gcleaner | 06dbc96a0f21cbabece5c5fccd304a407dbb01ec30ba47fdd6d42dd66c51d983

Analysis

max time kernel
69s
max time network
73s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/01/2023, 19:33

Sharing

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General

Target

faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe
Size

1.9MB
MD5

c31a80c77cf2dd3bfc63feb9d0d6dcf0
SHA1

44f3e557a67d74d1f38c23d299f788fa4c7f65bd
SHA256

faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898
SHA512

b39001ef343012bcd437a4284c51aec8171badcb6d3146d95ef6335d9e330a019ae3d15495eedd2b5ce57e731c6f42d54395ef1ae0c85ebe9baf20b3a4f67541
SSDEEP

49152:okug+qI2wEymygnaCim4HmHv4iGAz7LCgv2MR:hug+v2wEbqm4EvHVv2MR

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
1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
1500	finalrecovery.exe
1188	ZETOZuA.exe

Loads dropped DLL 6 IoCs

pid	Process
1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe
1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
1500	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)\FgcsoftFR\FinalRecovery\unins000.dat	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\is-5906J.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\is-7GQ48.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\is-OHI1C.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\is-PVJCB.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File opened for modification	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\unins000.dat	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File opened for modification	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\is-DEG9L.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
File created	C:\Program Files (x86)\FgcsoftFR\FinalRecovery\data\is-LQJ1C.tmp	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.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
892	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1500	finalrecovery.exe
1500	finalrecovery.exe
1500	finalrecovery.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	892	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1516 wrote to memory of 1520	1516	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe	27
PID 1520 wrote to memory of 1500	1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp	28
PID 1520 wrote to memory of 1500	1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp	28
PID 1520 wrote to memory of 1500	1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp	28
PID 1520 wrote to memory of 1500	1520	faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp	28
PID 1500 wrote to memory of 1188	1500	finalrecovery.exe	29
PID 1500 wrote to memory of 1188	1500	finalrecovery.exe	29
PID 1500 wrote to memory of 1188	1500	finalrecovery.exe	29
PID 1500 wrote to memory of 1188	1500	finalrecovery.exe	29
PID 1500 wrote to memory of 660	1500	finalrecovery.exe	32
PID 1500 wrote to memory of 660	1500	finalrecovery.exe	32
PID 1500 wrote to memory of 660	1500	finalrecovery.exe	32
PID 1500 wrote to memory of 660	1500	finalrecovery.exe	32
PID 660 wrote to memory of 892	660	cmd.exe	34
PID 660 wrote to memory of 892	660	cmd.exe	34
PID 660 wrote to memory of 892	660	cmd.exe	34
PID 660 wrote to memory of 892	660	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe
"C:\Users\Admin\AppData\Local\Temp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\is-7MON7.tmp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7MON7.tmp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp" /SL5="$70022,1732324,135168,C:\Users\Admin\AppData\Local\Temp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\ZETOZuA.exe
      4⤵
      Executes dropped EXE
      PID:1188
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:660
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "finalrecovery.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:892

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

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Downloads

C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe

Filesize
1.5MB

MD5
8f694929f67c8987a9702b0fda1ec7a8

SHA1
893f142998f5c5dd79cc7480b0c91dccb6c530b2

SHA256
14034c8d72e6b39e6019b6a172e13e76932abd995b71d59146d5a4a727b8cd7e

SHA512
bd7e229d01873a66d4ae55efc9d6809989bd75dfa8cb0dd7a7e4e636fca5c3546d61d99331a8ddccd29d514a986a1ee6b46ca66671edf29905a1826cce7adbb4

Download Submit
C:\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe

Filesize
1.5MB

MD5
8f694929f67c8987a9702b0fda1ec7a8

SHA1
893f142998f5c5dd79cc7480b0c91dccb6c530b2

SHA256
14034c8d72e6b39e6019b6a172e13e76932abd995b71d59146d5a4a727b8cd7e

SHA512
bd7e229d01873a66d4ae55efc9d6809989bd75dfa8cb0dd7a7e4e636fca5c3546d61d99331a8ddccd29d514a986a1ee6b46ca66671edf29905a1826cce7adbb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7MON7.tmp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7MON7.tmp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\ZETOZuA.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Program Files (x86)\FgcsoftFR\FinalRecovery\finalrecovery.exe

Filesize
1.5MB

MD5
8f694929f67c8987a9702b0fda1ec7a8

SHA1
893f142998f5c5dd79cc7480b0c91dccb6c530b2

SHA256
14034c8d72e6b39e6019b6a172e13e76932abd995b71d59146d5a4a727b8cd7e

SHA512
bd7e229d01873a66d4ae55efc9d6809989bd75dfa8cb0dd7a7e4e636fca5c3546d61d99331a8ddccd29d514a986a1ee6b46ca66671edf29905a1826cce7adbb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-7MON7.tmp\faab8d6d2d56c97fed81af0f0ac92710d2ba4b6c49a6020b7d16626a43f81898.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
\Users\Admin\AppData\Local\Temp\is-H02PK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-H02PK.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-H02PK.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\ZETOZuA.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1500-71-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1500-79-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1500-73-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1500-85-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1500-72-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1500-82-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1500-78-0x0000000000400000-0x0000000001374000-memory.dmp

Filesize
15.5MB

Download
memory/1516-64-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1516-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1516-86-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1516-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1520-77-0x00000000035C0000-0x0000000004534000-memory.dmp

Filesize
15.5MB

Download
memory/1520-70-0x00000000035C0000-0x0000000004534000-memory.dmp

Filesize
15.5MB

Download