Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/07/2026, 12:30
Behavioral task
behavioral1
Sample
Shift%20-%20PDF_x55p21.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target Shift%20-%20PDF_x55p21.exe
- Size 8.5MB
- Sample260727-ppnhsascmc
- SHA256 728d156bd4da92dd8c3a22317154a074960e0dc1f4a1db83e5af56ef4ddf55c2
- MD5 7c09a85f4ffa84f7253cf366ea19625b
- SHA1 0f86cc90dc07babbedf4abb87bac157aa5212768
- SHA512 d9ba8d639d0cefce0fda4e0c845f49b2a98908223693ba9de76b354c052f7ab24f66df6b17e0d1513431bbe435d748f8d2f9194441078a2c8ede895414f30643
- SSDEEP 196608:tDbBa7UwIsJj7brIeR28TQzTAyiq+0M/h3iH/bw38G4tqK:tDta4wIsJ/brLU8czcxV1ifc3z4
- TLSH T117962323724E673EE47A4A365972AA14853FAA10641F8CB386E44E4CDF2D0901E7FF57
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Downloads MZ/PE file 1 IoCs
flow pid Process 12 4928 Shift%20-%20PDF_x55p21.tmp - Executes dropped EXE 1 IoCs
pid Process 4928 Shift%20-%20PDF_x55p21.tmp - Loads dropped DLL 3 IoCs
pid Process 4928 Shift%20-%20PDF_x55p21.tmp 4928 Shift%20-%20PDF_x55p21.tmp 4928 Shift%20-%20PDF_x55p21.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Shift%20-%20PDF_x55p21.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Shift%20-%20PDF_x55p21.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/6108-0-0x0000000000360000-0x0000000000498000-memory.dmp innosetup behavioral1/memory/6108-63-0x0000000000360000-0x0000000000498000-memory.dmp innosetup - Script User-Agent 4 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 6 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 10 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 38 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4928 Shift%20-%20PDF_x55p21.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6108 wrote to memory of 4928 6108 Shift%20-%20PDF_x55p21.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shift%20-%20PDF_x55p21.exe"C:\Users\Admin\AppData\Local\Temp\Shift%20-%20PDF_x55p21.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6108 -
C:\Users\Admin\AppData\Local\Temp\is-B2BDV.tmp\Shift%20-%20PDF_x55p21.tmp"C:\Users\Admin\AppData\Local\Temp\is-B2BDV.tmp\Shift%20-%20PDF_x55p21.tmp" /SL5="$602CC,7452306,1214464,C:\Users\Admin\AppData\Local\Temp\Shift%20-%20PDF_x55p21.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:4928
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-B2BDV.tmp\Shift%20-%20PDF_x55p21.tmp
- Size 3.9MB
- SHA256 b1de229319a10eb4ce0fecee1dacdb91bb86eb42d4d2db5faafafefb04e20e02
- MD5 b34a3698cdf5d41cc8644f8ac73ddfe3
- SHA1 56f82fa5bdab3124feb92f9b7b549cd4555f5fcd
- SHA512 3ef9f57be219858c0ca9a8c39d1b1b9944101b163d557ffab55bd07f58b994378efc7dceee1a14dbdaa29daa75ab77de353174349bd1a249d8d2c6ea8a77987b
- SSDEEP 49152:i44B+lNsHPWeelGdwSxQRw9CuL0wijepA8oGd9Tg70azpkfC333jAga4ESbhFjV:5IPp70wijepoGzgbAC333ta7SlFZ
- TLSH T17D167C13F389653ED06B1A3B683F9250583F767039178C579AEC3A4C8E795802E3A767
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-JSKJE.tmp\Win32Library.dll
- Size 49KB
- SHA256 92af9d054e3b5dc9f472ff9534060d1c70e2ac77f768ae9e5029e29fcd606198
- MD5 d82b30898c428a7dbee81cecea520f68
- SHA1 af89fa7f560c6cb183a293860e2638615f5d2001
- SHA512 c334edcb26275efd2fd9df4b68ccc874862e4b53cb13e2edac0c81e97bc6e9e1463ce938f4d74844fdad7d38ad29fc6aa5582a0b0b13eecffd8947685eb9f334
- SSDEEP 768:t6lBHNrzbZJ7xxNuI9nD9nz7q19BS5q7RD/v/C:t6R3bDxffnD96TBpRzXC
- TLSH T19C336C02F7E45A30E6BF4B3D487A46484370F55A6927EB4E0EC2688E7DB77405990BB3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-JSKJE.tmp\fr.json
- Size 482B
- SHA256 156d5d900c86ec30e5cc088441b816c4ab4b92b9ee2a431fab23fb42e405d25d
- MD5 bea65a23852d97997a9e6933506ca882
- SHA1 866bd9fa9d259b57f6b108e4b4aaccba337139da
- SHA512 45d347363ec77b4433f922eb9766cfb3987793f9b216f41ba07dbec6ca720384adef1c7a30ed69bdbe518b2f740f14dd6615ff1b504650b41bea6f3114970592
- TLSH T121F02EC843F0837364C2135E55439FD17431CC9A12D2604D4BEBD509125FC6BA75335E
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-JSKJE.tmp\shift-pdf.png
- Size 7KB
- SHA256 c5ab6aea787bf9da9116554f93704d342e8214706904849d6fdb66856923e460
- MD5 782bbbc3de0d4f7a1dcd812fcc490cba
- SHA1 273256420ab3824e7a6ec74a1fb01f52ef5d7d63
- SHA512 e2d8a3ac4c6aad0a71d5eb2f491d4c125ad683c2502a71e2debcfb2cd14875e1ac08ca0550c8cbc7e5b18e7bcd3cd5830ead597ecd12cab433cc4f84a5dc2a82
- SSDEEP 192:4hBTAyVdPsncrm0O6n256PUNfHNGx3dZ1iZHAe9Ism:4htVlVOa40UVHNGx3dHoHAeaB
- TLSH T161F18DDFCFF049438879171A82FAFC16B0CA50A026674121AF1786EF7099867274DAB3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-JSKJE.tmp\shift.png
- Size 134KB
- SHA256 a1d2c48437058f24a5ea85c323469473ac4430198770794522a32c28783aadb7
- MD5 0423d0589e58341b5b64c6099f4123b7
- SHA1 4936c3104af415dd882caa94da80a8af600685c5
- SHA512 2c1d63ab401ff6d12b1935ac04f8cb9de3afe63d03ee1c8f9103250ed21f41cdddee955f26b5b1395ea3d324073a2b1e0c6b03f024966297724dce3e3840e05a
- SSDEEP 3072:bmN1G4sZna5sznfIoe+Q/0o3eQDq7Mzdi4bwe1RiTDPxrYGoa6S+Y:bmN1G4BsnfIym4QDqCx1cDJcGohS+Y
- TLSH T1D6D312BF3717FEFEC119082AD89A223DD2488455042F5BF325385568B32342E9E2B5ED
- MD5 SHA1 SHA512 SSDEEP TLSH