gcleaner | 545a511fb2e1e0be847629e5a0bad888b038bb57ce9d0d1681be700b60145c9d

Analysis

max time kernel
143s
max time network
149s
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, 12:01

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General

Target
file.exe
Size 1.7MB
Sample230116-n6weaaae2t
SHA256 545a511fb2e1e0be847629e5a0bad888b038bb57ce9d0d1681be700b60145c9d
MD5 02d5065582c6ea0aba0c4a69eda6adf0
SHA1 97a81e3969bb45fb154dbd9dae2a312cb7fe8a80
SHA512 5669a21b60ad71ea4af96f8fcb2d1e642e589022b8b9a9decd3d5022d394cb382dbe529590bf22a3cad76b75a38ae01902aba47c4932788003c67d5db98a59d6
SSDEEP 49152:mobLfgVXG07mcUBGs0Uktqz9zRRIIFuO29Gfd7FLq1GTj:hLfgBGmm/l0U95fFuOjLq1GTj
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
1252	file.tmp
4144	finalrecovery.exe
4192	QDAIAQg.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 1 IoCs

pid	Process
1252	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\is-UA4OP.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-HG234.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\data\is-UCPRH.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\unins000.dat	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-LELGS.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-4A45H.tmp	file.tmp
File created	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\is-HFRQ3.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\MeetsoftFR\FinalRecovery\unins000.dat	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
3416	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4144	finalrecovery.exe
4144	finalrecovery.exe
4144	finalrecovery.exe
4144	finalrecovery.exe
4144	finalrecovery.exe
4144	finalrecovery.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4144	finalrecovery.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1252	4828	file.exe	81
PID 4828 wrote to memory of 1252	4828	file.exe	81
PID 4828 wrote to memory of 1252	4828	file.exe	81
PID 1252 wrote to memory of 4144	1252	file.tmp	82
PID 1252 wrote to memory of 4144	1252	file.tmp	82
PID 1252 wrote to memory of 4144	1252	file.tmp	82
PID 4144 wrote to memory of 4192	4144	finalrecovery.exe	83
PID 4144 wrote to memory of 4192	4144	finalrecovery.exe	83
PID 4144 wrote to memory of 4192	4144	finalrecovery.exe	83
PID 4144 wrote to memory of 1344	4144	finalrecovery.exe	91
PID 4144 wrote to memory of 1344	4144	finalrecovery.exe	91
PID 4144 wrote to memory of 1344	4144	finalrecovery.exe	91
PID 1344 wrote to memory of 3416	1344	cmd.exe	93
PID 1344 wrote to memory of 3416	1344	cmd.exe	93
PID 1344 wrote to memory of 3416	1344	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\is-C5NV8.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C5NV8.tmp\file.tmp" /SL5="$1001D4,1568876,54272,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:1252
- - C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
    "C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:4144
  - - C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\QDAIAQg.exe
      4⤵
      Executes dropped EXE
      PID:4192
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1344
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "finalrecovery.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3416

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

finalrecovery.exe

Path C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
Size 1.9MB
SHA256 6fccdbdf9720569ba073be62bad8a7a01f46a7824a83aa2e67b97c2c50c20c67
MD5 d717f48b69cbd790bb173ca84dff0c8d
SHA1 56a3cc78200b65ef142bf5ac58a91b1f35740bba
SHA512 44c15f295e4d0e7d7974ee5054d05bf4e8179f7dd9a87b6c10f4884c20ae2f58c8ca7d0cd7c4dac2085216b818b61d217814eb5ab0848402ee680065edf50463
SSDEEP 24576:vKa1TsqMqWHy/xrMi8d8kJt6EK2td45YgluANCmppxXo1bOksr:dtLF5mTh45YpALr
MD5 SHA1 SHA512 SSDEEP

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finalrecovery.exe

Path C:\Program Files (x86)\MeetsoftFR\FinalRecovery\finalrecovery.exe
Size 1.9MB
SHA256 6fccdbdf9720569ba073be62bad8a7a01f46a7824a83aa2e67b97c2c50c20c67
MD5 d717f48b69cbd790bb173ca84dff0c8d
SHA1 56a3cc78200b65ef142bf5ac58a91b1f35740bba
SHA512 44c15f295e4d0e7d7974ee5054d05bf4e8179f7dd9a87b6c10f4884c20ae2f58c8ca7d0cd7c4dac2085216b818b61d217814eb5ab0848402ee680065edf50463
SSDEEP 24576:vKa1TsqMqWHy/xrMi8d8kJt6EK2td45YgluANCmppxXo1bOksr:dtLF5mTh45YpALr
MD5 SHA1 SHA512 SSDEEP

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_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-4JCDD.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-C5NV8.tmp\file.tmp
Size 696KB
SHA256 b1aa9fab8bd7c68246c60587cda7709166be3c1af95e17eeda73722ad08c0e8d
MD5 e3dcae5ee7ee62e603d2a37128861468
SHA1 c68f71703f544ec31d1670c09a597c06c827fb46
SHA512 f21cd0348762fd711c8de4cf56c98f7d9517856ed1f4f00f9ce62740bd26ee64943f5752132b459476dfa05a777fa2f5f5a5bd4dbfff0456a13b059642fe4d1c
SSDEEP 12288:WQtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kaA:ZtCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

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file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-C5NV8.tmp\file.tmp
Size 696KB
SHA256 b1aa9fab8bd7c68246c60587cda7709166be3c1af95e17eeda73722ad08c0e8d
MD5 e3dcae5ee7ee62e603d2a37128861468
SHA1 c68f71703f544ec31d1670c09a597c06c827fb46
SHA512 f21cd0348762fd711c8de4cf56c98f7d9517856ed1f4f00f9ce62740bd26ee64943f5752132b459476dfa05a777fa2f5f5a5bd4dbfff0456a13b059642fe4d1c
SSDEEP 12288:WQtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kaA:ZtCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

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QDAIAQg.exe

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

Path C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\QDAIAQg.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/4144-148-0x0000000010000000-0x000000001001B000-memory.dmp

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memory/4144-143-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/4144-142-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/4144-147-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/4144-154-0x0000000000400000-0x00000000013E6000-memory.dmp

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memory/4828-132-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4828-139-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4828-155-0x0000000000400000-0x0000000000414000-memory.dmp

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