Analysis Overview
SHA256
61b5423d25ad2ecfbf97ec416067d23a05a3a65781569437f84b842e197f2d46
Threat Level: Known bad
The file aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.zip was found to be: Known bad.
Malicious Activity Summary
GCleaner
Deletes itself
Checks computer location settings
Enumerates physical storage devices
Program crash
Unsigned PE
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-02 13:09
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 13:09
Reported
2024-04-02 13:12
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
158s
Command Line
Signatures
GCleaner
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe | N/A |
Enumerates physical storage devices
Program crash
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2228 wrote to memory of 4464 | N/A | C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2228 wrote to memory of 4464 | N/A | C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2228 wrote to memory of 4464 | N/A | C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4464 wrote to memory of 736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4464 wrote to memory of 736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
| PID 4464 wrote to memory of 736 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\taskkill.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe
"C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 748
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 780
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 800
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 836
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 908
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 992
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=3868 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 1344
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" & exit
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2228 -ip 2228
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 1368
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 13.107.253.67:443 | tcp | |
| US | 8.8.8.8:53 | 41.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
| US | 8.8.8.8:53 | 90.128.172.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.65.42.20.in-addr.arpa | udp |
Files
memory/2228-1-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2228-2-0x0000000000710000-0x000000000073D000-memory.dmp
memory/2228-3-0x0000000000400000-0x000000000048C000-memory.dmp
memory/2228-6-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2228-7-0x0000000000710000-0x000000000073D000-memory.dmp
memory/2228-12-0x0000000000400000-0x000000000048C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 13:09
Reported
2024-04-02 13:11
Platform
win7-20240215-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
GCleaner
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe
"C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /im "aa28923b864f555f4205239373060101ab1db7b72d9a301852bee00451c7ebda.exe" /f
Network
| Country | Destination | Domain | Proto |
| DE | 185.172.128.90:80 | 185.172.128.90 | tcp |
Files
memory/2592-2-0x0000000000220000-0x000000000024D000-memory.dmp
memory/2592-1-0x00000000008F0000-0x00000000009F0000-memory.dmp
memory/2592-3-0x0000000000400000-0x000000000048C000-memory.dmp
memory/2592-5-0x0000000000400000-0x000000000048C000-memory.dmp
memory/2592-6-0x00000000008F0000-0x00000000009F0000-memory.dmp