Analysis
-
max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 20:23
Behavioral task
behavioral1
Sample
8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe
Resource
win7-20240903-en
General
-
Target
8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe
-
Size
9.6MB
-
MD5
15222345d443f0778788c0dc33e2c460
-
SHA1
3b50c1eb5f241aa5af41ae4f6ff43b9bd5465b44
-
SHA256
8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18fa
-
SHA512
590d8bbb12289f5a8d53f418820fcf5f37518e1d384259d8fa96ba40f8e7ccdfed137be142d5bfe13d4d1544ec049e0ef19da98f6e143623cfb59ea45efb129f
-
SSDEEP
196608:bqSmoMj2Im/4Zf/yibr/fp+Lmz1+/e9B9B5PNybSqvN8uaiUz4:blmb2X/4d/Fr/fz+/eDlJqmHM
Malware Config
Extracted
xworm
5.1
il-qualities.gl.at.ply.gg:20324
A5Ujpekg857KU4Rl
-
Install_directory
%Temp%
-
install_file
qt.exe
-
telegram
https://api.telegram.org/bot6958222883:AAFZ09ESb81nGyw8qg-gtaih83Ldbnza0y8/sendMessage?chat_id=911974952
Signatures
-
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/files/0x0008000000023cab-14.dat family_xworm behavioral2/memory/3672-27-0x0000000000410000-0x0000000000420000-memory.dmp family_xworm -
Njrat family
-
Xworm family
-
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation Qt QtWebEngineProcess.exe Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation New Client.exe -
Drops startup file 5 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nerist.exe nerist.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nerist.exe nerist.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nerist.url nerist.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qt.lnk Qt QtWebEngineProcess.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qt.lnk Qt QtWebEngineProcess.exe -
Executes dropped EXE 7 IoCs
pid Process 1748 NerestPCFree 0.31.1.exe 3672 Qt QtWebEngineProcess.exe 4688 New Client.exe 380 nerist.exe 3264 qt.exe 2432 qt.exe 4528 nerist.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qt = "C:\\Users\\Admin\\AppData\\Local\\Temp\\qt.exe" Qt QtWebEngineProcess.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nerist.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\nerist.exe\" .." nerist.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nerist.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\nerist.exe\" .." nerist.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 ip-api.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1748 NerestPCFree 0.31.1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 20 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 New Client.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NerestPCFree 0.31.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nerist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nerist.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Kills process with taskkill 5 IoCs
pid Process 1700 taskkill.exe 1036 taskkill.exe 4820 taskkill.exe 4388 taskkill.exe 224 taskkill.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4000 schtasks.exe 468 schtasks.exe 3008 schtasks.exe 3056 schtasks.exe 320 schtasks.exe 208 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 31 IoCs
description pid Process Token: SeDebugPrivilege 3672 Qt QtWebEngineProcess.exe Token: SeDebugPrivilege 3672 Qt QtWebEngineProcess.exe Token: SeDebugPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: SeDebugPrivilege 3264 qt.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: SeDebugPrivilege 2432 qt.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe Token: 33 380 nerist.exe Token: SeIncBasePriorityPrivilege 380 nerist.exe -
Suspicious use of WriteProcessMemory 58 IoCs
description pid Process procid_target PID 3172 wrote to memory of 1748 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 86 PID 3172 wrote to memory of 1748 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 86 PID 3172 wrote to memory of 1748 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 86 PID 3172 wrote to memory of 3672 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 88 PID 3172 wrote to memory of 3672 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 88 PID 3172 wrote to memory of 4688 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 89 PID 3172 wrote to memory of 4688 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 89 PID 3172 wrote to memory of 4688 3172 8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe 89 PID 3672 wrote to memory of 4000 3672 Qt QtWebEngineProcess.exe 92 PID 3672 wrote to memory of 4000 3672 Qt QtWebEngineProcess.exe 92 PID 4688 wrote to memory of 380 4688 New Client.exe 94 PID 4688 wrote to memory of 380 4688 New Client.exe 94 PID 4688 wrote to memory of 380 4688 New Client.exe 94 PID 380 wrote to memory of 4820 380 nerist.exe 96 PID 380 wrote to memory of 4820 380 nerist.exe 96 PID 380 wrote to memory of 4820 380 nerist.exe 96 PID 380 wrote to memory of 4588 380 nerist.exe 98 PID 380 wrote to memory of 4588 380 nerist.exe 98 PID 380 wrote to memory of 4588 380 nerist.exe 98 PID 380 wrote to memory of 468 380 nerist.exe 100 PID 380 wrote to memory of 468 380 nerist.exe 100 PID 380 wrote to memory of 468 380 nerist.exe 100 PID 380 wrote to memory of 4388 380 nerist.exe 117 PID 380 wrote to memory of 4388 380 nerist.exe 117 PID 380 wrote to memory of 4388 380 nerist.exe 117 PID 380 wrote to memory of 2528 380 nerist.exe 119 PID 380 wrote to memory of 2528 380 nerist.exe 119 PID 380 wrote to memory of 2528 380 nerist.exe 119 PID 380 wrote to memory of 3008 380 nerist.exe 121 PID 380 wrote to memory of 3008 380 nerist.exe 121 PID 380 wrote to memory of 3008 380 nerist.exe 121 PID 380 wrote to memory of 224 380 nerist.exe 124 PID 380 wrote to memory of 224 380 nerist.exe 124 PID 380 wrote to memory of 224 380 nerist.exe 124 PID 380 wrote to memory of 1852 380 nerist.exe 126 PID 380 wrote to memory of 1852 380 nerist.exe 126 PID 380 wrote to memory of 1852 380 nerist.exe 126 PID 380 wrote to memory of 3056 380 nerist.exe 128 PID 380 wrote to memory of 3056 380 nerist.exe 128 PID 380 wrote to memory of 3056 380 nerist.exe 128 PID 380 wrote to memory of 1700 380 nerist.exe 130 PID 380 wrote to memory of 1700 380 nerist.exe 130 PID 380 wrote to memory of 1700 380 nerist.exe 130 PID 380 wrote to memory of 4436 380 nerist.exe 132 PID 380 wrote to memory of 4436 380 nerist.exe 132 PID 380 wrote to memory of 4436 380 nerist.exe 132 PID 380 wrote to memory of 320 380 nerist.exe 134 PID 380 wrote to memory of 320 380 nerist.exe 134 PID 380 wrote to memory of 320 380 nerist.exe 134 PID 380 wrote to memory of 1036 380 nerist.exe 138 PID 380 wrote to memory of 1036 380 nerist.exe 138 PID 380 wrote to memory of 1036 380 nerist.exe 138 PID 380 wrote to memory of 3248 380 nerist.exe 140 PID 380 wrote to memory of 3248 380 nerist.exe 140 PID 380 wrote to memory of 3248 380 nerist.exe 140 PID 380 wrote to memory of 208 380 nerist.exe 142 PID 380 wrote to memory of 208 380 nerist.exe 142 PID 380 wrote to memory of 208 380 nerist.exe 142 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe"C:\Users\Admin\AppData\Local\Temp\8f6daa3e0fbb154744974157de50bb44037f557bb3daafa4abb87364b16c18faN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\NerestPCFree 0.31.1.exe"C:\Users\Admin\AppData\Local\Temp\NerestPCFree 0.31.1.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:1748
-
-
C:\Users\Admin\AppData\Local\Temp\Qt QtWebEngineProcess.exe"C:\Users\Admin\AppData\Local\Temp\Qt QtWebEngineProcess.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "qt" /tr "C:\Users\Admin\AppData\Local\Temp\qt.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:4000
-
-
-
C:\Users\Admin\AppData\Local\Temp\New Client.exe"C:\Users\Admin\AppData\Local\Temp\New Client.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Users\Admin\AppData\Local\Temp\nerist.exe"C:\Users\Admin\AppData\Local\Temp\nerist.exe"3⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:4820
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f4⤵
- System Location Discovery: System Language Discovery
PID:4588
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\nerist.exe4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:468
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:4388
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f4⤵
- System Location Discovery: System Language Discovery
PID:2528
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\nerist.exe4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3008
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:224
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f4⤵
- System Location Discovery: System Language Discovery
PID:1852
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\nerist.exe4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3056
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:1700
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f4⤵
- System Location Discovery: System Language Discovery
PID:4436
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\nerist.exe4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:320
-
-
C:\Windows\SysWOW64\taskkill.exetaskkill /f im Wireshark.exe4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
PID:1036
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f4⤵
- System Location Discovery: System Language Discovery
PID:3248
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\nerist.exe4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:208
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\qt.exeC:\Users\Admin\AppData\Local\Temp\qt.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3264
-
C:\Users\Admin\AppData\Local\Temp\qt.exeC:\Users\Admin\AppData\Local\Temp\qt.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2432
-
C:\Users\Admin\AppData\Local\Temp\nerist.exeC:\Users\Admin\AppData\Local\Temp\nerist.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4528
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
-
Filesize
9.4MB
MD5528865813ccd9f4993ebfaa940ffb508
SHA1489edf8a9b2a3e8e7d9eebec4d1acd776b71e51b
SHA256d873e0097be4144f1b23e3d932587a18d5600d8d64071d53763d27cafe58f8e8
SHA512e6d55a53310640ff42d3bd7c01b1885773b38784e0c954112528dcd59ccbadbe986db95bb6c19b7c32177fa80c62880a5288b761f677510677cc605708fe7b85
-
Filesize
65KB
MD5f02dfb47ff572b423658f59d12319074
SHA1d4ff07fba5008cca37b6f2f03d0ff4410ee100c5
SHA256698433795eb56980728a350d3100516d24ccfb298c5683183b59f03131c32320
SHA5122b8a9d287dc1dee0accbce30fc88392123b09e228db4cbfe9afd3295e33582ad0e18ce05252146df0a48f7e5238dbb91807f06e2b8875c82207c6f6b8e03a5a2
-
Filesize
38KB
MD5079ecff45ff4bdf631a6dd6a2cdda813
SHA1d6bc1cf8e01a89d8f087a4eb27be8007b72edbee
SHA256c7574e6429e22cf4bf64f6c151c916002b1e0fd69c5ee1107d82fc0f25c352a7
SHA512c4c662fec87087d6b0ad7f2d3b88b04f3527d4b85c050251c89f6742a8d8fb7a85f5e8d2cc7a08a70bfb0c8d7c3435b9036cda771fd1e6061bf233ac711ea720