gcleaner | a5a461718a67ee920a7eefc67476abb63bec6dd144716f625f76a7d8f2231643

Analysis

max time kernel
106s
max time network
107s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 11:25

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General

Target

7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe
Size

2.8MB
MD5

ec0eaf78dc5733854212310479799b13
SHA1

2c57c16fb7e4440d5d82dbc8f028e783979f1288
SHA256

7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180
SHA512

9d42ac4e766baf051353e2f8143ce422c21c12100c591241b5a8d9520b8c4b3a319151a42132cdafd134d9f0ba22f3bdb244e8650d7bc51dc7bd1c73f54485df
SSDEEP

49152:AGy7K4O8m10rfwn9dnmDx6EXY1eFAZdysym/+oPL4N7CT5hiDtOKz:dJ49z8v26EXWeFAZrym/+g40THiZOKz

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

Processes:

is-Q1JV5.tmpFRec39.exeMgvHhVwSwWgW.exe

pid process

828 is-Q1JV5.tmp
1384 FRec39.exe
1116 MgvHhVwSwWgW.exe

pid	process
828	is-Q1JV5.tmp
1384	FRec39.exe
1116	MgvHhVwSwWgW.exe

Loads dropped DLL 7 IoCs

Processes:

7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exeis-Q1JV5.tmpFRec39.exe

pid	process
1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe
828	is-Q1JV5.tmp
828	is-Q1JV5.tmp
828	is-Q1JV5.tmp
828	is-Q1JV5.tmp
828	is-Q1JV5.tmp
1384	FRec39.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

Processes:

is-Q1JV5.tmp

description	ioc	process
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\unins000.dat	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\is-GMRGH.tmp	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\is-QQTAI.tmp	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\is-MI687.tmp	is-Q1JV5.tmp
File opened for modification	C:\Program Files (x86)\FIQsoftFR\FRec39\unins000.dat	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\is-MP1MA.tmp	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\is-JLV3V.tmp	is-Q1JV5.tmp
File created	C:\Program Files (x86)\FIQsoftFR\FRec39\data\is-TL8NQ.tmp	is-Q1JV5.tmp
File opened for modification	C:\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe	is-Q1JV5.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

Processes:

taskkill.exe

pid process

472 taskkill.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FRec39.exe

pid process

1384 FRec39.exe
1384 FRec39.exe
1384 FRec39.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 472 taskkill.exe

pid	process
472	taskkill.exe

pid	process
1384	FRec39.exe
1384	FRec39.exe
1384	FRec39.exe

description	pid	process
Token: SeDebugPrivilege	472	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exeis-Q1JV5.tmpFRec39.execmd.exe

description	pid	process	target process
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 1208 wrote to memory of 828	1208	7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe	is-Q1JV5.tmp
PID 828 wrote to memory of 1384	828	is-Q1JV5.tmp	FRec39.exe
PID 828 wrote to memory of 1384	828	is-Q1JV5.tmp	FRec39.exe
PID 828 wrote to memory of 1384	828	is-Q1JV5.tmp	FRec39.exe
PID 828 wrote to memory of 1384	828	is-Q1JV5.tmp	FRec39.exe
PID 1384 wrote to memory of 1116	1384	FRec39.exe	MgvHhVwSwWgW.exe
PID 1384 wrote to memory of 1116	1384	FRec39.exe	MgvHhVwSwWgW.exe
PID 1384 wrote to memory of 1116	1384	FRec39.exe	MgvHhVwSwWgW.exe
PID 1384 wrote to memory of 1116	1384	FRec39.exe	MgvHhVwSwWgW.exe
PID 1384 wrote to memory of 2028	1384	FRec39.exe	cmd.exe
PID 1384 wrote to memory of 2028	1384	FRec39.exe	cmd.exe
PID 1384 wrote to memory of 2028	1384	FRec39.exe	cmd.exe
PID 1384 wrote to memory of 2028	1384	FRec39.exe	cmd.exe
PID 2028 wrote to memory of 472	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 472	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 472	2028	cmd.exe	taskkill.exe
PID 2028 wrote to memory of 472	2028	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe
"C:\Users\Admin\AppData\Local\Temp\7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\is-2BLMM.tmp\is-Q1JV5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2BLMM.tmp\is-Q1JV5.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\7edabb6a7ee18bcedfc061f42a3b66917ca7c7d8883318537a5c41c442a53180.exe" 2706894 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe
    "C:\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1384
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\MgvHhVwSwWgW.exe
      4⤵
      Executes dropped EXE
      PID:1116
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec39.exe" /f & erase "C:\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2028
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec39.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:472

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)\FIQsoftFR\FRec39\FRec39.exe

Filesize
3.1MB

MD5
e87944d9cc4606cf3db3158104215739

SHA1
73df66bad6890efc72a6fe69146bfeec9dbf9b1c

SHA256
ad7322a5fb4b6db7e16f626ca79476bacfcf60c080f02de8abc49b4c34a7e802

SHA512
ffe87c6f74486c54590f36fe254b7eec83c56fe699fd41cafad1259a03fcc8bbc3db8f7fc34a1fd9a3e8d8a70bf9390aca7dedad64a5c43b541c907026fbd42d

Download Submit
C:\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe

Filesize
3.1MB

MD5
e87944d9cc4606cf3db3158104215739

SHA1
73df66bad6890efc72a6fe69146bfeec9dbf9b1c

SHA256
ad7322a5fb4b6db7e16f626ca79476bacfcf60c080f02de8abc49b4c34a7e802

SHA512
ffe87c6f74486c54590f36fe254b7eec83c56fe699fd41cafad1259a03fcc8bbc3db8f7fc34a1fd9a3e8d8a70bf9390aca7dedad64a5c43b541c907026fbd42d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ACT9UUKV\dll[2].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2BLMM.tmp\is-Q1JV5.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2BLMM.tmp\is-Q1JV5.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

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

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Program Files (x86)\FIQsoftFR\FRec39\FRec39.exe

Filesize
3.1MB

MD5
e87944d9cc4606cf3db3158104215739

SHA1
73df66bad6890efc72a6fe69146bfeec9dbf9b1c

SHA256
ad7322a5fb4b6db7e16f626ca79476bacfcf60c080f02de8abc49b4c34a7e802

SHA512
ffe87c6f74486c54590f36fe254b7eec83c56fe699fd41cafad1259a03fcc8bbc3db8f7fc34a1fd9a3e8d8a70bf9390aca7dedad64a5c43b541c907026fbd42d

Download Submit
\Users\Admin\AppData\Local\Temp\is-2BLMM.tmp\is-Q1JV5.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-MKGRQ.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-MKGRQ.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}\MgvHhVwSwWgW.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/828-94-0x0000000003460000-0x0000000004573000-memory.dmp

Filesize
17.1MB

Download
memory/828-93-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/828-103-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/828-105-0x0000000003460000-0x0000000004573000-memory.dmp

Filesize
17.1MB

Download
memory/828-151-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1208-54-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1208-102-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1208-152-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1384-95-0x0000000000400000-0x0000000001513000-memory.dmp

Filesize
17.1MB

Download
memory/1384-130-0x0000000000400000-0x0000000001513000-memory.dmp

Filesize
17.1MB

Download
memory/1384-150-0x0000000000400000-0x0000000001513000-memory.dmp

Filesize
17.1MB

Download
memory/1384-124-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1384-104-0x0000000000400000-0x0000000001513000-memory.dmp

Filesize
17.1MB

Download
memory/1384-96-0x0000000000400000-0x0000000001513000-memory.dmp

Filesize
17.1MB

Download