gcleaner | eec53faaecbb5f623da853025e7551fc58c60f19317c58bec693066745f31b3f

Analysis

max time kernel
61s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2023 01:19

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General

Target

f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe
Size

2.7MB
MD5

56da98a60b906b22a756798f409b57c1
SHA1

3ade96a40816aebb558e6f51e2eaba59a5926629
SHA256

f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247
SHA512

da7477bcc6a583fefb90692ca5a631510391d32cbb4a64546e9c8be68847b3550a842859185ecf6d71054ed41864446ae6dc1a412401d3e40f957a11f5abf5d8
SSDEEP

49152:zGlJfs+UG6UfiLqT8IscGsQ8/EIh3I5YOrvcDc2AeilbKBRd32WHygU:qlU9UqL48IJdQ8/EIhY5TQgCilb7WSt

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

Processes:

Rec411.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation Rec411.exe
Executes dropped EXE 3 IoCs

Processes:

is-651S4.tmpRec411.exezVrecYud.exe

pid process

1816 is-651S4.tmp
672 Rec411.exe
4112 zVrecYud.exe
Loads dropped DLL 3 IoCs

Processes:

is-651S4.tmp

pid process

1816 is-651S4.tmp
1816 is-651S4.tmp
1816 is-651S4.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	Rec411.exe

pid	process
1816	is-651S4.tmp
672	Rec411.exe
4112	zVrecYud.exe

pid	process
1816	is-651S4.tmp
1816	is-651S4.tmp
1816	is-651S4.tmp

Drops file in Program Files directory 9 IoCs

Processes:

is-651S4.tmp

description	ioc	process
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\is-A01TM.tmp	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\is-VI896.tmp	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\data\is-BB79V.tmp	is-651S4.tmp
File opened for modification	C:\Program Files (x86)\FJVsoftFR\Rec411\unins000.dat	is-651S4.tmp
File opened for modification	C:\Program Files (x86)\FJVsoftFR\Rec411\Rec411.exe	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\unins000.dat	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\is-21UTS.tmp	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\is-5RADI.tmp	is-651S4.tmp
File created	C:\Program Files (x86)\FJVsoftFR\Rec411\is-K0F58.tmp	is-651S4.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

3152 taskkill.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Rec411.exe

pid process

672 Rec411.exe
672 Rec411.exe
672 Rec411.exe
672 Rec411.exe
672 Rec411.exe
672 Rec411.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3152 taskkill.exe

pid	process
3152	taskkill.exe

pid	process
672	Rec411.exe
672	Rec411.exe
672	Rec411.exe
672	Rec411.exe
672	Rec411.exe
672	Rec411.exe

description	pid	process
Token: SeDebugPrivilege	3152	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exeis-651S4.tmpRec411.execmd.exe

description	pid	process	target process
PID 1760 wrote to memory of 1816	1760	f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe	is-651S4.tmp
PID 1760 wrote to memory of 1816	1760	f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe	is-651S4.tmp
PID 1760 wrote to memory of 1816	1760	f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe	is-651S4.tmp
PID 1816 wrote to memory of 672	1816	is-651S4.tmp	Rec411.exe
PID 1816 wrote to memory of 672	1816	is-651S4.tmp	Rec411.exe
PID 1816 wrote to memory of 672	1816	is-651S4.tmp	Rec411.exe
PID 672 wrote to memory of 4112	672	Rec411.exe	zVrecYud.exe
PID 672 wrote to memory of 4112	672	Rec411.exe	zVrecYud.exe
PID 672 wrote to memory of 4112	672	Rec411.exe	zVrecYud.exe
PID 672 wrote to memory of 2416	672	Rec411.exe	cmd.exe
PID 672 wrote to memory of 2416	672	Rec411.exe	cmd.exe
PID 672 wrote to memory of 2416	672	Rec411.exe	cmd.exe
PID 2416 wrote to memory of 3152	2416	cmd.exe	taskkill.exe
PID 2416 wrote to memory of 3152	2416	cmd.exe	taskkill.exe
PID 2416 wrote to memory of 3152	2416	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe
"C:\Users\Admin\AppData\Local\Temp\f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\is-1TKO8.tmp\is-651S4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-1TKO8.tmp\is-651S4.tmp" /SL4 $1F0022 "C:\Users\Admin\AppData\Local\Temp\f62fe6646047d7c5a7b445793ab595c3f747c0daba16b2f6c1942f28067b2247.exe" 2613035 56320
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Program Files (x86)\FJVsoftFR\Rec411\Rec411.exe
    "C:\Program Files (x86)\FJVsoftFR\Rec411\Rec411.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:672
  - - C:\Users\Admin\AppData\Roaming\{7f74da3b-b191-11ed-abe8-806e6f6e6963}\zVrecYud.exe
      4⤵
      Executes dropped EXE
      PID:4112
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "Rec411.exe" /f & erase "C:\Program Files (x86)\FJVsoftFR\Rec411\Rec411.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2416
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "Rec411.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3152

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)\FJVsoftFR\Rec411\Rec411.exe

Filesize
3.0MB

MD5
2ba6bb5080526019a5bf290e9977c235

SHA1
a380e4e6146193c85b91a8f85690fcd2f9fc8aa8

SHA256
9f5f4d9148de1496c222c36251e31a4dcc53498d985bfc16014044c9d7361b53

SHA512
e5ef9d29c26b6f124ad9f1648d83c9fa225d5af8cc186d4fa1a95c635e3effd71e31e3d48a14bb5e7d4246043c45e7990f671c3317488d4c431915373ca82196

Download Submit
C:\Program Files (x86)\FJVsoftFR\Rec411\Rec411.exe

Filesize
3.0MB

MD5
2ba6bb5080526019a5bf290e9977c235

SHA1
a380e4e6146193c85b91a8f85690fcd2f9fc8aa8

SHA256
9f5f4d9148de1496c222c36251e31a4dcc53498d985bfc16014044c9d7361b53

SHA512
e5ef9d29c26b6f124ad9f1648d83c9fa225d5af8cc186d4fa1a95c635e3effd71e31e3d48a14bb5e7d4246043c45e7990f671c3317488d4c431915373ca82196

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4HAJQ22Y\dll[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1TKO8.tmp\is-651S4.tmp

Filesize
659KB

MD5
57d101722b08967ce53be6109b7f6ccf

SHA1
f62e5f39efbfb03d0ddd822963122eb1945d9f18

SHA256
5b433440454647dc2775cacf3258f2272cb2fc0ec870b862744aad4ee7bc7ec9

SHA512
57158b946d08d669967f8b09dde8a44a1e2c94ac0a313aa6f3eb52c651c73e7546b085a201847757ac15911d797a8fb2032a13e845b790af5279abd344793f4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-1TKO8.tmp\is-651S4.tmp

Filesize
659KB

MD5
57d101722b08967ce53be6109b7f6ccf

SHA1
f62e5f39efbfb03d0ddd822963122eb1945d9f18

SHA256
5b433440454647dc2775cacf3258f2272cb2fc0ec870b862744aad4ee7bc7ec9

SHA512
57158b946d08d669967f8b09dde8a44a1e2c94ac0a313aa6f3eb52c651c73e7546b085a201847757ac15911d797a8fb2032a13e845b790af5279abd344793f4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9LPI8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9LPI8.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9LPI8.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Roaming\{7f74da3b-b191-11ed-abe8-806e6f6e6963}\zVrecYud.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{7f74da3b-b191-11ed-abe8-806e6f6e6963}\zVrecYud.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/672-172-0x0000000000400000-0x00000000014FF000-memory.dmp

Filesize
17.0MB

Download
memory/672-180-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/672-187-0x0000000000400000-0x00000000014FF000-memory.dmp

Filesize
17.0MB

Download
memory/672-171-0x0000000000400000-0x00000000014FF000-memory.dmp

Filesize
17.0MB

Download
memory/672-203-0x0000000000400000-0x00000000014FF000-memory.dmp

Filesize
17.0MB

Download
memory/1760-133-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1760-185-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1760-205-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1816-186-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1816-204-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1816-170-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download