gcleaner | b50595dd8af7ce4622e5fbfb907e9044c9d7825dd81d74e228e55682d9be8912

Analysis

max time kernel
56s
max time network
59s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
30/01/2023, 01:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 2.1MB
Sample230130-bdsfpsdc7x
SHA256 b50595dd8af7ce4622e5fbfb907e9044c9d7825dd81d74e228e55682d9be8912
MD5 fe6f0daaf88e07ade087f1839a30cdaa
SHA1 a836f1fa2972e995063f123cd6fd149556079993
SHA512 a714339c93a1fc33493e51dbcd0783d5d40accd151d277d722fea02306eba3aeaeaf7e816cc8e8a06298be6fc1eecfb31b016fa5520bfc2a25c30a3651abe2e2
SSDEEP 49152:okug+tjw2EMythkOujuK0kIUuwpR3Jq5S3pzZ2P2QKRrJYuTPavsLCgv2MR:hug+t5ujJumaISVktKFJla0v2MR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Executes dropped EXE 3 IoCs

pid	Process
1332	file.tmp
1164	finalrecovery.exe
592	xZlFpj.exe

Loads dropped DLL 7 IoCs

pid	Process
1280	file.exe
1332	file.tmp
1332	file.tmp
1332	file.tmp
1332	file.tmp
1332	file.tmp
1164	finalrecovery.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\is-LUAI8.tmp	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\is-JPBB4.tmp	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\is-68A96.tmp	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\data\is-UB2S2.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\FgesoftFR\FinalRecovery\unins000.dat	file.tmp
File opened for modification	C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\is-Q8IST.tmp	file.tmp
File created	C:\Program Files (x86)\FgesoftFR\FinalRecovery\is-EE2BO.tmp	file.tmp

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1796	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1164	finalrecovery.exe
1164	finalrecovery.exe
1164	finalrecovery.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1280 wrote to memory of 1332	1280	file.exe	28
PID 1332 wrote to memory of 1164	1332	file.tmp	29
PID 1332 wrote to memory of 1164	1332	file.tmp	29
PID 1332 wrote to memory of 1164	1332	file.tmp	29
PID 1332 wrote to memory of 1164	1332	file.tmp	29
PID 1164 wrote to memory of 592	1164	finalrecovery.exe	30
PID 1164 wrote to memory of 592	1164	finalrecovery.exe	30
PID 1164 wrote to memory of 592	1164	finalrecovery.exe	30
PID 1164 wrote to memory of 592	1164	finalrecovery.exe	30
PID 1164 wrote to memory of 872	1164	finalrecovery.exe	33
PID 1164 wrote to memory of 872	1164	finalrecovery.exe	33
PID 1164 wrote to memory of 872	1164	finalrecovery.exe	33
PID 1164 wrote to memory of 872	1164	finalrecovery.exe	33
PID 872 wrote to memory of 1796	872	cmd.exe	35
PID 872 wrote to memory of 1796	872	cmd.exe	35
PID 872 wrote to memory of 1796	872	cmd.exe	35
PID 872 wrote to memory of 1796	872	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\is-8649P.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8649P.tmp\file.tmp" /SL5="$70126,1995173,135168,C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1332
- - C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\xZlFpj.exe
      4⤵
      Executes dropped EXE
      PID:592
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:872
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "finalrecovery.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

finalrecovery.exe

Path C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe
Size 1.5MB
SHA256 f80d64c3949a188a47259b356c8ec1d551c271a84bbfc45e2ea22c6b4a973d4f
MD5 921404d912119136cae7cd7e0c1e53bf
SHA1 43baa458df91b9f2c5dff3d732668e0d870bc155
SHA512 19129003a8362ff49f95b52c3f3963075dad1fd0a701cb35786699a5c9111dc2dd513a5930b64c6ca342dfb4e0fa9a65ecc83c8b054a94f5660214d6f72d245a
SSDEEP 24576:UHd1/5nUlYa9CNkMudfdB67crLqgChqRTMumQsXYi:wDNkBCT7XYi
MD5 SHA1 SHA512 SSDEEP

Submit Download

finalrecovery.exe

Path C:\Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe
Size 1.5MB
SHA256 f80d64c3949a188a47259b356c8ec1d551c271a84bbfc45e2ea22c6b4a973d4f
MD5 921404d912119136cae7cd7e0c1e53bf
SHA1 43baa458df91b9f2c5dff3d732668e0d870bc155
SHA512 19129003a8362ff49f95b52c3f3963075dad1fd0a701cb35786699a5c9111dc2dd513a5930b64c6ca342dfb4e0fa9a65ecc83c8b054a94f5660214d6f72d245a
SSDEEP 24576:UHd1/5nUlYa9CNkMudfdB67crLqgChqRTMumQsXYi:wDNkBCT7XYi
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-8649P.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-8649P.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

xZlFpj.exe

Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\xZlFpj.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

Submit Download

finalrecovery.exe

Path \Program Files (x86)\FgesoftFR\FinalRecovery\finalrecovery.exe
Size 1.5MB
SHA256 f80d64c3949a188a47259b356c8ec1d551c271a84bbfc45e2ea22c6b4a973d4f
MD5 921404d912119136cae7cd7e0c1e53bf
SHA1 43baa458df91b9f2c5dff3d732668e0d870bc155
SHA512 19129003a8362ff49f95b52c3f3963075dad1fd0a701cb35786699a5c9111dc2dd513a5930b64c6ca342dfb4e0fa9a65ecc83c8b054a94f5660214d6f72d245a
SSDEEP 24576:UHd1/5nUlYa9CNkMudfdB67crLqgChqRTMumQsXYi:wDNkBCT7XYi
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-5KE16.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_isdecmp.dll

Path \Users\Admin\AppData\Local\Temp\is-5KE16.tmp\_isetup\_isdecmp.dll
Size 13KB
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
SSDEEP 384:BXvhMwoSitz/bjx7yxnbdn+EHvbsHoOODCg:BZ7FEAbd+EDsIO
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-5KE16.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-5KE16.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path \Users\Admin\AppData\Local\Temp\is-8649P.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

xZlFpj.exe

Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\xZlFpj.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1164-78-0x0000000010000000-0x000000001001B000-memory.dmp

Download

memory/1164-82-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1164-73-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1164-74-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1164-86-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1164-83-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1164-72-0x0000000000400000-0x0000000001389000-memory.dmp

Download

memory/1280-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Download

memory/1280-70-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1280-87-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1280-55-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/1332-81-0x0000000002E10000-0x0000000003D99000-memory.dmp

Download

memory/1332-71-0x0000000002E10000-0x0000000003D99000-memory.dmp

Download