Behavioral Report

Analysis

max time kernel
56s
max time network
57s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24-03-2023 13:24

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General

Target

file.exe
Size

1MB
MD5

d3fddf13bc4e9a1b7687e67419fcbce1
SHA1

1288e4aa974a08f09419559c1dc93ab8cab46a7c
SHA256

3d3fcbf9ff9a5c092b1e3bedfe76b0330b5dbfdc7e03288aecd45cab984d40ff
SHA512

81d9dc025e98e357cab5eca76380742aa3b38bc15f965720a0ce241d35844aaf09cd08b82b4520badf610e8ff3d70039ef9a801a50ce3471357be42ce2a8231f
SSDEEP

49152:EGlJfshd3bRC72tdxKnxmZTPBrDUXUmsoPRkHWi+fLrY2cK5dlLYp:5EVC7kMxmZTtD6Um35k2r/YIPYp

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:

is-DQAQU.tmpFRec324.execmzGSdYD.exe

pid process

2040 is-DQAQU.tmp
1392 FRec324.exe
1796 cmzGSdYD.exe
Loads dropped DLL 6 IoCs

Processes:

file.exeis-DQAQU.tmpFRec324.exe

pid process

1684 file.exe
2040 is-DQAQU.tmp
2040 is-DQAQU.tmp
2040 is-DQAQU.tmp
2040 is-DQAQU.tmp
1392 FRec324.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

pid	process
2040	is-DQAQU.tmp
1392	FRec324.exe
1796	cmzGSdYD.exe

pid	process
1684	file.exe
2040	is-DQAQU.tmp
2040	is-DQAQU.tmp
2040	is-DQAQU.tmp
2040	is-DQAQU.tmp
1392	FRec324.exe

Drops file in Program Files directory 9 IoCs

Processes:

is-DQAQU.tmp

description	ioc	process
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-0E60O.tmp	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-1KKMT.tmp	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-474R0.tmp	is-DQAQU.tmp
File opened for modification	C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-FRUPO.tmp	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\is-RFN6K.tmp	is-DQAQU.tmp
File created	C:\Program Files (x86)\FJCsoftFR\FRec324\data\is-A8A7C.tmp	is-DQAQU.tmp
File opened for modification	C:\Program Files (x86)\FJCsoftFR\FRec324\unins000.dat	is-DQAQU.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

1724 taskkill.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

FRec324.exe

pid process

1392 FRec324.exe
1392 FRec324.exe
1392 FRec324.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1724 taskkill.exe

pid	process
1724	taskkill.exe

pid	process
1392	FRec324.exe
1392	FRec324.exe
1392	FRec324.exe

description	pid	process
Token: SeDebugPrivilege	1724	taskkill.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

file.exeis-DQAQU.tmpFRec324.execmd.exe

description	pid	process	target process
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 1684 wrote to memory of 2040	1684	file.exe	is-DQAQU.tmp
PID 2040 wrote to memory of 1392	2040	is-DQAQU.tmp	FRec324.exe
PID 2040 wrote to memory of 1392	2040	is-DQAQU.tmp	FRec324.exe
PID 2040 wrote to memory of 1392	2040	is-DQAQU.tmp	FRec324.exe
PID 2040 wrote to memory of 1392	2040	is-DQAQU.tmp	FRec324.exe
PID 1392 wrote to memory of 1796	1392	FRec324.exe	cmzGSdYD.exe
PID 1392 wrote to memory of 1796	1392	FRec324.exe	cmzGSdYD.exe
PID 1392 wrote to memory of 1796	1392	FRec324.exe	cmzGSdYD.exe
PID 1392 wrote to memory of 1796	1392	FRec324.exe	cmzGSdYD.exe
PID 1392 wrote to memory of 1592	1392	FRec324.exe	cmd.exe
PID 1392 wrote to memory of 1592	1392	FRec324.exe	cmd.exe
PID 1392 wrote to memory of 1592	1392	FRec324.exe	cmd.exe
PID 1392 wrote to memory of 1592	1392	FRec324.exe	cmd.exe
PID 1592 wrote to memory of 1724	1592	cmd.exe	taskkill.exe
PID 1592 wrote to memory of 1724	1592	cmd.exe	taskkill.exe
PID 1592 wrote to memory of 1724	1592	cmd.exe	taskkill.exe
PID 1592 wrote to memory of 1724	1592	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\is-RC4P6.tmp\is-DQAQU.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RC4P6.tmp\is-DQAQU.tmp" /SL4 $70124 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1794524 52736
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2040

C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe
"C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe"
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\cmzGSdYD.exe
- Executes dropped EXE
PID:1796

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec324.exe" /f & erase "C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe" & exit
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "FRec324.exe" /f
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

00:00 00:00

Downloads

C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe
Filesize
2MB

MD5
b88397571548b8e16545411a836151b9

SHA1
a3d82bdc2087344cd150c805eb749d007dd90042

SHA256
c9a74d6f62d24656aea3293fe7a9fd5329e2972402e5ff533f6e2bb47d0f082a

SHA512
c4e62dd5b1e5a70dbaf5e5841df2a340bec0bcbff63e2e0cb7c4587f2e6ee8fe786e7a545b12ed77cc408888e35739f5e64e5812dc9639a9f1d0cf632b489600

Download Submit
C:\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe
Filesize
2MB

MD5
b88397571548b8e16545411a836151b9

SHA1
a3d82bdc2087344cd150c805eb749d007dd90042

SHA256
c9a74d6f62d24656aea3293fe7a9fd5329e2972402e5ff533f6e2bb47d0f082a

SHA512
c4e62dd5b1e5a70dbaf5e5841df2a340bec0bcbff63e2e0cb7c4587f2e6ee8fe786e7a545b12ed77cc408888e35739f5e64e5812dc9639a9f1d0cf632b489600

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-RC4P6.tmp\is-DQAQU.tmp
Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RC4P6.tmp\is-DQAQU.tmp
Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\cmzGSdYD.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Program Files (x86)\FJCsoftFR\FRec324\FRec324.exe
Filesize
2MB

MD5
b88397571548b8e16545411a836151b9

SHA1
a3d82bdc2087344cd150c805eb749d007dd90042

SHA256
c9a74d6f62d24656aea3293fe7a9fd5329e2972402e5ff533f6e2bb47d0f082a

SHA512
c4e62dd5b1e5a70dbaf5e5841df2a340bec0bcbff63e2e0cb7c4587f2e6ee8fe786e7a545b12ed77cc408888e35739f5e64e5812dc9639a9f1d0cf632b489600

Download Submit
\Users\Admin\AppData\Local\Temp\is-4JH3I.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-4JH3I.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-4JH3I.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-RC4P6.tmp\is-DQAQU.tmp
Filesize
659KB

MD5
63bdf487b26c0886dbced14bab4d4257

SHA1
e3621d870aa54d552861f1c71dea1fb36d71def6

SHA256
ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a

SHA512
b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\cmzGSdYD.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1392-93-0x0000000000400000-0x000000000143D000-memory.dmp

Filesize
16MB

Download
memory/1392-133-0x0000000000400000-0x000000000143D000-memory.dmp

Filesize
16MB

Download
memory/1392-92-0x0000000000400000-0x000000000143D000-memory.dmp

Filesize
16MB

Download
memory/1392-101-0x0000000000400000-0x000000000143D000-memory.dmp

Filesize
16MB

Download
memory/1392-105-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/1392-110-0x0000000000400000-0x000000000143D000-memory.dmp

Filesize
16MB

Download
memory/1684-99-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1684-54-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1684-135-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2040-100-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2040-91-0x0000000003980000-0x00000000049BD000-memory.dmp

Filesize
16MB

Download
memory/2040-134-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2040-109-0x0000000003980000-0x00000000049BD000-memory.dmp

Filesize
16MB

Download
memory/2040-90-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download