gcleaner | 4ff57c06c7ce69555aab48c0ff09bcbee9f96a82c639bb92205f82f95f4d2474

Analysis

max time kernel
191s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10-02-2023 19:47

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General

Target

file.exe
Size

2.4MB
MD5

72ffa27ba78ef6d71d4a9c43a18c36a9
SHA1

369865fb28250b89d50f496547fe271ba6336801
SHA256

4ff57c06c7ce69555aab48c0ff09bcbee9f96a82c639bb92205f82f95f4d2474
SHA512

4802f2145f260ce8323ddfef3bf159d6482eebb9c399b406c44a5df232d5f362d149e89f7f0e6e7f410ac6c17cef7ddc0f610e55333686f94c7d3c5c47941864
SSDEEP

49152:rdHCOs1CAU1DEBhXcGrG7zfxecscSdsJKkUnCLCgv2MR:JHCnjU14BNG7NycMsokEqv2MR

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
4804	file.tmp
4696	FRec210.exe
3708	LkkIvp6skUQld.exe

Loads dropped DLL 3 IoCs

pid	Process
4804	file.tmp
4804	file.tmp
4804	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)\FHPsoftFR\FRec210\data\is-HAILC.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\is-KE1QE.tmp	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\is-T4O9F.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\FHPsoftFR\FRec210\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\is-098HT.tmp	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\is-E346F.tmp	file.tmp
File created	C:\Program Files (x86)\FHPsoftFR\FRec210\is-4IM5O.tmp	file.tmp

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4696	FRec210.exe
4696	FRec210.exe
4696	FRec210.exe
4696	FRec210.exe
4696	FRec210.exe
4696	FRec210.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4696	FRec210.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4804	4708	file.exe	78
PID 4708 wrote to memory of 4804	4708	file.exe	78
PID 4708 wrote to memory of 4804	4708	file.exe	78
PID 4804 wrote to memory of 4696	4804	file.tmp	79
PID 4804 wrote to memory of 4696	4804	file.tmp	79
PID 4804 wrote to memory of 4696	4804	file.tmp	79
PID 4696 wrote to memory of 3708	4696	FRec210.exe	80
PID 4696 wrote to memory of 3708	4696	FRec210.exe	80
PID 4696 wrote to memory of 3708	4696	FRec210.exe	80

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\is-HKSB5.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-HKSB5.tmp\file.tmp" /SL5="$90064,2226789,387072,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:4804
- - C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe
    "C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:4696
  - - C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\LkkIvp6skUQld.exe
      4⤵
      Executes dropped EXE
      PID:3708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe

Filesize
2.0MB

MD5
c2634eb77934477ab29c7ca9af0455e1

SHA1
46a15e0b7e91683e528064c48d4622d2939467ed

SHA256
4fca7cd29c1a1ac5826efe80df3e8bdad013f153dec324c1a8ce71018385b7c7

SHA512
474bc55cf0c6fbe83a8fc4e059f037ffa97743a97f4c79ff6b52dbf7386e23857161ca8c588e41587f103ca8c879688fad20fcfb493b7c57b5dde259bba30aec

Download Submit
C:\Program Files (x86)\FHPsoftFR\FRec210\FRec210.exe

Filesize
2.0MB

MD5
c2634eb77934477ab29c7ca9af0455e1

SHA1
46a15e0b7e91683e528064c48d4622d2939467ed

SHA256
4fca7cd29c1a1ac5826efe80df3e8bdad013f153dec324c1a8ce71018385b7c7

SHA512
474bc55cf0c6fbe83a8fc4e059f037ffa97743a97f4c79ff6b52dbf7386e23857161ca8c588e41587f103ca8c879688fad20fcfb493b7c57b5dde259bba30aec

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6VPGJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6VPGJ.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6VPGJ.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HKSB5.tmp\file.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HKSB5.tmp\file.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\LkkIvp6skUQld.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\LkkIvp6skUQld.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/4696-148-0x0000000000400000-0x0000000001409000-memory.dmp

Filesize
16.0MB

Download
memory/4696-145-0x0000000000400000-0x0000000001409000-memory.dmp

Filesize
16.0MB

Download
memory/4696-146-0x0000000000400000-0x0000000001409000-memory.dmp

Filesize
16.0MB

Download
memory/4696-147-0x0000000000400000-0x0000000001409000-memory.dmp

Filesize
16.0MB

Download
memory/4696-152-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/4708-132-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4708-137-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4804-140-0x0000000002331000-0x0000000002333000-memory.dmp

Filesize
8KB

Download