gcleaner | 95d498d08585fe8d56c2847e8bc9711ffac703c53bec92f15c8c82ad86c8b0d3

General

Target

a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe
Size

2.4MB
MD5

dd57d3e8aa35f0b8218af7af8f3a65e7
SHA1

5f5980c3c94aca9ca9011505a003fe7b9c8217bf
SHA256

a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd
SHA512

ab753c9aaa387863feaffd1d77da231d42450f1c6cd91a716ae03b7b770264fb50ba28d18f91614306a4ab29d5c56a3c38826d68f96a9e21f5c0c6f2d97901a8
SSDEEP

49152:EGlJfse+Lz4cMzjsb0MAb8MIYHKeTxmRL6yQtV6rWfXw+aYy6+g54d5dlLYp:5j2z4PzjsbGIQaREEOAIL+gCrPYp

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:

FRec317.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	FRec317.exe

Executes dropped EXE 3 IoCs

Processes:

is-E1CLJ.tmpFRec317.exeKXYMDv.exe

pid process

4280 is-E1CLJ.tmp
4648 FRec317.exe
224 KXYMDv.exe
Loads dropped DLL 1 IoCs

Processes:

is-E1CLJ.tmp

pid process

4280 is-E1CLJ.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
4280	is-E1CLJ.tmp
4648	FRec317.exe
224	KXYMDv.exe

pid	process
4280	is-E1CLJ.tmp

Drops file in Program Files directory 9 IoCs

Processes:

is-E1CLJ.tmp

description	ioc	process
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\data\is-VVK7K.tmp	is-E1CLJ.tmp
File opened for modification	C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\is-TI3EE.tmp	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\is-OKA36.tmp	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\is-O1IV3.tmp	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\is-DBDFR.tmp	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat	is-E1CLJ.tmp
File created	C:\Program Files (x86)\FIYsoftFR\FRec317\is-OF0TU.tmp	is-E1CLJ.tmp
File opened for modification	C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe	is-E1CLJ.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

4388 taskkill.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

FRec317.exe

pid process

4648 FRec317.exe
4648 FRec317.exe
4648 FRec317.exe
4648 FRec317.exe
4648 FRec317.exe
4648 FRec317.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4388 taskkill.exe

pid	process
4388	taskkill.exe

pid	process
4648	FRec317.exe
4648	FRec317.exe
4648	FRec317.exe
4648	FRec317.exe
4648	FRec317.exe
4648	FRec317.exe

description	pid	process
Token: SeDebugPrivilege	4388	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exeis-E1CLJ.tmpFRec317.execmd.exe

description	pid	process	target process
PID 1520 wrote to memory of 4280	1520	a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe	is-E1CLJ.tmp
PID 1520 wrote to memory of 4280	1520	a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe	is-E1CLJ.tmp
PID 1520 wrote to memory of 4280	1520	a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe	is-E1CLJ.tmp
PID 4280 wrote to memory of 4648	4280	is-E1CLJ.tmp	FRec317.exe
PID 4280 wrote to memory of 4648	4280	is-E1CLJ.tmp	FRec317.exe
PID 4280 wrote to memory of 4648	4280	is-E1CLJ.tmp	FRec317.exe
PID 4648 wrote to memory of 224	4648	FRec317.exe	KXYMDv.exe
PID 4648 wrote to memory of 224	4648	FRec317.exe	KXYMDv.exe
PID 4648 wrote to memory of 224	4648	FRec317.exe	KXYMDv.exe
PID 4648 wrote to memory of 1944	4648	FRec317.exe	cmd.exe
PID 4648 wrote to memory of 1944	4648	FRec317.exe	cmd.exe
PID 4648 wrote to memory of 1944	4648	FRec317.exe	cmd.exe
PID 1944 wrote to memory of 4388	1944	cmd.exe	taskkill.exe
PID 1944 wrote to memory of 4388	1944	cmd.exe	taskkill.exe
PID 1944 wrote to memory of 4388	1944	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe
"C:\Users\Admin\AppData\Local\Temp\a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\is-OHB4N.tmp\is-E1CLJ.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-OHB4N.tmp\is-E1CLJ.tmp" /SL4 $A0042 "C:\Users\Admin\AppData\Local\Temp\a41e45e14795bb60ef20aa47780ddd8cdc491e7e23c16594a7af91c4f3e817cd.exe" 2317014 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe
    "C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\KXYMDv.exe
      4⤵
      Executes dropped EXE
      PID:224
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "FRec317.exe" /f & erase "C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1944
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im "FRec317.exe" /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe

Filesize
3.3MB

MD5
839a49577dd28f60969ca2fc9a522615

SHA1
a034d65aa2fee03a730af5613295830010e5f01f

SHA256
46ecd4495bd0ca4f17aff2170ea511fd418977a07cd35c6f46a9f8e61492b39a

SHA512
c47dbf7240b4d75e7566dfcc6a8aaf9c3d83ad2a028fceaa1f4fc8899146a91fef9f96febc4b4d5beb3f2033fce8a7e9ce1cffed3036b0b1a9dbff4ef39b403d

Download Submit
C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe

Filesize
3.3MB

MD5
839a49577dd28f60969ca2fc9a522615

SHA1
a034d65aa2fee03a730af5613295830010e5f01f

SHA256
46ecd4495bd0ca4f17aff2170ea511fd418977a07cd35c6f46a9f8e61492b39a

SHA512
c47dbf7240b4d75e7566dfcc6a8aaf9c3d83ad2a028fceaa1f4fc8899146a91fef9f96febc4b4d5beb3f2033fce8a7e9ce1cffed3036b0b1a9dbff4ef39b403d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DKFP9JBL\dll[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CKB25.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OHB4N.tmp\is-E1CLJ.tmp

Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-OHB4N.tmp\is-E1CLJ.tmp

Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

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

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

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

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1520-133-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1520-199-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1520-178-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4280-148-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/4280-179-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4280-198-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4648-182-0x0000000000400000-0x0000000001553000-memory.dmp

Filesize
17.3MB

Download
memory/4648-197-0x0000000000400000-0x0000000001553000-memory.dmp

Filesize
17.3MB

Download
memory/4648-174-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/4648-166-0x0000000000400000-0x0000000001553000-memory.dmp

Filesize
17.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads