gcleaner | 9eac4a7650a73f6ef7ec4fdcb80105aabf0558d4e562dc1ce9a5ca2cc16cce05

Analysis

max time kernel
91s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2023, 08:55

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General

Target

ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe
Size

2.2MB
MD5

8e85c270fdaab8f69b13fdda7bb2b01d
SHA1

0b2bc9aca2d978ab4d1ba9358775a3440de22c3e
SHA256

ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2
SHA512

32547eb1f6dec17cd8fe8700e7d8936606c2d673b565a5c885c0a8fe9cf3e60b8e0bb58c1d76fa0ed90e91da7a21941e22286e55f475e86c90599ce0ee9a353b
SSDEEP

49152:okug+V/Z4EdxfyutE1sLeppzt6ZFD7W7Tv2GDVOLCgv2MR:hug+tW2xfyvZfsx7WPvJDVuv2MR

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
2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
2112	finalrecovery.exe
856	S6tSxmX31k.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	finalrecovery.exe

Loads dropped DLL 3 IoCs

pid	Process
2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.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)\FgdsoftFR\FinalRecovery\is-HR79O.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File opened for modification	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\finalrecovery.exe	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\unins000.dat	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\is-A32F7.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\is-6AQFO.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File opened for modification	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\unins000.dat	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\is-2SMVT.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\is-LDRJT.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
File created	C:\Program Files (x86)\FgdsoftFR\FinalRecovery\data\is-K19I8.tmp	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.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
4388	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2112	finalrecovery.exe
2112	finalrecovery.exe
2112	finalrecovery.exe
2112	finalrecovery.exe
2112	finalrecovery.exe
2112	finalrecovery.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2252	2564	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe	79
PID 2564 wrote to memory of 2252	2564	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe	79
PID 2564 wrote to memory of 2252	2564	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe	79
PID 2252 wrote to memory of 2112	2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp	80
PID 2252 wrote to memory of 2112	2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp	80
PID 2252 wrote to memory of 2112	2252	ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp	80
PID 2112 wrote to memory of 856	2112	finalrecovery.exe	81
PID 2112 wrote to memory of 856	2112	finalrecovery.exe	81
PID 2112 wrote to memory of 856	2112	finalrecovery.exe	81
PID 2112 wrote to memory of 3568	2112	finalrecovery.exe	83
PID 2112 wrote to memory of 3568	2112	finalrecovery.exe	83
PID 2112 wrote to memory of 3568	2112	finalrecovery.exe	83
PID 3568 wrote to memory of 4388	3568	cmd.exe	85
PID 3568 wrote to memory of 4388	3568	cmd.exe	85
PID 3568 wrote to memory of 4388	3568	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe
"C:\Users\Admin\AppData\Local\Temp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Users\Admin\AppData\Local\Temp\is-7VQOV.tmp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7VQOV.tmp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp" /SL5="$D0066,2091009,135168,C:\Users\Admin\AppData\Local\Temp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Program Files (x86)\FgdsoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\FgdsoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2112
  - - C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\S6tSxmX31k.exe
      4⤵
      Executes dropped EXE
      PID:856
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FgdsoftFR\FinalRecovery\finalrecovery.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3568
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "finalrecovery.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4388

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)\FgdsoftFR\FinalRecovery\finalrecovery.exe

Filesize
1.8MB

MD5
cae401f26c1e49a8d6d8ee81210e474c

SHA1
9d5c50d97d37579e54b555f136762bc7e705b24d

SHA256
cebf610d4e2fce4572672cdbd1f476342fd99d0975fab4829af442c1813b8905

SHA512
dcadad1ff6d065ce500c2ba8cfe129666aa59c4fb51eedddf3d3676c2e0ceb830a4f63f603725d367ccbc9429cc265fda49895c8092d2d7e3f7ffee92c7d669f

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

Filesize
1.8MB

MD5
cae401f26c1e49a8d6d8ee81210e474c

SHA1
9d5c50d97d37579e54b555f136762bc7e705b24d

SHA256
cebf610d4e2fce4572672cdbd1f476342fd99d0975fab4829af442c1813b8905

SHA512
dcadad1ff6d065ce500c2ba8cfe129666aa59c4fb51eedddf3d3676c2e0ceb830a4f63f603725d367ccbc9429cc265fda49895c8092d2d7e3f7ffee92c7d669f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7VQOV.tmp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7VQOV.tmp\ca60403411e64f71104b29cd9fae8deccd0652c78e6747dc452f2c9b1cdb8fa2.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UPVEO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UPVEO.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UPVEO.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\S6tSxmX31k.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\S6tSxmX31k.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/2112-151-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/2112-155-0x0000000000400000-0x00000000013D5000-memory.dmp

Filesize
15.8MB

Download
memory/2112-145-0x0000000000400000-0x00000000013D5000-memory.dmp

Filesize
15.8MB

Download
memory/2112-146-0x0000000000400000-0x00000000013D5000-memory.dmp

Filesize
15.8MB

Download
memory/2112-147-0x0000000000400000-0x00000000013D5000-memory.dmp

Filesize
15.8MB

Download
memory/2112-158-0x0000000000400000-0x00000000013D5000-memory.dmp

Filesize
15.8MB

Download
memory/2252-140-0x0000000003201000-0x0000000003203000-memory.dmp

Filesize
8KB

Download
memory/2564-134-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2564-132-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2564-154-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2564-159-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download