gcleaner | ace119e70679b965df9fa7516294d3adbb6d137a1de65756465bfdf1eeff7581

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2023, 16:07

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General

Target
file.exe
Size 1.7MB
Sample230116-tkmsxade4z
SHA256 ace119e70679b965df9fa7516294d3adbb6d137a1de65756465bfdf1eeff7581
MD5 cd4d2c99370b9f74507003c48b9721d7
SHA1 743f37ddd0c9640380d98eecd9df42bf852f51bb
SHA512 9b54574697d8d268263010d00a6fbaa7fc1f5f23e93f5d45056eb7ddaf9ad3333e3274a1f28b654399ec8f819bb5b49f8d1993370b26313328a4532bafc62801
SSDEEP 24576:m3Nz16krAzshppp64xvlrpYcXMrnC4+MLo8T7pm7rsNhjfxCzVuukSKR4YYKUHRw:mt16krA264xvlBiC74L7TUzjmmaU1GTj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

45.139.105.171
85.31.46.167
107.182.129.235
171.22.30.106

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
544	file.tmp
1360	finalrecovery.exe
2848	ZcJaBYWZ0.exe

Loads dropped DLL 1 IoCs

pid	Process
544	file.tmp

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)\MeetsoftFR\FinalRecovery\unins000.dat	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-ICJJD.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-97VUP.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-E1H71.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\unins000.dat	file.tmp
File opened for modification	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-Q69O0.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-0C4IP.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\data\is-OSPDL.tmp	file.tmp

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1360	finalrecovery.exe
1360	finalrecovery.exe
1360	finalrecovery.exe
1360	finalrecovery.exe
1360	finalrecovery.exe
1360	finalrecovery.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1360	finalrecovery.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 544	4664	file.exe	81
PID 4664 wrote to memory of 544	4664	file.exe	81
PID 4664 wrote to memory of 544	4664	file.exe	81
PID 544 wrote to memory of 1360	544	file.tmp	82
PID 544 wrote to memory of 1360	544	file.tmp	82
PID 544 wrote to memory of 1360	544	file.tmp	82
PID 1360 wrote to memory of 2848	1360	finalrecovery.exe	83
PID 1360 wrote to memory of 2848	1360	finalrecovery.exe	83
PID 1360 wrote to memory of 2848	1360	finalrecovery.exe	83

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Users\Admin\AppData\Local\Temp\is-CPCA6.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CPCA6.tmp\file.tmp" /SL5="$801C4,1575301,54272,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:544
- - C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:1360
  - - C:\Users\Admin\AppData\Roaming\{cd0d74c0-1ab4-11ed-b686-806e6f6e6963}\ZcJaBYWZ0.exe
      4⤵
      Executes dropped EXE
      PID:2848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

finalrecovery.exe

Path C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
Size 1.9MB
SHA256 ddb0fec337b517f4f68af209455eb1aa86a6da4e60f889abb58a4732efb75ef9
MD5 bddb12912ce364874284aaf7eb791e39
SHA1 528e968a96c98558bad66b76eefd3ec698abd36c
SHA512 4ea3a2b2bf1b7206adff0c0fc0798915e3c12d17ab564ec932da569fd24e9b1a38d2b69b9169cc67d0ae0995c674fb03fc99972500d50ed2f96d1c5666f30c6f
SSDEEP 24576:jC3jVgyI+gFC5iHi8d8kJt6EK2td45vVtV+dNUNU6kdSKeHbtBnVRz:OhWfCmTh45TVzkdor
MD5 SHA1 SHA512 SSDEEP

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finalrecovery.exe

Path C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
Size 1.9MB
SHA256 ddb0fec337b517f4f68af209455eb1aa86a6da4e60f889abb58a4732efb75ef9
MD5 bddb12912ce364874284aaf7eb791e39
SHA1 528e968a96c98558bad66b76eefd3ec698abd36c
SHA512 4ea3a2b2bf1b7206adff0c0fc0798915e3c12d17ab564ec932da569fd24e9b1a38d2b69b9169cc67d0ae0995c674fb03fc99972500d50ed2f96d1c5666f30c6f
SSDEEP 24576:jC3jVgyI+gFC5iHi8d8kJt6EK2td45vVtV+dNUNU6kdSKeHbtBnVRz:OhWfCmTh45TVzkdor
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-CPCA6.tmp\file.tmp
Size 696KB
SHA256 b1aa9fab8bd7c68246c60587cda7709166be3c1af95e17eeda73722ad08c0e8d
MD5 e3dcae5ee7ee62e603d2a37128861468
SHA1 c68f71703f544ec31d1670c09a597c06c827fb46
SHA512 f21cd0348762fd711c8de4cf56c98f7d9517856ed1f4f00f9ce62740bd26ee64943f5752132b459476dfa05a777fa2f5f5a5bd4dbfff0456a13b059642fe4d1c
SSDEEP 12288:WQtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kaA:ZtCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-CPCA6.tmp\file.tmp
Size 696KB
SHA256 b1aa9fab8bd7c68246c60587cda7709166be3c1af95e17eeda73722ad08c0e8d
MD5 e3dcae5ee7ee62e603d2a37128861468
SHA1 c68f71703f544ec31d1670c09a597c06c827fb46
SHA512 f21cd0348762fd711c8de4cf56c98f7d9517856ed1f4f00f9ce62740bd26ee64943f5752132b459476dfa05a777fa2f5f5a5bd4dbfff0456a13b059642fe4d1c
SSDEEP 12288:WQtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kaA:ZtCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-L94SC.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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ZcJaBYWZ0.exe

Path C:\Users\Admin\AppData\Roaming\{cd0d74c0-1ab4-11ed-b686-806e6f6e6963}\ZcJaBYWZ0.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

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ZcJaBYWZ0.exe

Path C:\Users\Admin\AppData\Roaming\{cd0d74c0-1ab4-11ed-b686-806e6f6e6963}\ZcJaBYWZ0.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

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memory/1360-142-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/1360-143-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/1360-147-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/4664-132-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4664-138-0x0000000000400000-0x0000000000414000-memory.dmp

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