gcleaner | cd101ed66514a0cf42081119e73403fdb0f47baf944f33227d018dac0fc1ba12

Analysis

max time kernel
154s
max time network
167s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11-03-2023 15:47

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General

Target

9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe
Size

2.7MB
MD5

089b7c3fdf1390bc643edc51273aa7f4
SHA1

ce4a3abe32c1667115606668f6c8a7ae10b7dd24
SHA256

9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3
SHA512

6d95ad8234040296a6f48166ace914a9eca1e099a0a817221e62b253b69bdd12ff5a573fc2719692b208b8270e5d3b58791e41553b85d65256623c779ee8e285
SSDEEP

49152:AG7Ncx+ltZ0N+WzY8e/ocP2e87MrPHmmWq61fe9ZNU+Xvn/UmOKz:d7Ncx+n0+Wwd2eRbDgJeZUu/zOKz

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-2A6SH.tmpFRec31.exexbQNS.exe

pid process

1244 is-2A6SH.tmp
996 FRec31.exe
988 xbQNS.exe

pid	process
1244	is-2A6SH.tmp
996	FRec31.exe
988	xbQNS.exe

Loads dropped DLL 7 IoCs

Processes:

9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exeis-2A6SH.tmpFRec31.exe

pid	process
1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe
1244	is-2A6SH.tmp
1244	is-2A6SH.tmp
1244	is-2A6SH.tmp
1244	is-2A6SH.tmp
1244	is-2A6SH.tmp
996	FRec31.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-2A6SH.tmp

description	ioc	process
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\unins000.dat	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\is-OTD9H.tmp	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\is-7KHUJ.tmp	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\is-CTBC4.tmp	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\is-RUT53.tmp	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\data\is-AFRC7.tmp	is-2A6SH.tmp
File created	C:\Program Files (x86)\FIIsoftFR\FRec31\is-2IJPV.tmp	is-2A6SH.tmp
File opened for modification	C:\Program Files (x86)\FIIsoftFR\FRec31\unins000.dat	is-2A6SH.tmp
File opened for modification	C:\Program Files (x86)\FIIsoftFR\FRec31\FRec31.exe	is-2A6SH.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FRec31.exe

pid process

996 FRec31.exe
996 FRec31.exe
996 FRec31.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

FRec31.exe

pid process

996 FRec31.exe

pid	process
996	FRec31.exe
996	FRec31.exe
996	FRec31.exe

pid	process
996	FRec31.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exeis-2A6SH.tmpFRec31.exe

description	pid	process	target process
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1580 wrote to memory of 1244	1580	9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe	is-2A6SH.tmp
PID 1244 wrote to memory of 996	1244	is-2A6SH.tmp	FRec31.exe
PID 1244 wrote to memory of 996	1244	is-2A6SH.tmp	FRec31.exe
PID 1244 wrote to memory of 996	1244	is-2A6SH.tmp	FRec31.exe
PID 1244 wrote to memory of 996	1244	is-2A6SH.tmp	FRec31.exe
PID 996 wrote to memory of 988	996	FRec31.exe	xbQNS.exe
PID 996 wrote to memory of 988	996	FRec31.exe	xbQNS.exe
PID 996 wrote to memory of 988	996	FRec31.exe	xbQNS.exe
PID 996 wrote to memory of 988	996	FRec31.exe	xbQNS.exe

C:\Users\Admin\AppData\Local\Temp\9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe
"C:\Users\Admin\AppData\Local\Temp\9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\is-P60FD.tmp\is-2A6SH.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-P60FD.tmp\is-2A6SH.tmp" /SL4 $70124 "C:\Users\Admin\AppData\Local\Temp\9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3.exe" 2576922 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Program Files (x86)\FIIsoftFR\FRec31\FRec31.exe
    "C:\Program Files (x86)\FIIsoftFR\FRec31\FRec31.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:996
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\xbQNS.exe
      4⤵
      Executes dropped EXE
      PID:988

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)\FIIsoftFR\FRec31\FRec31.exe

Filesize
2.8MB

MD5
280fa66f93f647237a9eb14e97b9b6a6

SHA1
d8ceffc996e1fad84466c0b6fd7612e91481a5fd

SHA256
bedc034e374e245974b7c7342bee74eed741993f3efef7d50aa88f8963b357c6

SHA512
77d4c693f2d351eba24bffd39227674abcc7ae26a742de532b34f0502087b185680a2e87e08ade1d9a30efc766acd9e1321d03be0825548238188c4ab57baf58

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-P60FD.tmp\is-2A6SH.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-P60FD.tmp\is-2A6SH.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

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

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Program Files (x86)\FIIsoftFR\FRec31\FRec31.exe

Filesize
2.8MB

MD5
280fa66f93f647237a9eb14e97b9b6a6

SHA1
d8ceffc996e1fad84466c0b6fd7612e91481a5fd

SHA256
bedc034e374e245974b7c7342bee74eed741993f3efef7d50aa88f8963b357c6

SHA512
77d4c693f2d351eba24bffd39227674abcc7ae26a742de532b34f0502087b185680a2e87e08ade1d9a30efc766acd9e1321d03be0825548238188c4ab57baf58

Download Submit
\Users\Admin\AppData\Local\Temp\is-7JEJA.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-7JEJA.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-7JEJA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-7JEJA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-P60FD.tmp\is-2A6SH.tmp

Filesize
658KB

MD5
71c654797ffa6853389354687dde286b

SHA1
edd7178ab9043acc4a05dddb9dad972ede2f7748

SHA256
97d7825ef37d313e47642ba48ad2a4421fb4b63dfcb2cf09029906939e527f04

SHA512
d05bbc1d7fccbc39a214f1a4ccebbd52963a5189d1a5dbabf8894fb085cb00e681d15d6c9aa8e2f7d90bafa9c7d45a07a9b5c2434ca6aafd0ac8944b46b90e7a

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

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/996-95-0x0000000000400000-0x00000000014CE000-memory.dmp

Filesize
16.8MB

Download
memory/996-97-0x0000000000400000-0x00000000014CE000-memory.dmp

Filesize
16.8MB

Download
memory/996-104-0x0000000000400000-0x00000000014CE000-memory.dmp

Filesize
16.8MB

Download
memory/996-112-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/996-115-0x0000000000400000-0x00000000014CE000-memory.dmp

Filesize
16.8MB

Download
memory/1244-94-0x0000000003100000-0x00000000041CE000-memory.dmp

Filesize
16.8MB

Download
memory/1244-93-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1244-103-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1244-109-0x0000000003100000-0x00000000041CE000-memory.dmp

Filesize
16.8MB

Download
memory/1580-96-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1580-54-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download