gcleaner | 00dbb327a69be43a986ab79ff48204f3efa242e40b3767cfa0b709c2a0724d7e

Analysis

max time kernel
90s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2023, 23:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
file.exe
Size 2.1MB
Sample230130-21nn5sdb56
SHA256 00dbb327a69be43a986ab79ff48204f3efa242e40b3767cfa0b709c2a0724d7e
MD5 21d03648fd5f352e221abaaa88ddf383
SHA1 3bac6463820b50b8cbc00c994a76eede94b874ae
SHA512 a6f22a7ac4f458f07b25dfec4adf459c71bc6e2de4a7470e26839ebc6217195df6a392696fa4442112e8d56b286082ab77c4ffb0022117db97fa48cc1d08ae07
SSDEEP 49152:2c1dzN+GpJwDbEa5Keo72rU5El/Z7at2dk5zlHLCgv2MR:D1r+WJwMa5KIgsat2qplTv2MR
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
1036	file.tmp
3880	finalrecovery.exe
3496	Npjsl.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
1036	file.tmp
1036	file.tmp
1036	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 opened for modification	C:\Program Files (x86)\FhesoftFR\FinalRecovery\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\is-H1721.tmp	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\is-IS058.tmp	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\data\is-SHDJE.tmp	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\is-NFM0B.tmp	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\is-ESNP4.tmp	file.tmp
File created	C:\Program Files (x86)\FhesoftFR\FinalRecovery\is-3URR8.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\FhesoftFR\FinalRecovery\finalrecovery.exe	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
3676	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3880	finalrecovery.exe
3880	finalrecovery.exe
3880	finalrecovery.exe
3880	finalrecovery.exe
3880	finalrecovery.exe
3880	finalrecovery.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 1036	4020	file.exe	80
PID 4020 wrote to memory of 1036	4020	file.exe	80
PID 4020 wrote to memory of 1036	4020	file.exe	80
PID 1036 wrote to memory of 3880	1036	file.tmp	81
PID 1036 wrote to memory of 3880	1036	file.tmp	81
PID 1036 wrote to memory of 3880	1036	file.tmp	81
PID 3880 wrote to memory of 3496	3880	finalrecovery.exe	82
PID 3880 wrote to memory of 3496	3880	finalrecovery.exe	82
PID 3880 wrote to memory of 3496	3880	finalrecovery.exe	82
PID 3880 wrote to memory of 4196	3880	finalrecovery.exe	90
PID 3880 wrote to memory of 4196	3880	finalrecovery.exe	90
PID 3880 wrote to memory of 4196	3880	finalrecovery.exe	90
PID 4196 wrote to memory of 3676	4196	cmd.exe	92
PID 4196 wrote to memory of 3676	4196	cmd.exe	92
PID 4196 wrote to memory of 3676	4196	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\is-H41EC.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-H41EC.tmp\file.tmp" /SL5="$90064,1949044,68096,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:1036
- - C:\Program Files (x86)\FhesoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\FhesoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3880
  - - C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\Npjsl.exe
      4⤵
      Executes dropped EXE
      PID:3496
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FhesoftFR\FinalRecovery\finalrecovery.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4196
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "finalrecovery.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3676

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)\FhesoftFR\FinalRecovery\finalrecovery.exe
Size 1.5MB
SHA256 88c64f1e31e3b9a1192f3cd48489ec11d4ec812854d101e5ddbde345d5304528
MD5 5e04dc9e6080bd52e0a1c6b3f155fc20
SHA1 db3d019a3adc529ee94cebec406cedb58aa48188
SHA512 043600e0c98cb0697707052b733584e431176f19dac4b589fd001539b75705f2a9a7d093ab0f487fb46e82b4703941704eea208c0018a0a4808873f9614af9f6
SSDEEP 24576:kSFOrSDSt4bGSzSKSgSDS1h4SFk9GwH2e4RoNzwsW8UA4E9F01SQwUd:dFO+WKGKIW13O60yc+1xwK
MD5 SHA1 SHA512 SSDEEP

Submit Download

finalrecovery.exe

Path C:\Program Files (x86)\FhesoftFR\FinalRecovery\finalrecovery.exe
Size 1.5MB
SHA256 88c64f1e31e3b9a1192f3cd48489ec11d4ec812854d101e5ddbde345d5304528
MD5 5e04dc9e6080bd52e0a1c6b3f155fc20
SHA1 db3d019a3adc529ee94cebec406cedb58aa48188
SHA512 043600e0c98cb0697707052b733584e431176f19dac4b589fd001539b75705f2a9a7d093ab0f487fb46e82b4703941704eea208c0018a0a4808873f9614af9f6
SSDEEP 24576:kSFOrSDSt4bGSzSKSgSDS1h4SFk9GwH2e4RoNzwsW8UA4E9F01SQwUd:dFO+WKGKIW13O60yc+1xwK
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-H41EC.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-H41EC.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-QJU8Q.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_isdecmp.dll

Path C:\Users\Admin\AppData\Local\Temp\is-QJU8Q.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

_isdecmp.dll

Path C:\Users\Admin\AppData\Local\Temp\is-QJU8Q.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

Npjsl.exe

Path C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\Npjsl.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

Submit Download

Npjsl.exe

Path C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\Npjsl.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/1036-140-0x0000000003201000-0x0000000003203000-memory.dmp

Download

memory/3880-146-0x0000000000400000-0x0000000001387000-memory.dmp

Download

memory/3880-147-0x0000000000400000-0x0000000001387000-memory.dmp

Download

memory/3880-145-0x0000000000400000-0x0000000001387000-memory.dmp

Download

memory/3880-151-0x0000000010000000-0x000000001001B000-memory.dmp

Download

memory/3880-155-0x0000000000400000-0x0000000001387000-memory.dmp

Download

memory/3880-158-0x0000000000400000-0x0000000001387000-memory.dmp

Download

memory/4020-132-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/4020-154-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/4020-134-0x0000000000400000-0x0000000000418000-memory.dmp

Download

memory/4020-159-0x0000000000400000-0x0000000000418000-memory.dmp

Download