Overview
overview
7Static
static
7jaffacakes...jr.exe
windows10-2004-x64
7jaffacakes...jr.exe
windows11-ltsc_2024-x64
7$PLUGINSDIR/7za.exe
windows10-2004-x64
3$PLUGINSDIR/7za.exe
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-ltsc_2024-x64
3uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ON.dll
windows10-2004-x64
5$PLUGINSDI...ON.dll
windows11-ltsc_2024-x64
5Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/10/2026, 17:14
Behavioral task
behavioral1
Sample
jaffacakes118_Hoax.Win32.SpeedUpMyPC.zjr.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
jaffacakes118_Hoax.Win32.SpeedUpMyPC.zjr.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/7za.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/7za.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/inetc.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/inetc.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsJSON.dll
Resource
win10v2004-20260911-en
General
- Target uninstall.exe
- Size 91KB
- Sample261009-vsb7tada73
- SHA256 7e36aa07f038be4ccd1dbc0d8fb50db6413cb702c031d277a392827dab886a48
- MD5 f27aa6b8b40a631458ad84e04142352c
- SHA1 47906076327b433a0aa7058efb1830707eea4fbc
- SHA512 788713b3823d6e292f148d6dff8b91d80f0afae628394e2b8c061033bceced601a72afffc809d74296d836bec97d6590e6258e5c39aef8e917bbd8d48b619d92
- SSDEEP 1536:ZpgpHzb9dZVX9fHMvG0D3XJfd/YPIRvIESm2HkRfgxquWrA9GPcrspFIh:TgXdZt9P6D3XJfdAgsdHEgxquWqr+G
- TLSH T19093E14A23D0E87BD6A32A710ABFEB7FF7B9D6C402155B0747542F3B2E2614AC905294
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral13/files/0x000700000002430b-21.dat acprotect - Deletes itself 1 TTPs 1 IoCs
pid Process 4740 Au_.exe - Executes dropped EXE 1 IoCs
pid Process 4740 Au_.exe - Loads dropped DLL 6 IoCs
pid Process 4740 Au_.exe 4740 Au_.exe 4740 Au_.exe 4740 Au_.exe 4740 Au_.exe 4740 Au_.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral13/files/0x000700000002430b-21.dat upx behavioral13/memory/4740-22-0x0000000073EB0000-0x0000000073EBA000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname Au_.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Au_.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe - NSIS installer 2 IoCs
resource yara_rule behavioral13/files/0x00080000000242ea-4.dat nsis_installer_1 behavioral13/files/0x00080000000242ea-4.dat nsis_installer_2 - Kills process with taskkill 1 IoCs
pid Process 1912 taskkill.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Software\Microsoft\Internet Explorer\Main Au_.exe - Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.mysearchpage.net" Au_.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1912 taskkill.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3564 wrote to memory of 4740 3564 uninstall.exe 86 PID 4740 wrote to memory of 1912 4740 Au_.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\system32\taskkill.exe" /F /IM easyspeedcheck.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1912
-
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsc7163.tmp\inetc.dll
- Size 20KB
- SHA256 3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420
- MD5 e541458cfe66ef95ffbea40eaaa07289
- SHA1 caec1233f841ee72004231a3027b13cdeb13274c
- SHA512 0bf6313e4cb7bbdcfba828fb791540b630adc58c43aa4b5ba77790367d0f34f76077cd84cc62e2a2c98c788a88547f32a11e549873d172c5aa2753124847cd0c
- SSDEEP 384:b1JO6XgZkjxm+NpXaWgzxUX//EUhU7ya4LQ0Ac9khYLMkIX0+GBty3Sm0:b+6Xgsm+NpKWgzxUXnEUhUua4Li70
- TLSH T1C1921A01AF5566F3D3A90830F569375686EBAE742530A4876BF31FCD186A283FA35703
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsc7163.tmp\nsDialogs.dll
- Size 9KB
- SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
- MD5 c10e04dd4ad4277d5adc951bb331c777
- SHA1 b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
- SHA512 853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
- SSDEEP 96:hBABCcnl5TKhkfLxSslykcxM2DjDf3GE+Xv8Xav+Yx4VndY7ndS27gA:h6n+0SAfRE+/8ZYxMdqn420
- TLSH T17F12F8675A4041B3E9A3223D306A3E3F8B7C9325D0927C03C677AE566AB031A7D3A354
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsc7163.tmp\nsJSON.dll
- Size 7KB
- SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
- MD5 b9cd1b0fd3af89892348e5cc3108dce7
- SHA1 f7bc59bf631303facfc970c0da67a73568e1dca6
- SHA512 fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90
- SSDEEP 96:Zw8NZ0x0OOdzJt0TwYKj7W/NYDNd9fQ6blfW+KrWC69r7ncnrD6Qdm:6e/7vAmrHblfW3iCmDcru
- TLSH T122E15C8173B8409BE0F1137A68E5830B715DFD50CEB5578E6AC0224F6CD16B49F44B75
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
- Size 91KB
- SHA256 7e36aa07f038be4ccd1dbc0d8fb50db6413cb702c031d277a392827dab886a48
- MD5 f27aa6b8b40a631458ad84e04142352c
- SHA1 47906076327b433a0aa7058efb1830707eea4fbc
- SHA512 788713b3823d6e292f148d6dff8b91d80f0afae628394e2b8c061033bceced601a72afffc809d74296d836bec97d6590e6258e5c39aef8e917bbd8d48b619d92
- SSDEEP 1536:ZpgpHzb9dZVX9fHMvG0D3XJfd/YPIRvIESm2HkRfgxquWrA9GPcrspFIh:TgXdZt9P6D3XJfdAgsdHEgxquWqr+G
- TLSH T19093E14A23D0E87BD6A32A710ABFEB7FF7B9D6C402155B0747542F3B2E2614AC905294
- MD5 SHA1 SHA512 SSDEEP TLSH