gcleaner | ec570f852dd3ba384ca3c3c23a514fb34a78c586ca957dd64300e8e3737e1ef0

General

Target

file.exe
Size

2.1MB
MD5

49d0209dd20f273e8e8a2f80c40c5621
SHA1

7c7f05b3f05a6d05be43ea4535d7ac1f15fd80ee
SHA256

ec570f852dd3ba384ca3c3c23a514fb34a78c586ca957dd64300e8e3737e1ef0
SHA512

63429fb94893ec58e88fcc75d815c20d3a9ba33f1a62db0b91c3404a2e154cedfbc9cda42c32673f78fc7f771cd21169c4f523c0a8c91d93967e5c72e7261ffe
SSDEEP

49152:EGlJfs8TODimEqX8FmF9PjSkzKGIGj0tDR5F8qESbgta+jPLj5dlLYp:5jTGimZ2W9bfKG7j0DD8qu99PYp

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

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

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

Processes:

FRec324.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	FRec324.exe

Executes dropped EXE 3 IoCs

Processes:

is-324M5.tmpFRec324.exe26KAMUGvdByk.exe

pid process

1792 is-324M5.tmp
2608 FRec324.exe
4684 26KAMUGvdByk.exe
Loads dropped DLL 1 IoCs

Processes:

is-324M5.tmp

pid process

1792 is-324M5.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

pid	process
1792	is-324M5.tmp
2608	FRec324.exe
4684	26KAMUGvdByk.exe

pid	process
1792	is-324M5.tmp

Drops file in Program Files directory 9 IoCs

Processes:

is-324M5.tmp

description	ioc	process
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-1V3H6.tmp	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\data\is-M7IK9.tmp	is-324M5.tmp
File opened for modification	C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-72RHU.tmp	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-PIPK3.tmp	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-H5UTR.tmp	is-324M5.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-GQ15C.tmp	is-324M5.tmp
File opened for modification	C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat	is-324M5.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

1212 taskkill.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

FRec324.exe

pid process

2608 FRec324.exe
2608 FRec324.exe
2608 FRec324.exe
2608 FRec324.exe
2608 FRec324.exe
2608 FRec324.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1212 taskkill.exe

pid	process
1212	taskkill.exe

pid	process
2608	FRec324.exe
2608	FRec324.exe
2608	FRec324.exe
2608	FRec324.exe
2608	FRec324.exe
2608	FRec324.exe

description	pid	process
Token: SeDebugPrivilege	1212	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

file.exeis-324M5.tmpFRec324.execmd.exe

description	pid	process	target process
PID 4512 wrote to memory of 1792	4512	file.exe	is-324M5.tmp
PID 4512 wrote to memory of 1792	4512	file.exe	is-324M5.tmp
PID 4512 wrote to memory of 1792	4512	file.exe	is-324M5.tmp
PID 1792 wrote to memory of 2608	1792	is-324M5.tmp	FRec324.exe
PID 1792 wrote to memory of 2608	1792	is-324M5.tmp	FRec324.exe
PID 1792 wrote to memory of 2608	1792	is-324M5.tmp	FRec324.exe
PID 2608 wrote to memory of 4684	2608	FRec324.exe	26KAMUGvdByk.exe
PID 2608 wrote to memory of 4684	2608	FRec324.exe	26KAMUGvdByk.exe
PID 2608 wrote to memory of 4684	2608	FRec324.exe	26KAMUGvdByk.exe
PID 2608 wrote to memory of 668	2608	FRec324.exe	cmd.exe
PID 2608 wrote to memory of 668	2608	FRec324.exe	cmd.exe
PID 2608 wrote to memory of 668	2608	FRec324.exe	cmd.exe
PID 668 wrote to memory of 1212	668	cmd.exe	taskkill.exe
PID 668 wrote to memory of 1212	668	cmd.exe	taskkill.exe
PID 668 wrote to memory of 1212	668	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Users\Admin\AppData\Local\Temp\is-H5O15.tmp\is-324M5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-H5O15.tmp\is-324M5.tmp" /SL4 $80050 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1954101 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1792
- - C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe
    "C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - C:\Users\Admin\AppData\Roaming\{1877acc0-b1d5-11ed-8218-806e6f6e6963}\26KAMUGvdByk.exe
      4⤵
      Executes dropped EXE
      PID:4684
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec324.exe" /f & erase "C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:668
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec324.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe

Filesize
2.4MB

MD5
a3dfc06c4bd9bcc65dce58db1b63e78e

SHA1
20a308e5801d2443d176255a1ed413e6c6640871

SHA256
de4611018388c929bf2ab7f4eef4bd4c2f574f4282badee5c86fc276881dc11a

SHA512
8c55783f6a86b2861ee4ac696338286cb155259f9c95f74af2c7f7b8036095b550b8d19d5965245872b39b0545e405da07bec691d2f7a355384cbbf8ee9bf328

Download Submit
C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe

Filesize
2.4MB

MD5
a3dfc06c4bd9bcc65dce58db1b63e78e

SHA1
20a308e5801d2443d176255a1ed413e6c6640871

SHA256
de4611018388c929bf2ab7f4eef4bd4c2f574f4282badee5c86fc276881dc11a

SHA512
8c55783f6a86b2861ee4ac696338286cb155259f9c95f74af2c7f7b8036095b550b8d19d5965245872b39b0545e405da07bec691d2f7a355384cbbf8ee9bf328

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RPW4GWWI\dll[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9NKNB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H5O15.tmp\is-324M5.tmp

Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H5O15.tmp\is-324M5.tmp

Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Roaming\{1877acc0-b1d5-11ed-8218-806e6f6e6963}\26KAMUGvdByk.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{1877acc0-b1d5-11ed-8218-806e6f6e6963}\26KAMUGvdByk.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1792-156-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1792-180-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1792-198-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2608-166-0x0000000000400000-0x000000000146F000-memory.dmp

Filesize
16.4MB

Download
memory/2608-174-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/2608-181-0x0000000000400000-0x000000000146F000-memory.dmp

Filesize
16.4MB

Download
memory/2608-165-0x0000000000400000-0x000000000146F000-memory.dmp

Filesize
16.4MB

Download
memory/2608-197-0x0000000000400000-0x000000000146F000-memory.dmp

Filesize
16.4MB

Download
memory/4512-179-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4512-199-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4512-133-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads