Analysis
- max time kernel
150s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/08/2026, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe
Resource
win10v2004-20260513-en
General
- Target 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe
- Size 4.4MB
- Sample260830-1vbxqa1bra
- SHA256 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb
- MD5 fdbe83157768391fe671200b25329fad
- SHA1 0d7b9378c424217ea933f2246fa90f5fd8ca8e5b
- SHA512 608f6676c3c175cbeb688d47b43073dde7482797939746d9405df32f2923fdfcf526d155ff9378973be4cec72c8766fff07f015e2c06017974e93f280aa5ff82
- SSDEEP 49152:hzgKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDh:xIQ9zNBmsOqQgDNcEanO
- TLSH T159266D5662F840E9E5BBE1788E3AD532FBB27C120530A34F06A0DA5B1F776605E3D721
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation exeCD.exe - Deletes itself 1 IoCs
pid Process 3732 temp0a1.exe - Executes dropped EXE 3 IoCs
pid Process 3732 temp0a1.exe 3584 exeCD.exe 3564 temp0a1.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\jaremore = "C:\\Windows\\exeCD.exe" temp0a1.exe - Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\E: temp0a1.exe File opened (read-only) \??\G: temp0a1.exe File opened (read-only) \??\M: temp0a1.exe File opened (read-only) \??\S: temp0a1.exe File opened (read-only) \??\Y: temp0a1.exe File opened (read-only) \??\A: temp0a1.exe File opened (read-only) \??\A: temp0a1.exe File opened (read-only) \??\J: temp0a1.exe File opened (read-only) \??\K: temp0a1.exe File opened (read-only) \??\L: temp0a1.exe File opened (read-only) \??\N: temp0a1.exe File opened (read-only) \??\P: temp0a1.exe File opened (read-only) \??\U: temp0a1.exe File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\R: temp0a1.exe File opened (read-only) \??\T: temp0a1.exe File opened (read-only) \??\X: temp0a1.exe File opened (read-only) \??\O: temp0a1.exe File opened (read-only) \??\H: temp0a1.exe File opened (read-only) \??\I: temp0a1.exe File opened (read-only) \??\Q: temp0a1.exe File opened (read-only) \??\V: temp0a1.exe File opened (read-only) \??\W: temp0a1.exe File opened (read-only) \??\Z: temp0a1.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\bb.ico temp0a1.exe - Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe temp0a1.exe - Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification C:\Windows\temp0a1.exe 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe File opened for modification C:\Windows\exeCD.exe temp0a1.exe File created C:\Windows\temp0a1.exe exeCD.exe File opened for modification C:\Windows\file0a0.dat exeCD.exe File created C:\Windows\exeCD.exe temp0a1.exe File opened for modification C:\Windows\file0a0.dat 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe File opened for modification C:\Windows\temp0a1.exe exeCD.exe File opened for modification C:\Windows\exeCD.exe temp0a1.exe File created C:\Windows\temp0a1.exe 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp0a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language exeCD.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp0a1.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3812 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe 3812 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe 3584 exeCD.exe 3584 exeCD.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3812 wrote to memory of 3732 3812 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe 84 PID 3584 wrote to memory of 3564 3584 exeCD.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe"C:\Users\Admin\AppData\Local\Temp\42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3732
-
-
C:\Windows\exeCD.exeC:\Windows\exeCD.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3564
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bb.ico
- Size 4KB
- SHA256 823cbf89390733bd09d5541839786670d748064e50ff235928abd9e2433192b7
- MD5 84a8ab049bb249ce1b1e25d5648571a9
- SHA1 66b48c0e63f542b74a5b003af9660222c1d0f324
- SHA512 8ce3b7fa9917ee0164b3a09920aaa1ec6806159aab184e3fbb15fc58134c64957811eded9ad3d459c0c1a257aee3129473136d1800f5d89bc9adc5a43a4b6c64
- SSDEEP 48:z2pe4sdnY/3XXXXXXXXXXcDD3V+yD3/6k0vucpb:z6bsdnY/XXXXXXXXXXcDD3Vr/6Jvu6
- TLSH T19C91553EA718B8B0F98E6DB1236FC064505E7504151BCDA6B1A9FCB07F92CEA40143CE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\file0a0.dat
- Size 102B
- SHA256 e497e7a3b6e3e5dd14681685d5457d580fe2eaa627f910bb71fecccb9408a8ef
- MD5 659b3e226a232eb0028ff3deeeb0bcff
- SHA1 204805d36926b0be4f3143e5431fa3dad42d94bf
- SHA512 cd4fe634a80373d0cf26600ad4b44b560fbcd4d8d9bb0a00f8b14304171cd281cce1231aa719a0053ea11b1e609ef778618ebeedced8545347de4484bf05772e
- TLSH T1ABB0123C69C6C9191D84F31B0AF9E69DD6703478374A37D2D200CC182540477F1D4256
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\file0a0.dat
- Size 20B
- SHA256 9fff7d3d2046f9ecd12c7954d3ecb60ddcce08f1c11c43298e7314997694df32
- MD5 44f6958d1a36313a2dea6506821ddbd8
- SHA1 265782c31c0c130ec6f6009acbfedd132ac3a525
- SHA512 a70366da012bcce57916bd247995e5b4a4a28e1c5e94189753496693a48b5a3269354a8693c6ec3184346e353f652633e7752bde583b2c4590d650d0d94b8c46
- MD5 SHA1 SHA512
- Path C:\Windows\temp0a1.exe
- Size 4.4MB
- SHA256 42b6989b08b92da832c1e877af18239ef55e585c179e0fe63088fe76608763cb
- MD5 fdbe83157768391fe671200b25329fad
- SHA1 0d7b9378c424217ea933f2246fa90f5fd8ca8e5b
- SHA512 608f6676c3c175cbeb688d47b43073dde7482797939746d9405df32f2923fdfcf526d155ff9378973be4cec72c8766fff07f015e2c06017974e93f280aa5ff82
- SSDEEP 49152:hzgKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDh:xIQ9zNBmsOqQgDNcEanO
- TLSH T159266D5662F840E9E5BBE1788E3AD532FBB27C120530A34F06A0DA5B1F776605E3D721
- MD5 SHA1 SHA512 SSDEEP TLSH