gcleaner | cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02

Analysis

max time kernel
84s
max time network
115s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05-04-2023 11:05

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General

Target

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe
Size

3.3MB
MD5

09be50f00fcee0b3b7c2eab38358ab81
SHA1

ae82277a93d9418903fca8968898be7654de6efc
SHA256

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02
SHA512

e99c7f4a16da6b0484354fa44f87562611b221e9147af64b81cd9eb9121fb98d290f8136d0463d3f18feee3c899264d764256edc17e837473a13161d3fab8576
SSDEEP

98304:JH2mQ4r473BmAF/sZKkgr2Rb5I3ZogdVQv2MR:d2j4cTVOZxG2vIp7QvjR

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:

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmpFRec212.exe29lRnb.exe

pid process

1700 cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
704 FRec212.exe
1316 29lRnb.exe

pid	process
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
704	FRec212.exe
1316	29lRnb.exe

Loads dropped DLL 7 IoCs

Processes:

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.execba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmpFRec212.exe

pid	process
2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
704	FRec212.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:

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp

description	ioc	process
File opened for modification	C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-CHLDI.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-4OGAC.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-CFAGS.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-KIRA9.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\is-JPDS3.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\data\is-U7S0E.tmp	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File opened for modification	C:\Program Files (x86)\FHRsoftFR\FRec212\unins000.dat	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
File created	C:\Program Files (x86)\FHRsoftFR\FRec212\unins000.dat	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.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

1504 taskkill.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FRec212.exe

pid process

704 FRec212.exe
704 FRec212.exe
704 FRec212.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1504 taskkill.exe

pid	process
1504	taskkill.exe

pid	process
704	FRec212.exe
704	FRec212.exe
704	FRec212.exe

description	pid	process
Token: SeDebugPrivilege	1504	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.execba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmpFRec212.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 2028 wrote to memory of 1700	2028	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
PID 1700 wrote to memory of 704	1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp	FRec212.exe
PID 1700 wrote to memory of 704	1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp	FRec212.exe
PID 1700 wrote to memory of 704	1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp	FRec212.exe
PID 1700 wrote to memory of 704	1700	cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp	FRec212.exe
PID 704 wrote to memory of 1316	704	FRec212.exe	29lRnb.exe
PID 704 wrote to memory of 1316	704	FRec212.exe	29lRnb.exe
PID 704 wrote to memory of 1316	704	FRec212.exe	29lRnb.exe
PID 704 wrote to memory of 1316	704	FRec212.exe	29lRnb.exe
PID 704 wrote to memory of 1756	704	FRec212.exe	cmd.exe
PID 704 wrote to memory of 1756	704	FRec212.exe	cmd.exe
PID 704 wrote to memory of 1756	704	FRec212.exe	cmd.exe
PID 704 wrote to memory of 1756	704	FRec212.exe	cmd.exe
PID 1756 wrote to memory of 1504	1756	cmd.exe	taskkill.exe
PID 1756 wrote to memory of 1504	1756	cmd.exe	taskkill.exe
PID 1756 wrote to memory of 1504	1756	cmd.exe	taskkill.exe
PID 1756 wrote to memory of 1504	1756	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe
"C:\Users\Admin\AppData\Local\Temp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\is-CJ0NL.tmp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CJ0NL.tmp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp" /SL5="$70120,3172069,387072,C:\Users\Admin\AppData\Local\Temp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe
    "C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:704
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\29lRnb.exe
      4⤵
      Executes dropped EXE
      PID:1316
  - - 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:1756
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec212.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1504

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
4bedb789b5fc2329c1906b1d6f3f4e79

SHA1
5c6e556474a9a41107817f98b16996c597c16fe2

SHA256
3387b23cdcd4652b0c34464b4e93758c1f2f70541c570b03212e907e9e8eb1a4

SHA512
534e6b8e061a389cb244d085c7ee8ff4eaf7dd62cd50d8fc78fef19eab1deea9efbf0ad503bce15092c7e433d38a5dfdadf38ce6e027c0c7a2ec3f4a60d09b41

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

Filesize
3.3MB

MD5
4bedb789b5fc2329c1906b1d6f3f4e79

SHA1
5c6e556474a9a41107817f98b16996c597c16fe2

SHA256
3387b23cdcd4652b0c34464b4e93758c1f2f70541c570b03212e907e9e8eb1a4

SHA512
534e6b8e061a389cb244d085c7ee8ff4eaf7dd62cd50d8fc78fef19eab1deea9efbf0ad503bce15092c7e433d38a5dfdadf38ce6e027c0c7a2ec3f4a60d09b41

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\UOYUJSME\dll[2].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CJ0NL.tmp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CJ0NL.tmp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\29lRnb.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

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

Filesize
3.3MB

MD5
4bedb789b5fc2329c1906b1d6f3f4e79

SHA1
5c6e556474a9a41107817f98b16996c597c16fe2

SHA256
3387b23cdcd4652b0c34464b4e93758c1f2f70541c570b03212e907e9e8eb1a4

SHA512
534e6b8e061a389cb244d085c7ee8ff4eaf7dd62cd50d8fc78fef19eab1deea9efbf0ad503bce15092c7e433d38a5dfdadf38ce6e027c0c7a2ec3f4a60d09b41

Download Submit
\Users\Admin\AppData\Local\Temp\is-4O4LO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-4O4LO.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-4O4LO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-4O4LO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-CJ0NL.tmp\cba0a7e08a5df35f25af335047b3c5034c127adba3c16137062ff8de1ed2ea02.tmp

Filesize
696KB

MD5
d76329b30db65f61d55b20f36b56da26

SHA1
5e4c77b723ae8f05b3ae6afeee735a4355f00663

SHA256
229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d

SHA512
a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\29lRnb.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/704-95-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/704-141-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/704-96-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/704-118-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/704-112-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/704-104-0x0000000000400000-0x0000000001552000-memory.dmp

Filesize
17.3MB

Download
memory/1700-105-0x0000000002E20000-0x0000000003F72000-memory.dmp

Filesize
17.3MB

Download
memory/1700-103-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1700-94-0x0000000002E20000-0x0000000003F72000-memory.dmp

Filesize
17.3MB

Download
memory/1700-142-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1700-79-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2028-102-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2028-54-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2028-143-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download