gcleaner | 3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

max time kernel
1793s
max time network
1834s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 02:47

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General

Target

0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe
Size

2.4MB
MD5

7e5e288607447a41931025d1f79760ae
SHA1

4ad9a21318ce3c9150b16d1c7d4acef655eb86bf
SHA256

0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877
SHA512

7738b15725bab95d16f949f0dc8cc2e9b9c61936d8b3a54a932fb6dd3f0ab38bc21c8f484395eaaa2686d397e22032f6b681c3920721faa04f5663d20c3da083
SSDEEP

49152:Z20nrOjMNC7wlZ6+3WddBI6crIdYnX5oCmG1YQV0REpLgfNcA5hq:MAOjM4wlQCWfBINsADvV0R2gf1Dq

Score

10^/10

gcleaner discovery loader

Malware Config

Extracted

Family

gcleaner

45.139.105.171

85.31.46.167

107.182.129.235

171.22.30.106

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Executes dropped EXE 2 IoCs

pid	Process
3060	is-38J90.tmp
5032	etsearcher58.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	is-38J90.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

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\etSearcher\unins000.dat	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-EC35G.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-DONRP.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-3PVMK.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-UT4K0.tmp	is-38J90.tmp
File opened for modification	C:\Program Files (x86)\etSearcher\unins000.dat	is-38J90.tmp
File opened for modification	C:\Program Files (x86)\etSearcher\etsearcher58.exe	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-GJNRG.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-P7FFL.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-FSPR6.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-96R4B.tmp	is-38J90.tmp
File created	C:\Program Files (x86)\etSearcher\is-E0TCF.tmp	is-38J90.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-38J90.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	etsearcher58.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5032	etsearcher58.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3060	2232	0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe	85
PID 2232 wrote to memory of 3060	2232	0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe	85
PID 2232 wrote to memory of 3060	2232	0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe	85
PID 3060 wrote to memory of 5032	3060	is-38J90.tmp	86
PID 3060 wrote to memory of 5032	3060	is-38J90.tmp	86
PID 3060 wrote to memory of 5032	3060	is-38J90.tmp	86

C:\Users\Admin\AppData\Local\Temp\0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe
"C:\Users\Admin\AppData\Local\Temp\0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\is-8ODJC.tmp\is-38J90.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8ODJC.tmp\is-38J90.tmp" /SL4 $E0052 "C:\Users\Admin\AppData\Local\Temp\0e3bb95b7ba92dadc59985e6b0d1a75db091d6ca03f755fca34437398217f877.exe" 2300725 52736
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Program Files (x86)\etSearcher\etsearcher58.exe
    "C:\Program Files (x86)\etSearcher\etsearcher58.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\etSearcher\etsearcher58.exe

Filesize
3.9MB

MD5
2027fe7818f302aec4a107b40fecc633

SHA1
d5afb481cecc4d57b18ccf25ef343d24cb29759a

SHA256
455e3df65da7b72563cada4ca51b14706615fcf69eb57d36a39f151833eadc17

SHA512
47bdbe9a965bb431eefd224a3bc7e1e8ad7e8b7568618c67675c4ffab49c098adb7f803317e05718f4c9bfc7de8a95db11971096f02e56c78cd08d2d96a23f6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3PM25.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8ODJC.tmp\is-38J90.tmp

Filesize
657KB

MD5
7cd12c54a9751ca6eee6ab0c85fb68f5

SHA1
76562e9b7888b6d20d67addb5a90b68b54a51987

SHA256
e82cabb027db8846c3430be760f137afa164c36f9e1b93a6e34c96de0b2c5a5f

SHA512
27ba5d2f719aaac2ead6fb42f23af3aa866f75026be897cd2f561f3e383904e89e6043bd22b4ae24f69787bd258a68ff696c09c03d656cbf7c79c2a52d8d82cc

Download Submit
memory/2232-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2232-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3060-13-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3060-45-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/5032-40-0x0000000000400000-0x00000000015F3000-memory.dmp

Filesize
17.9MB

Download
memory/5032-41-0x0000000000400000-0x00000000015F3000-memory.dmp

Filesize
17.9MB

Download
memory/5032-42-0x0000000000400000-0x00000000015F3000-memory.dmp

Filesize
17.9MB

Download
memory/5032-46-0x0000000000400000-0x00000000015F3000-memory.dmp

Filesize
17.9MB

Download