4713cd54e3f99c4a3187fa5df537a59fedef1b81066b7520f0e6a92e3c635672

Analysis

max time kernel
149s
max time network
180s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
07-11-2023 14:50

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General

Target

Campus\Exe\GestCampus_MAJ.exe
Size

157KB
MD5

8eb717b36caaa28f56f1a90220f0d007
SHA1

8c6399ba74d9cff143ce8d66037a7b5bc8b7d917
SHA256

c655c83d1ecdf53d05f19717e6eb943c132241ee1cc542fba4e68a8db5de399c
SHA512

8ea0d6e8ec3b713d4a5967899a899c18858cda67f1b2de2b8ad5e8f62eeff66054075334725d4b1aca78e1629246b738811582bd2d86985ee3358e3943d6d265
SSDEEP

3072:Lt8IM0yDla/URk68GzbH9bEKrkGpoBnkQyVwf9OFw/se1IZOumaTo/nTqLZDsSft:L3rBwXzbdbhVps/yiO+qZ4uCT4lDfX

Score

10^/10

upx

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
framework.pcsoft.fr
Port:
21
Username:
framework
Password:
framework

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2664	InstallFramework.exe

Loads dropped DLL 5 IoCs

pid	Process
2860	GestCampus.exe
2860	GestCampus.exe
2860	GestCampus.exe
2860	GestCampus.exe
2860	GestCampus.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral7/memory/2976-0-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral7/memory/2976-3-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150cpl.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150cpl.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150grf.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150mess.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150obj.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150oldb.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150xml.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150db.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150gpu.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150plm.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150trs.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150xls.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150com.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150test.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150zip.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150cod.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150ggl.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150hf.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150img2.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150rpl.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150prn.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150agt.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150html.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150img.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150jav.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150net1.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150pdf.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150plm.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150trs.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150zip.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150ggl.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150html.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150net2.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150nxml.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150pdf.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150prn.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150sql.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150pcl.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150test.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150ce.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150mat.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150agt.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150com.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150db.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150page.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150pnt.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150std.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150action.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150grv.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150img.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150net1.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150uni.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150vm.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150img2.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150mat.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150mess.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150ole.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150pcl.dll	InstallFramework.exe
File created	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150rtf.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150std.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150jav.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150net2.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150obj.dll	InstallFramework.exe
File opened for modification	C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150oldb.dll	InstallFramework.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2860	GestCampus.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	GestCampus.exe
2860	GestCampus.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2860	2976	GestCampus_MAJ.exe	27
PID 2976 wrote to memory of 2860	2976	GestCampus_MAJ.exe	27
PID 2976 wrote to memory of 2860	2976	GestCampus_MAJ.exe	27
PID 2976 wrote to memory of 2860	2976	GestCampus_MAJ.exe	27
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30
PID 2860 wrote to memory of 2664	2860	GestCampus.exe	30

C:\Users\Admin\AppData\Local\Temp\Campus\Exe\GestCampus_MAJ.exe
"C:\Users\Admin\AppData\Local\Temp\Campus\Exe\GestCampus_MAJ.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\Campus\Exe\GestCampus.exe
  "C:\Users\Admin\AppData\Local\Temp\Campus\Exe\GestCampus.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Users\Admin\AppData\Local\Temp\InstallFramework.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallFramework.exe" /REP="C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\" /SILENT
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\WD150HF.DLL

Filesize
2.6MB

MD5
3dcd002f7c4cc07db207954721de8c08

SHA1
da2b437491bf7f3183c49add76132e305dd91998

SHA256
5b309a42caa40d7591c112806084c9b156bfb23b59e7854ca1f9d6ab93d1caeb

SHA512
04e41803d7ca266962581c5ecec24f7e5d7efdc770da26d58188fb731858078857f69e3a7f3756d2477b01c42ae417a8fb5d19466a54a1a581051ee146a637ab

Download Submit
C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\WD150OBJ.DLL

Filesize
3.2MB

MD5
5a0b2319464811478e46b9d474559c6b

SHA1
31be25dc10e07b51627c842f22ac19bc87302655

SHA256
4a3dddc6dfd21381d940fb6e43994af368082f82fb782c06b80d65dc3af34703

SHA512
69d5f21832eb22b2292f09fcc49e6b435c9832bf0bc927e36804882445af2051006e0c3cafc7bdd226e49fcb731746bb1790e82bcbdf5269e3ccbc7e84f8427c

Download Submit
C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\WD150STD.DLL

Filesize
728KB

MD5
0f2941d8ba3b515086d7433f333c16e9

SHA1
ac423ab8c846a78a215d5dfd0280cf8597ee670c

SHA256
9b2042f697a3a62430a26f0e164a95e912afc3a9b7e48f691f16001fdd907732

SHA512
5223130d18f329ca590cb67898f339de18bc9858df5cbff089a1b7f5ecdb3fb09301fef1c0e4c0d450750b91a9a4c99f21318edb5abd1a90105c609f37c2309d

Download Submit
C:\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\WD150VM.DLL

Filesize
2.3MB

MD5
03d44b2f98b3bb738b6fc6dd9e3506bd

SHA1
a9a7edebb8f97ea159c24158a0e2c2ea5d030c70

SHA256
a79e315d7babb618acc2470a8d074738c088901a894b82e928a351ba9e5d1ca3

SHA512
d0a4849d18a43c240799eb1306a69f504744321c5665cac43159a393d229b22055a968ec365d118176bb3eda697e3e9a13012f2a627143acccacb51298557fdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallFramework.exe

Filesize
15.5MB

MD5
0727189ee363736e77fdf71d94a7e71e

SHA1
e259f9e5467a9d0d72da1f16bcd89eef0c05f3d4

SHA256
fc74f1e4cd9c6593799b4834f87869b2d545cd713b8135ad92eeb388467afb42

SHA512
a16fd73b90ed32806f7cb7e9aaea81cc2eb0b8742d965803cce2aa441948a31efda781c2ea32bb91702c315419e3d8630a9067d7e2f8a5fca0fba0887d716ab9

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallFramework.exe

Filesize
15.5MB

MD5
0727189ee363736e77fdf71d94a7e71e

SHA1
e259f9e5467a9d0d72da1f16bcd89eef0c05f3d4

SHA256
fc74f1e4cd9c6593799b4834f87869b2d545cd713b8135ad92eeb388467afb42

SHA512
a16fd73b90ed32806f7cb7e9aaea81cc2eb0b8742d965803cce2aa441948a31efda781c2ea32bb91702c315419e3d8630a9067d7e2f8a5fca0fba0887d716ab9

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallFramework.exe

Filesize
15.5MB

MD5
0727189ee363736e77fdf71d94a7e71e

SHA1
e259f9e5467a9d0d72da1f16bcd89eef0c05f3d4

SHA256
fc74f1e4cd9c6593799b4834f87869b2d545cd713b8135ad92eeb388467afb42

SHA512
a16fd73b90ed32806f7cb7e9aaea81cc2eb0b8742d965803cce2aa441948a31efda781c2ea32bb91702c315419e3d8630a9067d7e2f8a5fca0fba0887d716ab9

Download Submit
\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150hf.dll

Filesize
2.6MB

MD5
3dcd002f7c4cc07db207954721de8c08

SHA1
da2b437491bf7f3183c49add76132e305dd91998

SHA256
5b309a42caa40d7591c112806084c9b156bfb23b59e7854ca1f9d6ab93d1caeb

SHA512
04e41803d7ca266962581c5ecec24f7e5d7efdc770da26d58188fb731858078857f69e3a7f3756d2477b01c42ae417a8fb5d19466a54a1a581051ee146a637ab

Download Submit
\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150obj.dll

Filesize
3.2MB

MD5
5a0b2319464811478e46b9d474559c6b

SHA1
31be25dc10e07b51627c842f22ac19bc87302655

SHA256
4a3dddc6dfd21381d940fb6e43994af368082f82fb782c06b80d65dc3af34703

SHA512
69d5f21832eb22b2292f09fcc49e6b435c9832bf0bc927e36804882445af2051006e0c3cafc7bdd226e49fcb731746bb1790e82bcbdf5269e3ccbc7e84f8427c

Download Submit
\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150std.dll

Filesize
728KB

MD5
0f2941d8ba3b515086d7433f333c16e9

SHA1
ac423ab8c846a78a215d5dfd0280cf8597ee670c

SHA256
9b2042f697a3a62430a26f0e164a95e912afc3a9b7e48f691f16001fdd907732

SHA512
5223130d18f329ca590cb67898f339de18bc9858df5cbff089a1b7f5ecdb3fb09301fef1c0e4c0d450750b91a9a4c99f21318edb5abd1a90105c609f37c2309d

Download Submit
\Program Files (x86)\Common Files\PC SOFT\15.0\Framework\wd150vm.dll

Filesize
2.3MB

MD5
03d44b2f98b3bb738b6fc6dd9e3506bd

SHA1
a9a7edebb8f97ea159c24158a0e2c2ea5d030c70

SHA256
a79e315d7babb618acc2470a8d074738c088901a894b82e928a351ba9e5d1ca3

SHA512
d0a4849d18a43c240799eb1306a69f504744321c5665cac43159a393d229b22055a968ec365d118176bb3eda697e3e9a13012f2a627143acccacb51298557fdf

Download Submit
\Users\Admin\AppData\Local\Temp\InstallFramework.exe

Filesize
15.5MB

MD5
0727189ee363736e77fdf71d94a7e71e

SHA1
e259f9e5467a9d0d72da1f16bcd89eef0c05f3d4

SHA256
fc74f1e4cd9c6593799b4834f87869b2d545cd713b8135ad92eeb388467afb42

SHA512
a16fd73b90ed32806f7cb7e9aaea81cc2eb0b8742d965803cce2aa441948a31efda781c2ea32bb91702c315419e3d8630a9067d7e2f8a5fca0fba0887d716ab9

Download Submit
memory/2860-5-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2860-108-0x0000000003AB0000-0x0000000003AF0000-memory.dmp

Filesize
256KB

Download
memory/2860-109-0x0000000003AB0000-0x0000000003AF0000-memory.dmp

Filesize
256KB

Download
memory/2976-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2976-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2976-2-0x00000000030A0000-0x00000000030B0000-memory.dmp

Filesize
64KB

Download
memory/2976-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download