Analysis Overview
SHA256
a30b3f060dc69295c6fb8da9bd75c29c6184c8a1658d1c7b8a90d4b23fe22617
Threat Level: Known bad
The file bc5ec041f77b4e78ea39b2b5476f4a88 was found to be: Known bad.
Malicious Activity Summary
Gozi family
Loads dropped DLL
Deletes itself
Executes dropped EXE
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-09 17:18
Signatures
Gozi family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-09 17:18
Reported
2024-03-09 17:21
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
"C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe"
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe" /TN Google_Trk_Updater /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.JAMZTtLT31.com | udp |
| US | 8.8.8.8:53 | w.google.com | udp |
| GB | 172.217.16.238:80 | w.google.com | tcp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.67.143:80 | pastebin.com | tcp |
| US | 104.20.67.143:443 | pastebin.com | tcp |
Files
memory/3020-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3020-1-0x00000000014C0000-0x0000000001577000-memory.dmp
memory/3020-2-0x0000000000400000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
| MD5 | 6945ee5efdaa25d473a320a5951dc8d4 |
| SHA1 | bd57eb335b4123e9088c8e0ebe707119f4a79c73 |
| SHA256 | 5a1a3db5d2d97d51d2e2dcfcd33d046b1451bca910a44dbff02b08ba7af6d4b0 |
| SHA512 | 016571bfb59b076d532940eaba6b8f13f4a6915e98c550a570864562ddad6b00f853d52dfe99c2d1abb14e08acd07520a8afd4a021a952332a7a3acd91822e90 |
memory/3020-15-0x0000000002E60000-0x0000000002F17000-memory.dmp
memory/3020-14-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2312-17-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2312-19-0x00000000014C0000-0x0000000001577000-memory.dmp
memory/2312-23-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2312-24-0x0000000001580000-0x00000000015E6000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 753df6889fd7410a2e9fe333da83a429 |
| SHA1 | 3c425f16e8267186061dd48ac1c77c122962456e |
| SHA256 | b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78 |
| SHA512 | 9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444 |
C:\Users\Admin\AppData\Local\Temp\Tar7D90.tmp
| MD5 | dd73cead4b93366cf3465c8cd32e2796 |
| SHA1 | 74546226dfe9ceb8184651e920d1dbfb432b314e |
| SHA256 | a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22 |
| SHA512 | ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-09 17:18
Reported
2024-03-09 17:21
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
153s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3600 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe |
| PID 3600 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe |
| PID 3600 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe |
| PID 1292 wrote to memory of 5096 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 1292 wrote to memory of 5096 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 1292 wrote to memory of 5096 | N/A | C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
"C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe"
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe" /TN Google_Trk_Updater /F
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4440 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.v8CdFVSq0N.com | udp |
| US | 8.8.8.8:53 | w.google.com | udp |
| GB | 172.217.16.238:80 | w.google.com | tcp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.67.143:80 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 238.16.217.172.in-addr.arpa | udp |
| US | 104.20.67.143:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 143.67.20.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 172.217.169.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 10.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
memory/3600-0-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3600-1-0x0000000001600000-0x00000000016B7000-memory.dmp
memory/3600-2-0x0000000000400000-0x0000000000466000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bc5ec041f77b4e78ea39b2b5476f4a88.exe
| MD5 | 5550bd934a24c8dc1372dc342393d59d |
| SHA1 | 8f0a670e43353ad18d38d3043e0729aea11050b8 |
| SHA256 | dcaef06f80d51196456c77f1b0feccdfdded33add704d51f2531205723cae348 |
| SHA512 | 6b463f15ff0c15b1faf882b2679fabecb712399ce9133da89d1f0a7376ab80bded2ae1c518292bdfc566f0e437d8ed6b17efff4a665acab6c341be5e9fb69df8 |
memory/3600-11-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1292-13-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1292-14-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1292-15-0x00000000014C0000-0x0000000001577000-memory.dmp
memory/1292-20-0x0000000001680000-0x00000000016E6000-memory.dmp
memory/1292-21-0x0000000000400000-0x000000000045B000-memory.dmp