gcleaner | f9757bc4b64757aade6871dbdcb59d64ad51a7dee7f30834e27c6bda5f3b201a

General

Target

file.exe
Size

2.1MB
MD5

924044a0c017c9db7063917d9d2744a2
SHA1

95c64f07afab572fcad55902340ca574b05ed856
SHA256

f9757bc4b64757aade6871dbdcb59d64ad51a7dee7f30834e27c6bda5f3b201a
SHA512

8a61cd86cab79a9086cc55f80d35f56bd7e3dd666d53298bddc94fd25c9592c395668d19d51530913483329b1c7a0f07fcdf674fdb6225e986f3a88c372227ba
SSDEEP

49152:EGlJfsyzcvr+ddPYqxDVCc4Z4HZeveyHniTQsiU7gdi5dlLYp:5hzckPYqxRCBK5emyHnGpPYp

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

C2

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:

FRec322.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	FRec322.exe

Executes dropped EXE 3 IoCs

Processes:

is-USG25.tmpFRec322.exeNNgIge.exe

pid process

3788 is-USG25.tmp
1624 FRec322.exe
3740 NNgIge.exe
Loads dropped DLL 1 IoCs

Processes:

is-USG25.tmp

pid process

3788 is-USG25.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

pid	process
3788	is-USG25.tmp
1624	FRec322.exe
3740	NNgIge.exe

pid	process
3788	is-USG25.tmp

Drops file in Program Files directory 9 IoCs

Processes:

is-USG25.tmp

description	ioc	process
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\is-2AKPV.tmp	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\is-ESO73.tmp	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\is-6UKI9.tmp	is-USG25.tmp
File opened for modification	C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\is-PD2D0.tmp	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\is-52M5T.tmp	is-USG25.tmp
File created	C:\Program Files (x86)\FJAsoftFR\FRec322\data\is-DRVBB.tmp	is-USG25.tmp
File opened for modification	C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat	is-USG25.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

4540 taskkill.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

FRec322.exe

pid process

1624 FRec322.exe
1624 FRec322.exe
1624 FRec322.exe
1624 FRec322.exe
1624 FRec322.exe
1624 FRec322.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4540 taskkill.exe

pid	process
4540	taskkill.exe

pid	process
1624	FRec322.exe
1624	FRec322.exe
1624	FRec322.exe
1624	FRec322.exe
1624	FRec322.exe
1624	FRec322.exe

description	pid	process
Token: SeDebugPrivilege	4540	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

file.exeis-USG25.tmpFRec322.execmd.exe

description	pid	process	target process
PID 2144 wrote to memory of 3788	2144	file.exe	is-USG25.tmp
PID 2144 wrote to memory of 3788	2144	file.exe	is-USG25.tmp
PID 2144 wrote to memory of 3788	2144	file.exe	is-USG25.tmp
PID 3788 wrote to memory of 1624	3788	is-USG25.tmp	FRec322.exe
PID 3788 wrote to memory of 1624	3788	is-USG25.tmp	FRec322.exe
PID 3788 wrote to memory of 1624	3788	is-USG25.tmp	FRec322.exe
PID 1624 wrote to memory of 3740	1624	FRec322.exe	NNgIge.exe
PID 1624 wrote to memory of 3740	1624	FRec322.exe	NNgIge.exe
PID 1624 wrote to memory of 3740	1624	FRec322.exe	NNgIge.exe
PID 1624 wrote to memory of 3352	1624	FRec322.exe	cmd.exe
PID 1624 wrote to memory of 3352	1624	FRec322.exe	cmd.exe
PID 1624 wrote to memory of 3352	1624	FRec322.exe	cmd.exe
PID 3352 wrote to memory of 4540	3352	cmd.exe	taskkill.exe
PID 3352 wrote to memory of 4540	3352	cmd.exe	taskkill.exe
PID 3352 wrote to memory of 4540	3352	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2144

C:\Users\Admin\AppData\Local\Temp\is-APH5L.tmp\is-USG25.tmp
"C:\Users\Admin\AppData\Local\Temp\is-APH5L.tmp\is-USG25.tmp" /SL4 $8003E "C:\Users\Admin\AppData\Local\Temp\file.exe" 2014070 52736
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3788

C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe
"C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe"
3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1624

C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\NNgIge.exe
4⤵
- Executes dropped EXE
PID:3740

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec322.exe" /f & erase "C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe" & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:3352

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "FRec322.exe" /f
5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe
Filesize
2.6MB

MD5
e65e02fed3626160716b4001c40a1cc5

SHA1
79fca82a0cef3850693b72eab31b83bdce0c6e2f

SHA256
4b3e40664d1b730a1624e6bdc902c605c73455a5fc6e2fa3147bdd5570301c9f

SHA512
3d71aaba0403f2ff5061a88d4413994f872200c5f3730bc6d87612b09bd786f748a88632d9faff09cdf1de6bce10dc20a2f2ef291953f57c737932b969ba69d5

Download Submit
C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe
Filesize
2.6MB

MD5
e65e02fed3626160716b4001c40a1cc5

SHA1
79fca82a0cef3850693b72eab31b83bdce0c6e2f

SHA256
4b3e40664d1b730a1624e6bdc902c605c73455a5fc6e2fa3147bdd5570301c9f

SHA512
3d71aaba0403f2ff5061a88d4413994f872200c5f3730bc6d87612b09bd786f748a88632d9faff09cdf1de6bce10dc20a2f2ef291953f57c737932b969ba69d5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G1ORIWBN\dll[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-APH5L.tmp\is-USG25.tmp
Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-APH5L.tmp\is-USG25.tmp
Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-G2A72.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\NNgIge.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\NNgIge.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1624-166-0x0000000000400000-0x00000000014A0000-memory.dmp

Filesize
16.6MB

Download
memory/1624-174-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1624-165-0x0000000000400000-0x00000000014A0000-memory.dmp

Filesize
16.6MB

Download
memory/1624-181-0x0000000000400000-0x00000000014A0000-memory.dmp

Filesize
16.6MB

Download
memory/1624-197-0x0000000000400000-0x00000000014A0000-memory.dmp

Filesize
16.6MB

Download
memory/2144-199-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2144-179-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2144-133-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3788-148-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/3788-198-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3788-180-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads