gcleaner | 29a104b4b1be809942ef96e5915e88589da6410bab7c5fe4176cb58d58822cbb

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 01:49

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General

Target

81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe
Size

3.3MB
MD5

e7aa024138efb18d8aab5bd3fafbf5fa
SHA1

da036940ddbf7ab56075e1cbdc6fe4ece587a679
SHA256

81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd
SHA512

a976bd67633a6299c51013c48016cdcaafbc416fb374f4e0a8ccc0bed80e380138cc67c09591731fe77b73bb34bd1abb7d5b4221e2817114fdaaee3637485b9e
SSDEEP

49152:rdHOMYx5NyRaAyz2mNmXzuS5PTnUduM9rn8nMmaMAVI0GulLCgv2MR:JHh+CRiWXbtTnM2aLHGwv2MR

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	FRec212.exe

Executes dropped EXE 3 IoCs

pid	Process
2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
1312	FRec212.exe
3380	i2gsDUr1KVm1.exe

Loads dropped DLL 3 IoCs

pid	Process
2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.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)\FHRsoftFR\FRec212\is-GBUP6.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-49B44.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\data\is-MKNGK.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File opened for modification	C:\Program Files (x86)\FHRsoftFR\FRec212\unins000.dat	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\unins000.dat	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-SN842.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-1NCV5.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-18CA9.tmp	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
File opened for modification	C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.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
3196	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1312	FRec212.exe
1312	FRec212.exe
1312	FRec212.exe
1312	FRec212.exe
1312	FRec212.exe
1312	FRec212.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1312	FRec212.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3196	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 2400	404	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe	82
PID 404 wrote to memory of 2400	404	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe	82
PID 404 wrote to memory of 2400	404	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe	82
PID 2400 wrote to memory of 1312	2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp	83
PID 2400 wrote to memory of 1312	2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp	83
PID 2400 wrote to memory of 1312	2400	81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp	83
PID 1312 wrote to memory of 3380	1312	FRec212.exe	84
PID 1312 wrote to memory of 3380	1312	FRec212.exe	84
PID 1312 wrote to memory of 3380	1312	FRec212.exe	84
PID 1312 wrote to memory of 224	1312	FRec212.exe	86
PID 1312 wrote to memory of 224	1312	FRec212.exe	86
PID 1312 wrote to memory of 224	1312	FRec212.exe	86
PID 224 wrote to memory of 3196	224	cmd.exe	88
PID 224 wrote to memory of 3196	224	cmd.exe	88
PID 224 wrote to memory of 3196	224	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe
"C:\Users\Admin\AppData\Local\Temp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\is-TUC0F.tmp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-TUC0F.tmp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp" /SL5="$B01BE,3201487,387072,C:\Users\Admin\AppData\Local\Temp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe
    "C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - C:\Users\Admin\AppData\Roaming\{6e1ce040-6208-11ed-b5ce-806e6f6e6963}\i2gsDUr1KVm1.exe
      4⤵
      Executes dropped EXE
      PID:3380
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec212.exe" /f & erase "C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:224
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec212.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3196

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)\FHRsoftFR\FRec212\FRec212.exe

Filesize
3.3MB

MD5
a7a06f4176dd90f78dce70eabfa0f9dd

SHA1
8e25073accfd99d67a10196675946f90f4a379a2

SHA256
a0a940605f730f1b8adbd63eaa2906d23053ae0140dd6bf2de9d3672cd0bcbda

SHA512
6f4777bb0b39cd97231f9bd5310dc7cd0fd7bc9e7ff146f867468fcc4ecff14c4509842aba946a7de40d194b3d10faacd4d2fbfe134793c3d43836443fd8417e

Download Submit
C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe

Filesize
3.3MB

MD5
a7a06f4176dd90f78dce70eabfa0f9dd

SHA1
8e25073accfd99d67a10196675946f90f4a379a2

SHA256
a0a940605f730f1b8adbd63eaa2906d23053ae0140dd6bf2de9d3672cd0bcbda

SHA512
6f4777bb0b39cd97231f9bd5310dc7cd0fd7bc9e7ff146f867468fcc4ecff14c4509842aba946a7de40d194b3d10faacd4d2fbfe134793c3d43836443fd8417e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7A0IS.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7A0IS.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7A0IS.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TUC0F.tmp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TUC0F.tmp\81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Roaming\{6e1ce040-6208-11ed-b5ce-806e6f6e6963}\i2gsDUr1KVm1.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{6e1ce040-6208-11ed-b5ce-806e6f6e6963}\i2gsDUr1KVm1.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/404-141-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/404-132-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/404-157-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1312-145-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/1312-146-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/1312-150-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/1312-151-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1312-156-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/2400-139-0x0000000002471000-0x0000000002473000-memory.dmp

Filesize
8KB

Download