Analysis
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max time kernel
145s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 03:46
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe
Resource
win7-20240508-en
General
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Target
2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe
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Size
1.9MB
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MD5
15580dae4a38e0ee4581c1cb3b1d98eb
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SHA1
493a4b1a0207ea640efed703e4680ca4a73dfab9
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SHA256
859e715607c56783ca86527dc6e6696d741030b10d9c17a911ddf933d6ebe4ac
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SHA512
712a4ff9c0d401c757c162cf91094fc5e977e3183cce364415823fe78f44e83d0e128730f25d2fcfae3319148118c0512d4fbc5b6fd608a3677b957209132ebd
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SSDEEP
24576:SbgHrheVS3QUa4EbvAH8MeRaW8OF+91iYv4Y22cMUrRnZlRvdseSb1WS8b7zF61A:SOeQQr4EbvdQOQiYvku23rsZWS8b7ZX
Malware Config
Extracted
asyncrat
Default
allay.f3322.net:5050
fgidvwdtbfcdtau
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delay
1
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install
true
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install_file
WriteFile.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
Processes:
resource yara_rule C:\Client.exe family_asyncrat -
Executes dropped EXE 2 IoCs
Processes:
Client.exeWriteFile.exepid process 1512 Client.exe 564 WriteFile.exe -
Processes:
resource yara_rule behavioral1/memory/1724-4-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-5-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-15-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-35-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-50-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-48-0x0000000068CD0000-0x0000000068CDF000-memory.dmp upx behavioral1/memory/1724-47-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-45-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-43-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-41-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-39-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-37-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-34-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-31-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-29-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-27-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-25-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-23-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-22-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-19-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-17-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-13-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-11-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-9-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-7-0x0000000010000000-0x000000001003C000-memory.dmp upx behavioral1/memory/1724-6-0x0000000010000000-0x000000001003C000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1484 1724 WerFault.exe 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 844 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exeClient.exeWriteFile.exepid process 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe 1512 Client.exe 564 WriteFile.exe 564 WriteFile.exe 564 WriteFile.exe 564 WriteFile.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Client.exeWriteFile.exedescription pid process Token: SeDebugPrivilege 1512 Client.exe Token: SeDebugPrivilege 564 WriteFile.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exeWriteFile.exepid process 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe 564 WriteFile.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exeClient.execmd.execmd.exedescription pid process target process PID 1724 wrote to memory of 1512 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe Client.exe PID 1724 wrote to memory of 1512 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe Client.exe PID 1724 wrote to memory of 1512 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe Client.exe PID 1724 wrote to memory of 1512 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe Client.exe PID 1512 wrote to memory of 2896 1512 Client.exe cmd.exe PID 1512 wrote to memory of 2896 1512 Client.exe cmd.exe PID 1512 wrote to memory of 2896 1512 Client.exe cmd.exe PID 1512 wrote to memory of 532 1512 Client.exe cmd.exe PID 1512 wrote to memory of 532 1512 Client.exe cmd.exe PID 1512 wrote to memory of 532 1512 Client.exe cmd.exe PID 2896 wrote to memory of 1264 2896 cmd.exe schtasks.exe PID 2896 wrote to memory of 1264 2896 cmd.exe schtasks.exe PID 2896 wrote to memory of 1264 2896 cmd.exe schtasks.exe PID 532 wrote to memory of 844 532 cmd.exe timeout.exe PID 532 wrote to memory of 844 532 cmd.exe timeout.exe PID 532 wrote to memory of 844 532 cmd.exe timeout.exe PID 1724 wrote to memory of 1484 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe WerFault.exe PID 1724 wrote to memory of 1484 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe WerFault.exe PID 1724 wrote to memory of 1484 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe WerFault.exe PID 1724 wrote to memory of 1484 1724 2024-06-28_15580dae4a38e0ee4581c1cb3b1d98eb_asyncrat_icedid.exe WerFault.exe PID 532 wrote to memory of 564 532 cmd.exe WriteFile.exe PID 532 wrote to memory of 564 532 cmd.exe WriteFile.exe PID 532 wrote to memory of 564 532 cmd.exe WriteFile.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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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"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Client.exe"C:\Client.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512 -
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"' & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "WriteFile" /tr '"C:\Users\Admin\AppData\Roaming\WriteFile.exe"'4⤵
- Scheduled Task/Job: Scheduled Task
PID:1264 -
C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp1C09.tmp.bat""3⤵
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\system32\timeout.exetimeout 34⤵
- Delays execution with timeout.exe
PID:844 -
C:\Users\Admin\AppData\Roaming\WriteFile.exe"C:\Users\Admin\AppData\Roaming\WriteFile.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 9002⤵
- Program crash
PID:1484
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD591b01e99b841549fb21482b956ac78cf
SHA182d240f2c2ae343f4d7c6fd37af7e41374935a5f
SHA2566036f85e4763107b83190d95294b87202d451a2548f4b90cc862ea81f269c0db
SHA51210acfdd4d14ca93b2b05932b16b4940afff020aa18f6ded0799749e0f793f8fc94874cf5e55fb2acf041e233cc0bedcc272cadfbb5d4516f9abdcd6ef18d9b0a
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Filesize
153B
MD55f12931ee34223acd6f79b23bc954acf
SHA1c6dd29a0ed66146bfe89c72436d4ffa7e3e4fdf6
SHA2567b23567aada09f881c4b4ff6e08c4553b133c273565aa17f4ba05ab946af0403
SHA5121bde74248b5e63578fc8ffa6a1e183e9ee1d18e7e73f48aee3d8673b2f4dfd0f9c0495fd3c2c6aba827ea89ab8fbc3556676205097f803e9d06bf85ebaa95924
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b