gcleaner | c5bdea7c8968b7239d764ebe1a80d0e079054922667a68a1855e4760ad6ed4c1

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15/02/2023, 01:12

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General

Target

1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe
Size

3.2MB
MD5

3e510b23d8bd9a4c2a6ca2e70e21c1b9
SHA1

711230c858c63187014eb1ff45b1f2e9096a99e1
SHA256

1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd
SHA512

46e99639d869ae74c953767cdf8887108e1b0b8cf15f04a4b1c461b613152a08013f72ccb0d6c5afe28bbb7f7309b1d106eca12786f951453ccc94008657eb42
SSDEEP

98304:JHGBPHLcxvCUZ/9v7WyWjVgg6rGRRv2MR:dGBfIxvFqRjVggbTvjR

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

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	FRec213.exe

Executes dropped EXE 3 IoCs

pid	Process
440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
796	FRec213.exe
4188	gz157.exe

Loads dropped DLL 3 IoCs

pid	Process
440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.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)\FHSsoftFR\FRec213\is-5366K.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File opened for modification	C:\Program Files (x86)\FHSsoftFR\FRec213\unins000.dat	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File opened for modification	C:\Program Files (x86)\FHSsoftFR\FRec213\FRec213.exe	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\unins000.dat	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\is-EA6S6.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\is-PEAVS.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\is-KQM4C.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\is-UBVJA.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
File created	C:\Program Files (x86)\FHSsoftFR\FRec213\data\is-28NDK.tmp	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.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
3788	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
796	FRec213.exe
796	FRec213.exe
796	FRec213.exe
796	FRec213.exe
796	FRec213.exe
796	FRec213.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 440	3972	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe	80
PID 3972 wrote to memory of 440	3972	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe	80
PID 3972 wrote to memory of 440	3972	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe	80
PID 440 wrote to memory of 796	440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp	81
PID 440 wrote to memory of 796	440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp	81
PID 440 wrote to memory of 796	440	1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp	81
PID 796 wrote to memory of 4188	796	FRec213.exe	82
PID 796 wrote to memory of 4188	796	FRec213.exe	82
PID 796 wrote to memory of 4188	796	FRec213.exe	82
PID 796 wrote to memory of 4364	796	FRec213.exe	87
PID 796 wrote to memory of 4364	796	FRec213.exe	87
PID 796 wrote to memory of 4364	796	FRec213.exe	87
PID 4364 wrote to memory of 3788	4364	cmd.exe	89
PID 4364 wrote to memory of 3788	4364	cmd.exe	89
PID 4364 wrote to memory of 3788	4364	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe
"C:\Users\Admin\AppData\Local\Temp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Users\Admin\AppData\Local\Temp\is-MRTRJ.tmp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MRTRJ.tmp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp" /SL5="$801BE,3064591,387072,C:\Users\Admin\AppData\Local\Temp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:440
- - C:\Program Files (x86)\FHSsoftFR\FRec213\FRec213.exe
    "C:\Program Files (x86)\FHSsoftFR\FRec213\FRec213.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:796
  - - C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\gz157.exe
      4⤵
      Executes dropped EXE
      PID:4188
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec213.exe" /f & erase "C:\Program Files (x86)\FHSsoftFR\FRec213\FRec213.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4364
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec213.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3788

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)\FHSsoftFR\FRec213\FRec213.exe

Filesize
3.2MB

MD5
d398b533bfa54390d5e3bf9f1c594950

SHA1
45e7f2d0f9b3f48008508b8ad99d00ab5aba2fe0

SHA256
62e0cd1434670815d1d2fb3b759d8d1207dabfb00aecaf2ed27abc85d9425bac

SHA512
d3c4a3c7093c5c323488af68b5c92cb3851111fa4f678106ae24f1a1303520cef2b195565d77e3b84ad8acfea406a99ccd5795633db2c28a93f66fa1c695fe41

Download Submit
C:\Program Files (x86)\FHSsoftFR\FRec213\FRec213.exe

Filesize
3.2MB

MD5
d398b533bfa54390d5e3bf9f1c594950

SHA1
45e7f2d0f9b3f48008508b8ad99d00ab5aba2fe0

SHA256
62e0cd1434670815d1d2fb3b759d8d1207dabfb00aecaf2ed27abc85d9425bac

SHA512
d3c4a3c7093c5c323488af68b5c92cb3851111fa4f678106ae24f1a1303520cef2b195565d77e3b84ad8acfea406a99ccd5795633db2c28a93f66fa1c695fe41

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EM6PK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EM6PK.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EM6PK.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MRTRJ.tmp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MRTRJ.tmp\1dc7421ff9da13e0cf1239f082f66b0aa7a5826241b4f146497a7c84cb5897bd.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\gz157.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{99cae5c0-1ab4-11ed-899c-806e6f6e6963}\gz157.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/440-140-0x0000000002301000-0x0000000002303000-memory.dmp

Filesize
8KB

Download
memory/796-146-0x0000000000400000-0x0000000001534000-memory.dmp

Filesize
17.2MB

Download
memory/796-158-0x0000000000400000-0x0000000001534000-memory.dmp

Filesize
17.2MB

Download
memory/796-145-0x0000000000400000-0x0000000001534000-memory.dmp

Filesize
17.2MB

Download
memory/796-147-0x0000000000400000-0x0000000001534000-memory.dmp

Filesize
17.2MB

Download
memory/796-151-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/796-155-0x0000000000400000-0x0000000001534000-memory.dmp

Filesize
17.2MB

Download
memory/3972-132-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3972-134-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3972-154-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3972-159-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download