Analysis Overview
SHA256
859e715607c56783ca86527dc6e6696d741030b10d9c17a911ddf933d6ebe4ac
Threat Level: Known bad
The file 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Async RAT payload
Checks computer location settings
UPX packed file
Executes dropped EXE
Unsigned PE
Program crash
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 03:46
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 03:46
Reported
2024-06-28 03:48
Platform
win7-20240508-en
Max time kernel
145s
Max time network
147s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe"
C:\Client.exe
"C:\Client.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WriteFile" /tr '"C:\Users\Admin\AppData\Roaming\WriteFile.exe"' & exit
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1C09.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "WriteFile" /tr '"C:\Users\Admin\AppData\Roaming\WriteFile.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 900
C:\Users\Admin\AppData\Roaming\WriteFile.exe
"C:\Users\Admin\AppData\Roaming\WriteFile.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| HK | 103.235.47.188:80 | www.baidu.com | tcp |
| US | 8.8.8.8:53 | quan.suning.com | udp |
| CN | 111.48.137.146:80 | quan.suning.com | tcp |
| CN | 113.219.164.134:80 | quan.suning.com | tcp |
| CN | 123.6.124.12:80 | quan.suning.com | tcp |
| CN | 116.162.91.8:80 | quan.suning.com | tcp |
| CN | 61.184.11.92:80 | quan.suning.com | tcp |
| CN | 111.6.201.100:80 | quan.suning.com | tcp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
Files
memory/1724-4-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-5-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-15-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-35-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-50-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-48-0x0000000068CD0000-0x0000000068CDF000-memory.dmp
memory/1724-47-0x0000000010000000-0x000000001003C000-memory.dmp
C:\Client.exe
| MD5 | 91b01e99b841549fb21482b956ac78cf |
| SHA1 | 82d240f2c2ae343f4d7c6fd37af7e41374935a5f |
| SHA256 | 6036f85e4763107b83190d95294b87202d451a2548f4b90cc862ea81f269c0db |
| SHA512 | 10acfdd4d14ca93b2b05932b16b4940afff020aa18f6ded0799749e0f793f8fc94874cf5e55fb2acf041e233cc0bedcc272cadfbb5d4516f9abdcd6ef18d9b0a |
memory/1724-45-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-43-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-41-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-39-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-37-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-34-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-31-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-29-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-27-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-25-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-23-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-22-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-19-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-17-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-13-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-11-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-9-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-7-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1724-6-0x0000000010000000-0x000000001003C000-memory.dmp
memory/1512-55-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp
memory/1512-56-0x0000000000340000-0x0000000000358000-memory.dmp
memory/1512-58-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp1C09.tmp.bat
| MD5 | 5f12931ee34223acd6f79b23bc954acf |
| SHA1 | c6dd29a0ed66146bfe89c72436d4ffa7e3e4fdf6 |
| SHA256 | 7b23567aada09f881c4b4ff6e08c4553b133c273565aa17f4ba05ab946af0403 |
| SHA512 | 1bde74248b5e63578fc8ffa6a1e183e9ee1d18e7e73f48aee3d8673b2f4dfd0f9c0495fd3c2c6aba827ea89ab8fbc3556676205097f803e9d06bf85ebaa95924 |
memory/1512-67-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp
memory/1512-69-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp
memory/564-73-0x0000000001180000-0x0000000001198000-memory.dmp
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 03:46
Reported
2024-06-28 03:48
Platform
win10v2004-20240508-en
Max time kernel
139s
Max time network
145s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Client.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\WriteFile.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe"
C:\Client.exe
"C:\Client.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4344 -ip 4344
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 1744
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "WriteFile" /tr '"C:\Users\Admin\AppData\Roaming\WriteFile.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7782.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "WriteFile" /tr '"C:\Users\Admin\AppData\Roaming\WriteFile.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\WriteFile.exe
"C:\Users\Admin\AppData\Roaming\WriteFile.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.baidu.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
| US | 8.8.8.8:53 | allay.f3322.net | udp |
Files
memory/4344-0-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-36-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-42-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-45-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-40-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-38-0x0000000010000000-0x000000001003C000-memory.dmp
C:\Client.exe
| MD5 | 91b01e99b841549fb21482b956ac78cf |
| SHA1 | 82d240f2c2ae343f4d7c6fd37af7e41374935a5f |
| SHA256 | 6036f85e4763107b83190d95294b87202d451a2548f4b90cc862ea81f269c0db |
| SHA512 | 10acfdd4d14ca93b2b05932b16b4940afff020aa18f6ded0799749e0f793f8fc94874cf5e55fb2acf041e233cc0bedcc272cadfbb5d4516f9abdcd6ef18d9b0a |
memory/4864-57-0x0000000000D70000-0x0000000000D88000-memory.dmp
memory/4864-56-0x00007FFF98443000-0x00007FFF98445000-memory.dmp
memory/4344-34-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4864-59-0x00007FFF98440000-0x00007FFF98F01000-memory.dmp
memory/4344-32-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-30-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-28-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-26-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-24-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-23-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-21-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-18-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-16-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-14-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-12-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-10-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-8-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-6-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-4-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-43-0x0000000068CD0000-0x0000000068CDF000-memory.dmp
memory/4344-1-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4344-2-0x0000000010000000-0x000000001003C000-memory.dmp
memory/4864-64-0x00007FFF98440000-0x00007FFF98F01000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp7782.tmp.bat
| MD5 | 49ca141bbe17a503b7ed5da2f7e9898c |
| SHA1 | 2e11c6b1c06ae2858e32591922723c997b8557f1 |
| SHA256 | 576e281ba36a661f7c66d09594729de680f3de83705047cbe1fe22a0b4b9c213 |
| SHA512 | 28bed7fb5a191c01fc7c8c67b7d04acb8b95fd279dd79385f0d4cfd33d30033062c8d73127bcae1f44752cd846d3854fca6787184acbafc3910453c64f9dabc5 |
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
| MD5 | cf759e4c5f14fe3eec41b87ed756cea8 |
| SHA1 | c27c796bb3c2fac929359563676f4ba1ffada1f5 |
| SHA256 | c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761 |
| SHA512 | c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b |