fatalrat | ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2

Analysis

max time kernel
102s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 06:13

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General

Target

ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
Size

6.1MB
MD5

052072ffc4f8449345ceea343fdee0a7
SHA1

c64f1e6fa8b7ebcbda234f4534fbf654b0a4850c
SHA256

ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2
SHA512

1703513639446cc7c72142571f3016032df27346c09b2da1a5b35e51b814f27e4f13599702338e884182f578eef7f32d90d165732238c45f26523a88f9737f97
SSDEEP

98304:AAymlFX/ZL1K4WIqBI4rpNBczHA65wtX5bBeNz26AG1jQiWHugB9:AAhlFRLchIqBfz82XN8N6OjQr

Score

10^/10

fatalrat gh0strat defense_evasion discovery infostealer rat upx

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat
Fatalrat family
fatalrat

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/3948-52-0x00000000039A0000-0x0000000003AED000-memory.dmp	family_gh0strat
behavioral2/memory/3948-53-0x00000000039A0000-0x0000000003AED000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/3948-43-0x0000000002E60000-0x0000000002E8A000-memory.dmp	fatalrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	NHdVRh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Macromedia-Packages.lnk	NHdVRh.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Macromedia-Packages.lnk	NHdVRh.exe

Executes dropped EXE 2 IoCs

pid	Process
2432	NHdVRh.exe
3948	NHdVRh.exe

Loads dropped DLL 2 IoCs

pid	Process
3948	NHdVRh.exe
3948	NHdVRh.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3948-52-0x00000000039A0000-0x0000000003AED000-memory.dmp	upx
behavioral2/memory/3948-53-0x00000000039A0000-0x0000000003AED000-memory.dmp	upx
behavioral2/memory/3948-49-0x00000000039A0000-0x0000000003AED000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NHdVRh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NHdVRh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	write.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wordpad.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	NHdVRh.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	NHdVRh.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	cmd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\SlowContextMenuEntries = 0114020000000000c0000000000000466d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cmd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	cmd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	cmd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	cmd.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{00021401-0000-0000-C000-000000000046} {000214E4-0000-0000-C000-000000000046} 0xFFFF = 0100000000000000087d52e0934bdb01	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe
3948	NHdVRh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	NHdVRh.exe
Token: SeDebugPrivilege	3948	NHdVRh.exe
Token: SeIncBasePriorityPrivilege	3948	NHdVRh.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1924	wordpad.exe
1924	wordpad.exe
1924	wordpad.exe
1924	wordpad.exe
1924	wordpad.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 2376	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	85
PID 3480 wrote to memory of 2376	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	85
PID 3480 wrote to memory of 2376	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	85
PID 1004 wrote to memory of 2432	1004	cmd.exe	88
PID 1004 wrote to memory of 2432	1004	cmd.exe	88
PID 1004 wrote to memory of 2432	1004	cmd.exe	88
PID 2376 wrote to memory of 1924	2376	write.exe	87
PID 2376 wrote to memory of 1924	2376	write.exe	87
PID 2376 wrote to memory of 1924	2376	write.exe	87
PID 1924 wrote to memory of 3960	1924	wordpad.exe	91
PID 1924 wrote to memory of 3960	1924	wordpad.exe	91
PID 3480 wrote to memory of 3056	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	94
PID 3480 wrote to memory of 3056	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	94
PID 3480 wrote to memory of 3056	3480	ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe	94
PID 3056 wrote to memory of 3948	3056	cmd.exe	95
PID 3056 wrote to memory of 3948	3056	cmd.exe	95
PID 3056 wrote to memory of 3948	3056	cmd.exe	95
PID 3948 wrote to memory of 1396	3948	NHdVRh.exe	104
PID 3948 wrote to memory of 1396	3948	NHdVRh.exe	104
PID 3948 wrote to memory of 1396	3948	NHdVRh.exe	104

C:\Users\Admin\AppData\Local\Temp\ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe
"C:\Users\Admin\AppData\Local\Temp\ca210e068987b172434c1b99cb6f5f56fba99b3bccf5ff4c4e8cd170c7b9a8a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3480
- C:\Windows\SysWOW64\write.exe
  "C:\Windows\System32\write.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Program Files (x86)\Windows NT\Accessories\wordpad.exe
    "C:\Program Files (x86)\Windows NT\Accessories\wordpad.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      4⤵
      PID:3960
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start "" "C:\ProgramData\NHdVRh\NHdVRh.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\ProgramData\NHdVRh\NHdVRh.exe
    "C:\ProgramData\NHdVRh\NHdVRh.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3948
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c del /q C:\ProgramData\NHdVRh\NHdVRh.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:1396

C:\Windows\system32\cmd.exe
cmd /c start C:\Users\Admin\Desktop\NHdV.lnk
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Roaming\NHdVRh.exe
  "C:\Users\Admin\AppData\Roaming\NHdVRh.exe" -n C:\Users\Admin\AppData\Roaming\NHdVR.zip -d C:\Users\Admin\AppData\Roaming
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2432

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\NHdVRh\MSVCR71.dll

Filesize
340KB

MD5
86f1895ae8c5e8b17d99ece768a70732

SHA1
d5502a1d00787d68f548ddeebbde1eca5e2b38ca

SHA256
8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe

SHA512
3b7ce2b67056b6e005472b73447d2226677a8cadae70428873f7efa5ed11a3b3dbf6b1a42c5b05b1f2b1d8e06ff50dfc6532f043af8452ed87687eefbf1791da

Download Submit
C:\ProgramData\NHdVRh\NHdVRh.exe

Filesize
885KB

MD5
9e6082e88e8ef4c1bc50bca07ed21ad4

SHA1
ada9368c8a9b3430933c9df50272d4bd26831f4d

SHA256
e6fd5a873ba71bfc108000d25c73e03d184955c7aa5ffa17fc33ca2d0c5fd203

SHA512
3350e3dac2f8465bf966e8fa6e54a34842196dfbcc1e785b11ccef082f750d278116a6e6164ff07e3f7247039e22395186ed9fcb1c4141ba74c5e48dc8da1915

Download Submit
C:\ProgramData\NHdVRh\fsk.dll

Filesize
1.7MB

MD5
5518f1f23917af02b88dac408e358ab9

SHA1
c110e288db0a65155cc6f32d7b786c3d319b4986

SHA256
9efcd38d6fdd8b15f9f223d39ad2185ade41674d355f7fcbd7361c1a0271f35a

SHA512
17a8e8d69a7bd5854da31d67ca198a1c42998451facc24a017b13bb8da1981fe4c4002f12e46aa3fe651723736d43925c518d0da95b41dba750ece5c470a050e

Download Submit
C:\ProgramData\NHdVRh\longlq.cl

Filesize
1.2MB

MD5
7384b590bbac1439e788640bc849759c

SHA1
a245fde160ae5796ae0e06b63e1448689f9b7e61

SHA256
cc52cdafa4d588e382dd30148eede53ba9dd9e16b95315bdd9de626521f7a302

SHA512
8fee0d97e541bb36163e7153d53cea3752dc4c0539705aaecbc3b803471990d26160478ac2bb450cf81fa3eda8ce237672f905ebf609fcd9836b948c43fb5d5b

Download Submit
C:\Users\Admin\AppData\Roaming\NHdVR.zip

Filesize
653B

MD5
81b256f2adbfb6c962e8476bc740af6a

SHA1
20c62062e7131827ee0c0ac807492247591b9363

SHA256
6a93dd61ae95abb6dbbaf7c22e3198ef66a4017a6e1edc5c158727f020e19923

SHA512
e55b4103e4ba7d506fc47046db005c9e0bf28156d4ae3690c4427dadc59371797a6cb14e5cf65f976015c998f197f299ddd0abc065bc4210a0001776a02874bc

Download Submit
C:\Users\Admin\AppData\Roaming\NHdVRh.exe

Filesize
220KB

MD5
91eb8e88965207b2023519b7da93ac2b

SHA1
27ab0cbfddfd2cd4eae70b8762cd9ffc9382cbb4

SHA256
56efb141fc00a52e24d736cab09b966f80dacda3ce57386c1e5b1cc661c6bf4c

SHA512
7c3c1116388ec0ee725950340a6af705844313cbc62fc778eda147d8b99c144b3d13c92321f40a6292c443c93dfbcc855d792a9b36be573859e8876a770b11e1

Download Submit
C:\Users\Admin\Desktop\NHdV.lnk

Filesize
948B

MD5
13151a2c75411353bb256e40fbdcda75

SHA1
33402c0a3622a3ccfe89e914d3bfc42752b97d80

SHA256
aed84b61dcca6e62b8b6f5f9b18f9b76331114f395ba7408f83e31e2e2decc5e

SHA512
abe3244c6725d3549d09637330d83ce595058cff70846899f9388fd67923eb1072decd567530074935501667c79eeae737e133c5636f9dc1032fcbb47eca937e

Download Submit
C:\Users\Admin\Desktop\NHdV.lnk

Filesize
1KB

MD5
f9363042671d59a82d61493045ac0905

SHA1
cd25ed53d6bc37e4824644cb509a52ac6d6633a0

SHA256
f18a46c5d5b0ca9cdc8ca769489e55bf73b76a40a13e59fb5cc6f530e5199136

SHA512
1cb440777fe1d1f68a3f771d368b455df8d81f12cccfeb8a721202e7758910953b393fba1b4810e1dcf452fd3530232f7a944ece94a47a76f5109b290a4d33c9

Download Submit
memory/3480-27-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3480-42-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3480-48-0x0000000002C90000-0x0000000003273000-memory.dmp

Filesize
5.9MB

Download
memory/3480-0-0x0000000002C90000-0x0000000003273000-memory.dmp

Filesize
5.9MB

Download
memory/3948-43-0x0000000002E60000-0x0000000002E8A000-memory.dmp

Filesize
168KB

Download
memory/3948-52-0x00000000039A0000-0x0000000003AED000-memory.dmp

Filesize
1.3MB

Download
memory/3948-53-0x00000000039A0000-0x0000000003AED000-memory.dmp

Filesize
1.3MB

Download
memory/3948-49-0x00000000039A0000-0x0000000003AED000-memory.dmp

Filesize
1.3MB

Download