gcleaner | 516c815403a075fd9cfeef6f4085699ec819a2100c65c2dcc78f14c21dbf8d51

Analysis

max time kernel
66s
max time network
70s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
16/02/2023, 00:17

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General

Target
file.exe
Size 3.2MB
Sample230216-ak2saaee4t
SHA256 516c815403a075fd9cfeef6f4085699ec819a2100c65c2dcc78f14c21dbf8d51
MD5 7902c422ea6576e79481810e317b7cdf
SHA1 8b37ffe0fc0ae180c4a3cd54eaec953025b54153
SHA512 0694b06ef04876dbd7e030fbb432a560c4c700357a812537f91014ebcf03a78f447133e1127fc7117ae8ad4197a48e625c39eacadd927145adc7af63eaf33156
SSDEEP 49152:rdH46r4bsBwysbUuHVhTwz+i13BakYm2/NkuUpSO6VfuWpdlYdLCgv2MR:JHlrnw7gusz+itAn/6f6uafYhv2MR
MD5 SHA1 SHA512 SSDEEP

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
2020	file.tmp
1168	FRec215.exe
2036	pLi13s4.exe

Loads dropped DLL 7 IoCs

pid	Process
1228	file.exe
2020	file.tmp
2020	file.tmp
2020	file.tmp
2020	file.tmp
2020	file.tmp
1168	FRec215.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

description	ioc	Process
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\is-4K5PF.tmp	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\is-TR7RB.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\FHUsoftFR\FRec215\unins000.dat	file.tmp
File opened for modification	C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\unins000.dat	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\is-2VL1O.tmp	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\is-UK1SS.tmp	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\is-RRQTS.tmp	file.tmp
File created	C:\Program Files (x86)\FHUsoftFR\FRec215\data\is-GUI13.tmp	file.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
1512	taskkill.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1168	FRec215.exe
1168	FRec215.exe
1168	FRec215.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 1228 wrote to memory of 2020	1228	file.exe	27
PID 2020 wrote to memory of 1168	2020	file.tmp	28
PID 2020 wrote to memory of 1168	2020	file.tmp	28
PID 2020 wrote to memory of 1168	2020	file.tmp	28
PID 2020 wrote to memory of 1168	2020	file.tmp	28
PID 1168 wrote to memory of 2036	1168	FRec215.exe	29
PID 1168 wrote to memory of 2036	1168	FRec215.exe	29
PID 1168 wrote to memory of 2036	1168	FRec215.exe	29
PID 1168 wrote to memory of 2036	1168	FRec215.exe	29
PID 1168 wrote to memory of 1668	1168	FRec215.exe	32
PID 1168 wrote to memory of 1668	1168	FRec215.exe	32
PID 1168 wrote to memory of 1668	1168	FRec215.exe	32
PID 1168 wrote to memory of 1668	1168	FRec215.exe	32
PID 1668 wrote to memory of 1512	1668	cmd.exe	34
PID 1668 wrote to memory of 1512	1668	cmd.exe	34
PID 1668 wrote to memory of 1512	1668	cmd.exe	34
PID 1668 wrote to memory of 1512	1668	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\is-UOBQ8.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UOBQ8.tmp\file.tmp" /SL5="$70124,3055599,387072,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:2020
- - C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe
    "C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pLi13s4.exe
      4⤵
      Executes dropped EXE
      PID:2036
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec215.exe" /f & erase "C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1668
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec215.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1512

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

FRec215.exe

Path C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe
Size 3.5MB
SHA256 0633b496c072a5e08836f67a5998c6296dbb887e6f13e7f13c6e1ca176b30a79
MD5 80e2c50c7272560a8c2c21c1ee3126c7
SHA1 ea389ee30393f39f2b5925dc73db1530e305f3ae
SHA512 320d99806296480a0d0fa88c665b58bf49624ccfcbbf8de95a5c01583173bb25dcfbbcd65743d76a65ace5f638d9edd0601d3199692e67ddadd8771767fe8127
SSDEEP 98304:R5h9nHg4AO09ugYUEwqjSw9nzcCP9DfFC+e:x9UnYUECJR
MD5 SHA1 SHA512 SSDEEP

Submit Download

FRec215.exe

Path C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe
Size 3.5MB
SHA256 0633b496c072a5e08836f67a5998c6296dbb887e6f13e7f13c6e1ca176b30a79
MD5 80e2c50c7272560a8c2c21c1ee3126c7
SHA1 ea389ee30393f39f2b5925dc73db1530e305f3ae
SHA512 320d99806296480a0d0fa88c665b58bf49624ccfcbbf8de95a5c01583173bb25dcfbbcd65743d76a65ace5f638d9edd0601d3199692e67ddadd8771767fe8127
SSDEEP 98304:R5h9nHg4AO09ugYUEwqjSw9nzcCP9DfFC+e:x9UnYUECJR
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-UOBQ8.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-UOBQ8.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

pLi13s4.exe

Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pLi13s4.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

Submit Download

FRec215.exe

Path \Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe
Size 3.5MB
SHA256 0633b496c072a5e08836f67a5998c6296dbb887e6f13e7f13c6e1ca176b30a79
MD5 80e2c50c7272560a8c2c21c1ee3126c7
SHA1 ea389ee30393f39f2b5925dc73db1530e305f3ae
SHA512 320d99806296480a0d0fa88c665b58bf49624ccfcbbf8de95a5c01583173bb25dcfbbcd65743d76a65ace5f638d9edd0601d3199692e67ddadd8771767fe8127
SSDEEP 98304:R5h9nHg4AO09ugYUEwqjSw9nzcCP9DfFC+e:x9UnYUECJR
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-UM1A8.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_isdecmp.dll

Path \Users\Admin\AppData\Local\Temp\is-UM1A8.tmp\_isetup\_isdecmp.dll
Size 13KB
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
SSDEEP 384:BXvhMwoSitz/bjx7yxnbdn+EHvbsHoOODCg:BZ7FEAbd+EDsIO
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-UM1A8.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-UM1A8.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

Submit Download

file.tmp

Path \Users\Admin\AppData\Local\Temp\is-UOBQ8.tmp\file.tmp
Size 696KB
SHA256 229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
MD5 d76329b30db65f61d55b20f36b56da26
SHA1 5e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA512 a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
SSDEEP 12288:9QtLeYXPEv4arPEn37TzH7A6p3xxu9yz/eERMY1VLJrNufs9RZM2GHOQyD362kS0:+tCUA4arPEn37TzH7A6nw9yzeESUFWH/
MD5 SHA1 SHA512 SSDEEP

Submit Download

pLi13s4.exe

Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pLi13s4.exe
Size 72KB
SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
MD5 3fb36cb0b7172e5298d2992d42984d06
SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1168-79-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1168-78-0x0000000010000000-0x000000001001B000-memory.dmp

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memory/1168-85-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1168-72-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1168-73-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1168-74-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1168-82-0x0000000000400000-0x0000000001586000-memory.dmp

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memory/1228-55-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/1228-70-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/1228-86-0x0000000000400000-0x0000000000465000-memory.dmp

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memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

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memory/2020-71-0x0000000002E00000-0x0000000003F86000-memory.dmp

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