dbdb54d5a90130e3370590c7e07b2e3146f8578305554ba3ed11aab579a3dd3f

Analysis

max time kernel
94s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 12:00

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General

Target

0rr48RlGuyf8MbsABD4Fd5xg.exe
Size

1.1MB
MD5

3b4348d187f24c82370836531f3fa94e
SHA1

a2ca4e9f4a8d9c8634e42765e90e252803e20b15
SHA256

cd189a8c952420bf33b68cce03b41900e8c784b1010213b097ecdb2d7e8079f7
SHA512

2bab3c1e38a21cefc06363db75931bf3bfe0b4ee3f089293a750dfc866abc32c7135d2d9ba7ccb005aa01ad02d0a75a5fa02f85ca78cc8fe637615b7fa9e7394
SSDEEP

24576:eDTLDJqGd+zowht2zmctw1CdvHh82JdjGY6LvxwAgRp54+/jrNtIf:qzdkBTce1CxHh8mlGY6LJBu54MjJaf

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
33	1740	rundll32.exe

Checks computer location settings 2 TTPs 5 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Z2bT94N_CMSE.Exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	mshta.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	rundll32.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	0rr48RlGuyf8MbsABD4Fd5xg.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 2 IoCs

pid	Process
3084	Z2bT94N_CMSE.Exe
1844	e58b8cc.exe

Loads dropped DLL 2 IoCs

pid	Process
1740	rundll32.exe
1740	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2432	1844	WerFault.exe	102

System Location Discovery: System Language Discovery 1 TTPs 9 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	0rr48RlGuyf8MbsABD4Fd5xg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e58b8cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Z2bT94N_CMSE.Exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1056	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1056	taskkill.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 3056	3188	0rr48RlGuyf8MbsABD4Fd5xg.exe	83
PID 3188 wrote to memory of 3056	3188	0rr48RlGuyf8MbsABD4Fd5xg.exe	83
PID 3188 wrote to memory of 3056	3188	0rr48RlGuyf8MbsABD4Fd5xg.exe	83
PID 3056 wrote to memory of 4552	3056	mshta.exe	85
PID 3056 wrote to memory of 4552	3056	mshta.exe	85
PID 3056 wrote to memory of 4552	3056	mshta.exe	85
PID 4552 wrote to memory of 3084	4552	cmd.exe	87
PID 4552 wrote to memory of 3084	4552	cmd.exe	87
PID 4552 wrote to memory of 3084	4552	cmd.exe	87
PID 4552 wrote to memory of 1056	4552	cmd.exe	88
PID 4552 wrote to memory of 1056	4552	cmd.exe	88
PID 4552 wrote to memory of 1056	4552	cmd.exe	88
PID 3084 wrote to memory of 5088	3084	Z2bT94N_CMSE.Exe	90
PID 3084 wrote to memory of 5088	3084	Z2bT94N_CMSE.Exe	90
PID 3084 wrote to memory of 5088	3084	Z2bT94N_CMSE.Exe	90
PID 5088 wrote to memory of 3948	5088	mshta.exe	91
PID 5088 wrote to memory of 3948	5088	mshta.exe	91
PID 5088 wrote to memory of 3948	5088	mshta.exe	91
PID 3084 wrote to memory of 1740	3084	Z2bT94N_CMSE.Exe	93
PID 3084 wrote to memory of 1740	3084	Z2bT94N_CMSE.Exe	93
PID 3084 wrote to memory of 1740	3084	Z2bT94N_CMSE.Exe	93
PID 1740 wrote to memory of 1844	1740	rundll32.exe	102
PID 1740 wrote to memory of 1844	1740	rundll32.exe	102
PID 1740 wrote to memory of 1844	1740	rundll32.exe	102

C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe
"C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\System32\mshta.exe" vBscrIpT: ClOsE (CrEaTeobjeCt ( "WsCRIPt.SHELl"). RUN( "cmD.EXe /C coPy /y ""C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe"" Z2bT94N_CMSE.Exe && START Z2Bt94N_cMSE.eXE -PMrvgB7ejl2YIjc3PC8aTZbo &IF """" == """" for %j iN (""C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe"" ) do taskkill -im ""%~NXj"" -f " , 0, tRue ) )
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C coPy /y "C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe" Z2bT94N_CMSE.Exe && START Z2Bt94N_cMSE.eXE -PMrvgB7ejl2YIjc3PC8aTZbo&IF "" == "" for %j iN ("C:\Users\Admin\AppData\Local\Temp\0rr48RlGuyf8MbsABD4Fd5xg.exe" ) do taskkill -im "%~NXj" -f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4552
  - - C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe
      Z2Bt94N_cMSE.eXE -PMrvgB7ejl2YIjc3PC8aTZbo
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3084
    - - C:\Windows\SysWOW64\mshta.exe
        
        "C:\Windows\System32\mshta.exe" vBscrIpT: ClOsE (CrEaTeobjeCt ( "WsCRIPt.SHELl"). RUN( "cmD.EXe /C coPy /y ""C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe"" Z2bT94N_CMSE.Exe && START Z2Bt94N_cMSE.eXE -PMrvgB7ejl2YIjc3PC8aTZbo &IF ""-PMrvgB7ejl2YIjc3PC8aTZbo"" == """" for %j iN (""C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe"" ) do taskkill -im ""%~NXj"" -f " , 0, tRue ) )
        5⤵
        Checks computer location settings
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5088
      - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C coPy /y "C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe" Z2bT94N_CMSE.Exe && START Z2Bt94N_cMSE.eXE -PMrvgB7ejl2YIjc3PC8aTZbo&IF "-PMrvgB7ejl2YIjc3PC8aTZbo" == "" for %j iN ("C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe" ) do taskkill -im "%~NXj" -f
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3948
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\System32\rundll32.exe" .\HwWYSzK.F2,zgr
        5⤵
        Blocklisted process makes network request
        Checks computer location settings
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1740
      - C:\Users\Admin\AppData\Local\Temp\e58b8cc.exe
        
        "C:\Users\Admin\AppData\Local\Temp\e58b8cc.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1844
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 804
        7⤵
        Program crash
        
        PID:2432
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill -im "0rr48RlGuyf8MbsABD4Fd5xg.exe" -f
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1844 -ip 1844
1⤵
PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\HwWYSzK.F2

Filesize
1.3MB

MD5
8586e83a33f4c1b8d81f568155663be7

SHA1
95a37fbaeb58fafbe14dfae8f539aeff509efb1f

SHA256
85ec523c939d552531246b8fe2f795b4623e1108945824525d549fda22d2afb9

SHA512
51aafad0bc8cd058196c042dab1c000a62a13caeaf5e432e2e7c5f8452b36e4e3a64e66b0aa9a981979edacc37c581957448a00ac5bd154e8081c06eb0de442f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Z2bT94N_CMSE.Exe

Filesize
1.1MB

MD5
3b4348d187f24c82370836531f3fa94e

SHA1
a2ca4e9f4a8d9c8634e42765e90e252803e20b15

SHA256
cd189a8c952420bf33b68cce03b41900e8c784b1010213b097ecdb2d7e8079f7

SHA512
2bab3c1e38a21cefc06363db75931bf3bfe0b4ee3f089293a750dfc866abc32c7135d2d9ba7ccb005aa01ad02d0a75a5fa02f85ca78cc8fe637615b7fa9e7394

Download Submit
C:\Users\Admin\AppData\Local\Temp\e58b8cc.exe

Filesize
21KB

MD5
858939a54a0406e5be7220b92b6eb2b3

SHA1
da24c0b6f723a74a8ec59e58c9c0aea3e86b7109

SHA256
a30f30a109cb78d5eb1969f6c13f01a1e0a5f07b7ad8b133f5d2616223c1ce0a

SHA512
8875d1e43ea59314695747796894a2f171e92f7b04024dbc529af1497331489e279cd06ea03061288089d2f07ad437178b9d62f0bae2e16ae0b95c5681569401

Download Submit
memory/1740-20-0x0000000003970000-0x000000000422E000-memory.dmp

Filesize
8.7MB

Download
memory/1740-22-0x00000000042D0000-0x0000000004361000-memory.dmp

Filesize
580KB

Download
memory/1740-15-0x00000000038D0000-0x000000000396D000-memory.dmp

Filesize
628KB

Download
memory/1740-16-0x0000000002E30000-0x0000000002F77000-memory.dmp

Filesize
1.3MB

Download
memory/1740-19-0x00000000038D0000-0x000000000396D000-memory.dmp

Filesize
628KB

Download
memory/1740-11-0x0000000003810000-0x00000000038C1000-memory.dmp

Filesize
708KB

Download
memory/1740-21-0x0000000004230000-0x00000000042C5000-memory.dmp

Filesize
596KB

Download
memory/1740-12-0x00000000038D0000-0x000000000396D000-memory.dmp

Filesize
628KB

Download
memory/1740-23-0x00000000042D0000-0x0000000004361000-memory.dmp

Filesize
580KB

Download
memory/1740-25-0x00000000042D0000-0x0000000004361000-memory.dmp

Filesize
580KB

Download
memory/1740-26-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/1740-27-0x0000000000F20000-0x0000000000F24000-memory.dmp

Filesize
16KB

Download
memory/1740-28-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/1740-10-0x0000000002E30000-0x0000000002F77000-memory.dmp

Filesize
1.3MB

Download
memory/1844-43-0x0000000000760000-0x0000000000768000-memory.dmp

Filesize
32KB

Download