gcleaner | ac286eb0952202037306a127334f67323550fc3d276d689c81e6a4ee66752d8c

General

Target

file.exe
Size

1.5MB
MD5

83c0aa4ff5b51fc32781a39e2ec2c6ea
SHA1

bbace8228607fcbc07c36f39bbb1e2c844f50068
SHA256

ac286eb0952202037306a127334f67323550fc3d276d689c81e6a4ee66752d8c
SHA512

cb5f4a75cb3802dc022c4888ef90cd7f4d3deeafc0bdba868bf2c78eba173d736c03ce6ebc0d65b4cd6d633fd476764d24b5df58481dfb6fda49b8d91dd5108e
SSDEEP

24576:220Sx+I9oRYe+qPJZHHXFutH84tYI694pQQgXC75ld1qSVpk:228Q3no91AH8YYx9UQgd1qapk

Score

10^/10

gcleaner discovery loader taggie_berm_you_are_it

Malware Config

Extracted

Family

gcleaner

C2

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

match_everything 16 IoCs

This rule matches all.

taggie_berm_you_are_it

resource	yara_rule
behavioral2/memory/2756-1-0x0000000000400000-0x000000000047D000-memory.dmp	match_everything
behavioral2/files/0x0007000000023225-5.dat	match_everything
behavioral2/files/0x0007000000023225-6.dat	match_everything
behavioral2/memory/4672-7-0x00000000006A0000-0x00000000006A1000-memory.dmp	match_everything
behavioral2/files/0x000600000002322e-14.dat	match_everything
behavioral2/files/0x0006000000023232-48.dat	match_everything
behavioral2/files/0x0006000000023232-49.dat	match_everything
behavioral2/memory/1224-50-0x0000000000400000-0x00000000013C2000-memory.dmp	match_everything
behavioral2/memory/1224-51-0x0000000000400000-0x00000000013C2000-memory.dmp	match_everything
behavioral2/memory/1224-52-0x0000000000400000-0x00000000013C2000-memory.dmp	match_everything
behavioral2/files/0x0006000000023242-55.dat	match_everything
behavioral2/files/0x0006000000023242-56.dat	match_everything
behavioral2/memory/2756-57-0x0000000000400000-0x000000000047D000-memory.dmp	match_everything
behavioral2/memory/4672-58-0x0000000000400000-0x00000000004BD000-memory.dmp	match_everything
behavioral2/memory/4672-59-0x00000000006A0000-0x00000000006A1000-memory.dmp	match_everything
behavioral2/memory/1224-60-0x0000000000400000-0x00000000013C2000-memory.dmp	match_everything

Executes dropped EXE 3 IoCs

pid	Process
4672	file.tmp
1224	MitFiles138.exe
1116	cQ9HvQfkN.exe

Loads dropped DLL 1 IoCs

pid	Process
4672	file.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 17 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Mit Files\language\is-HNVAH.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\Mit Files\unins000.dat	file.tmp
File created	C:\Program Files (x86)\Mit Files\is-37I5R.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\is-3DSSL.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-BTEKV.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\is-FA2AF.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-NC8IM.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-9VG95.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\is-9C8GL.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-LTI5Q.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-SIRBI.tmp	file.tmp
File opened for modification	C:\Program Files (x86)\Mit Files\MitFiles138.exe	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-SHK7E.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\is-IHEGO.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\unins000.dat	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-28SDN.tmp	file.tmp
File created	C:\Program Files (x86)\Mit Files\language\is-R19GL.tmp	file.tmp

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1224	MitFiles138.exe
1224	MitFiles138.exe
1224	MitFiles138.exe
1224	MitFiles138.exe
1224	MitFiles138.exe
1224	MitFiles138.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1224	MitFiles138.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 4672	2756	file.exe	83
PID 2756 wrote to memory of 4672	2756	file.exe	83
PID 2756 wrote to memory of 4672	2756	file.exe	83
PID 4672 wrote to memory of 1224	4672	file.tmp	84
PID 4672 wrote to memory of 1224	4672	file.tmp	84
PID 4672 wrote to memory of 1224	4672	file.tmp	84
PID 1224 wrote to memory of 1116	1224	MitFiles138.exe	86
PID 1224 wrote to memory of 1116	1224	MitFiles138.exe	86
PID 1224 wrote to memory of 1116	1224	MitFiles138.exe	86

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\is-ACND1.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ACND1.tmp\file.tmp" /SL5="$701D6,1335001,483328,C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Program Files (x86)\Mit Files\MitFiles138.exe
    "C:\Program Files (x86)\Mit Files\MitFiles138.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:1224
  - - C:\Users\Admin\AppData\Roaming\{aaddf29f-19de-11ee-b641-806e6f6e6963}\cQ9HvQfkN.exe
      4⤵
      Executes dropped EXE
      PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Mit Files\MitFiles138.exe

Filesize
1.8MB

MD5
80fc0514c83b5e26c06d05b2fbd7ac44

SHA1
41967041535a536b9f2a2960ace668ce115d17db

SHA256
2ed6d9435d0e13540cd4f64a3675546391f9910874108a0935e1421cb964d241

SHA512
abe834c319883b0ef5a1cd8408a58402c862e2214005ed7821eb9f17c5fc97e4d61abd674de19f384bd93c902404f9a18af38706d5f589094533f7fe2460e318

Download Submit
C:\Program Files (x86)\Mit Files\MitFiles138.exe

Filesize
1.8MB

MD5
80fc0514c83b5e26c06d05b2fbd7ac44

SHA1
41967041535a536b9f2a2960ace668ce115d17db

SHA256
2ed6d9435d0e13540cd4f64a3675546391f9910874108a0935e1421cb964d241

SHA512
abe834c319883b0ef5a1cd8408a58402c862e2214005ed7821eb9f17c5fc97e4d61abd674de19f384bd93c902404f9a18af38706d5f589094533f7fe2460e318

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2FGR4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ACND1.tmp\file.tmp

Filesize
695KB

MD5
415533bb40980951c966665cff9e2fe7

SHA1
fce396c8fa01876dd008f22c8be9a9b706f4aaec

SHA256
f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734

SHA512
3a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ACND1.tmp\file.tmp

Filesize
695KB

MD5
415533bb40980951c966665cff9e2fe7

SHA1
fce396c8fa01876dd008f22c8be9a9b706f4aaec

SHA256
f688364bb17f03e53de641e7a0b0efefe30ac155fa9fa414a2150204ed9d3734

SHA512
3a8f88fa83e9f8be96fc9a0e8b47536455f50b1c511210d98fa178444b1e5ad1943cc3000e869f6dba4c782b48a3538d0b52d5e29ce3a692636aefc0e52083ae

Download Submit
C:\Users\Admin\AppData\Roaming\{aaddf29f-19de-11ee-b641-806e6f6e6963}\cQ9HvQfkN.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{aaddf29f-19de-11ee-b641-806e6f6e6963}\cQ9HvQfkN.exe

Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/1224-51-0x0000000000400000-0x00000000013C2000-memory.dmp

Filesize
15.8MB

Download
memory/1224-52-0x0000000000400000-0x00000000013C2000-memory.dmp

Filesize
15.8MB

Download
memory/1224-50-0x0000000000400000-0x00000000013C2000-memory.dmp

Filesize
15.8MB

Download
memory/1224-60-0x0000000000400000-0x00000000013C2000-memory.dmp

Filesize
15.8MB

Download
memory/2756-1-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2756-57-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4672-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/4672-58-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4672-59-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download

Analysis

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