Analysis
- max time kernel
155s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/04/2024, 10:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe
Resource
win7-20240221-en
12 signatures
150 seconds
General
- Target 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe
- Size 697KB
- Sample240410-mcdfyafb91
- SHA256 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379
- MD5 3523aba425931e1afbe4864ae714beb1
- SHA1 38e49f28a2f36eb1346eec18083c6a6b3e7ab4d7
- SHA512 973a8a551c38d7efc5f3d21ae0d34b053f8330cec858814d06384b9a7bc12ef1e97fb3d4ce0bd638ab79e0c1f297af61a430c5f1ab81666127abd8d331c069dc
- SSDEEP 12288:YUomEFRu3xEPE6WB0G+tUfeyr0AgMw3GPWyf50YiYjnpYzQxANbx6t5:YmOMSPE6xGMVy47Iv5036YzQgd+5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects PlugX payload 23 IoCs
resource yara_rule behavioral2/memory/1732-26-0x00000000007D0000-0x0000000000805000-memory.dmp family_plugx behavioral2/memory/1732-20-0x00000000007D0000-0x0000000000805000-memory.dmp family_plugx behavioral2/memory/2976-41-0x00000000007B0000-0x00000000007E5000-memory.dmp family_plugx behavioral2/memory/460-45-0x0000000000DB0000-0x0000000000DE5000-memory.dmp family_plugx behavioral2/memory/460-46-0x0000000000DB0000-0x0000000000DE5000-memory.dmp family_plugx behavioral2/memory/1332-49-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-50-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-48-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-65-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-66-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-67-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-69-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-70-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-71-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/1332-72-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/2976-75-0x00000000007B0000-0x00000000007E5000-memory.dmp family_plugx behavioral2/memory/3352-77-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx behavioral2/memory/3352-79-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx behavioral2/memory/3352-81-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx behavioral2/memory/3352-82-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx behavioral2/memory/3352-83-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx behavioral2/memory/1332-85-0x0000000000BB0000-0x0000000000BE5000-memory.dmp family_plugx behavioral2/memory/3352-86-0x0000000002930000-0x0000000002965000-memory.dmp family_plugx - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe - Executes dropped EXE 3 IoCs
pid Process 1732 adb.exe 2976 adb.exe 460 adb.exe - Loads dropped DLL 3 IoCs
pid Process 1732 adb.exe 2976 adb.exe 460 adb.exe - Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 103.43.18.220 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHZ svchost.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\CLASSES\FAST svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 30004200420038004100410031004300320030004500320030004100420046000000 svchost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1332 svchost.exe 1332 svchost.exe 1332 svchost.exe 1332 svchost.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 1332 svchost.exe 1332 svchost.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 1332 svchost.exe 1332 svchost.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 1332 svchost.exe 1332 svchost.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 1332 svchost.exe 1332 svchost.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 3352 msiexec.exe 1332 svchost.exe 1332 svchost.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1332 svchost.exe 3352 msiexec.exe - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1732 adb.exe Token: SeTcbPrivilege 1732 adb.exe Token: SeDebugPrivilege 2976 adb.exe Token: SeTcbPrivilege 2976 adb.exe Token: SeDebugPrivilege 460 adb.exe Token: SeTcbPrivilege 460 adb.exe Token: SeDebugPrivilege 1332 svchost.exe Token: SeTcbPrivilege 1332 svchost.exe Token: SeDebugPrivilege 3352 msiexec.exe Token: SeTcbPrivilege 3352 msiexec.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3464 wrote to memory of 1732 3464 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe 96 PID 3464 wrote to memory of 1732 3464 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe 96 PID 3464 wrote to memory of 1732 3464 354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe 96 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 460 wrote to memory of 1332 460 adb.exe 103 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108 PID 1332 wrote to memory of 3352 1332 svchost.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe"C:\Users\Admin\AppData\Local\Temp\354fed4072f0c12b9a7e40f48feb32c043481d0a87fbff599ce36fd2e323d379.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\adb.exe"C:\Users\Admin\AppData\Local\Temp\adb.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1732
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C:\ProgramData\adb\adb.exe"C:\ProgramData\adb\adb.exe" 100 17321⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2976
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C:\ProgramData\adb\adb.exe"C:\ProgramData\adb\adb.exe" 200 01⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe 201 02⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Windows\SysWOW64\msiexec.exeC:\Windows\system32\msiexec.exe 209 13323⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3352
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-
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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=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:4996
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dat
- Size 148KB
- SHA256 88045766007380b99fa7874c633d66bcb17d3314b6145ad5f8d8216e8e24b375
- MD5 cbcc0845497ddd773399e0f095539a4c
- SHA1 6c878e4ee18d14b94a3214bdd283b221a1981877
- SHA512 e9a237e1ed9a53ce52c52ed40c43073430bc54b36996c53a90ab7524c0e3a3c9d8fa403b4f0ee52997f19d4d720f7d9db8efa7e988ca53efc221573a05a8e38f
- SSDEEP 3072:ih3sDG9Iicvf9/NBcTTCD2jxuWbDaNlhRlFq6jWevWkt:ih30G9I9f9/NBcf5xbIgU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\AdbWinApi.dll
- Size 33KB
- SHA256 9217518710b77766d9dc3397c3ce9bd88734c71c8b80a2dd1e9ed1312efacd9c
- MD5 114d0cdadcbdec8c6baa9af0a869700a
- SHA1 a794329bac18d02b891b0e24ec73d88da4fe3404
- SHA512 edab7b4ee16d7e8797d297c6e3add9b2b685b732d51a9c1b3994f8cf21c285fb3a2198d02536168d2153711eb4ed925ad602459c70def4c5c7cbff5ec12d6a3f
- SSDEEP 384:Vm3SJOjeMdgpcJLy22il4sXpET5ep5UkhU8qlrh+1nu6EDHv+tdn1XoNCLyTr:Vl6yPiKsku5UkhD2dmnTED2bLyH
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\adb.exe
- Size 804KB
- SHA256 ef4c7f4c417c18cd3394dd81ccd94381af252e0af81b0ad89b7e6d81412f4706
- MD5 790fb1184a3ed8e475263daa54f98469
- SHA1 37a60f670a4f3c68a4872ec2e95c0be2bd130dae
- SHA512 66a2325c59a7fdacd049f43b528224682245c2705f10c50a907b6454d5755522b9d9d07046426d42db8c324ba95adbde1de087e31a0fb21b635c1dc4ca25a4f8
- SSDEEP 12288:CMLitTtq+E3vEtR1PcUjB2ZuTvD5lnT7SQ22v9dzW74hGO2fVpUGpZdT3Rr8tz:CP5mC1P1jB2kv1xf9M4cThr8tz
- MD5 SHA1 SHA512 SSDEEP