc61d99ef765c1a7442afad22845f4e966d7468b12ca4 |
memory/3264-211-0x0000000000401896-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\ocymim.exe
| MD5 | c56b5f0201a3b3de53e561fe76912bfd |
| SHA1 | 2a4062e10a5de813f5688221dbeb3f3ff33eb417 |
| SHA256 | 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d |
| SHA512 | 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c |
memory/3264-253-0x0000000002BB0000-0x0000000002C3A000-memory.dmp
memory/3264-254-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4224-267-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\wApVJ.vbs
| MD5 | f57851c2992b81862fb373cc0986ffa8 |
| SHA1 | 78e8025e28e2198bc9931d0a825e31ad25ea0069 |
| SHA256 | 4656fa5210092757e338ed88d2e1a071e3f8da982b82046f5705af6fd8be7733 |
| SHA512 | 7dc7c539ae7a67401ed490b680070f26a13d6a839301970aef7306c4c0e5505059493692b53cbf5593c6b91292331e1f0e47c65b0be49fe99317fdd7f722024c |