5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4

Analysis

max time kernel
159s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 14:39

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General

Target

5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe
Size

2.1MB
MD5

ed579ca38cb061a11905903057bff483
SHA1

5aac612824fe7389b389c8584c1be4893df5cf4a
SHA256

5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4
SHA512

d110ada4055741ad2718eb3798f8fd12375b6ddb9af149fcc0a02bf42e4442811b8698dbef8145c179d17e2b98324b0e35bd908cbb8976065b971f24a7943674
SSDEEP

49152:h1OsQyuyoY0IKAVWQrQSM5eeHY1h2PlSUQ8Pcim:h1OxgoP9oM5LFe

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4752	HfyT8zJsLDcJsA8.exe

Loads dropped DLL 3 IoCs

pid	Process
4752	HfyT8zJsLDcJsA8.exe
3440	regsvr32.exe
4128	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 Chrome extension 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\onahdkamepcgdcmcilngchcecbaglimb\2.0\manifest.json	HfyT8zJsLDcJsA8.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\onahdkamepcgdcmcilngchcecbaglimb\2.0\manifest.json	HfyT8zJsLDcJsA8.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\onahdkamepcgdcmcilngchcecbaglimb\2.0\manifest.json	HfyT8zJsLDcJsA8.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\onahdkamepcgdcmcilngchcecbaglimb\2.0\manifest.json	HfyT8zJsLDcJsA8.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\onahdkamepcgdcmcilngchcecbaglimb\2.0\manifest.json	HfyT8zJsLDcJsA8.exe

Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	HfyT8zJsLDcJsA8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	HfyT8zJsLDcJsA8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	HfyT8zJsLDcJsA8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	HfyT8zJsLDcJsA8.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dat	HfyT8zJsLDcJsA8.exe
File opened for modification	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dat	HfyT8zJsLDcJsA8.exe
File created	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll	HfyT8zJsLDcJsA8.exe
File opened for modification	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll	HfyT8zJsLDcJsA8.exe
File created	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dll	HfyT8zJsLDcJsA8.exe
File opened for modification	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dll	HfyT8zJsLDcJsA8.exe
File created	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.tlb	HfyT8zJsLDcJsA8.exe
File opened for modification	C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.tlb	HfyT8zJsLDcJsA8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4752	3420	5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe	79
PID 3420 wrote to memory of 4752	3420	5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe	79
PID 3420 wrote to memory of 4752	3420	5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe	79
PID 4752 wrote to memory of 3440	4752	HfyT8zJsLDcJsA8.exe	80
PID 4752 wrote to memory of 3440	4752	HfyT8zJsLDcJsA8.exe	80
PID 4752 wrote to memory of 3440	4752	HfyT8zJsLDcJsA8.exe	80
PID 3440 wrote to memory of 4128	3440	regsvr32.exe	81
PID 3440 wrote to memory of 4128	3440	regsvr32.exe	81

C:\Users\Admin\AppData\Local\Temp\5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe
"C:\Users\Admin\AppData\Local\Temp\5c3f7e9a62a283ff743139d8746c3e8e03e4884bc67b4d0a366a7215e3aeb4a4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe
  .\HfyT8zJsLDcJsA8.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3440
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4128

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dat

Filesize
6KB

MD5
71df68b363f5e8407eeda1a0e704a4dd

SHA1
ddf8ced4a60aa59b2218fbcdb97811a4d9c6c211

SHA256
f14db66976b26301d868f887e0ffcd75543181c0187d99d491078e8f169c0274

SHA512
869cabd1d8191e5c34878d3ce22772165cbc41e1d4d3d8a40bf092ae23c3c83cc889a2b8052791ca0e4193cee854e1d8a068053d748c643b20c7a7a5b3ffa527

Download Submit
C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSavee\16IWwDzgi49dBj.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.tlb

Filesize
3KB

MD5
52acf269931e562ad7445f7a803bd5e3

SHA1
ef86bb5f96b2bba4c85a73efef5df4a08ab99031

SHA256
bc29a9426767cb54f6f11ea9d457613f858aa0d0e33137ab8ad1f53ff601d8f2

SHA512
545cc433a340e0b6ef70c92ab7854058222bb76385fb4027f1cc174a0baececb48c8e04ea83e9387d2c664505d4dd3799d41512e06c3ec5b4e32d0bf4a84668b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\16IWwDzgi49dBj.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.dat

Filesize
6KB

MD5
71df68b363f5e8407eeda1a0e704a4dd

SHA1
ddf8ced4a60aa59b2218fbcdb97811a4d9c6c211

SHA256
f14db66976b26301d868f887e0ffcd75543181c0187d99d491078e8f169c0274

SHA512
869cabd1d8191e5c34878d3ce22772165cbc41e1d4d3d8a40bf092ae23c3c83cc889a2b8052791ca0e4193cee854e1d8a068053d748c643b20c7a7a5b3ffa527

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\HfyT8zJsLDcJsA8.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
d07726b6d7fe1162695c234585bb1a5c

SHA1
eea695dccbccc37baf8dfe491152e583a8b5e163

SHA256
f4e3906ab3068a16de1123158800d64feebf03184b1def37a35f0f71385143f5

SHA512
e119e3fb6de2de19526655fc953c1c0d3c3e651efdae19e4d3361655a5df4f5b35f87bb2280b8ff634c0aa19fd85abddb26dad9e04b684d8d9c4235c531150d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
cf485e67d4205a4b8d917b9246f9d168

SHA1
2d738fcd2ba1580e27142288aa2396657e1d50f1

SHA256
5a0d279ba09cb12b4d89c0ed04f81e016b0299b202ed32d8a4e8b5edb3b7ee11

SHA512
d8b69e44583e3568ff88ddaa8740fbdf8da6fa8d5d21bf8e66fa5c569544d4b267efc475bec1e7bf68ebd546cf57223f3fba76adc1121b3d0dcedd71d7e8b945

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\[email protected]\install.rdf

Filesize
594B

MD5
8a8d1006ed754cbd21e0d2e97a1a59da

SHA1
420bbcd1b277dac654894c93d36a36230a317d3b

SHA256
c79b8ba005d780f1b8633108c3a102204515de22eaba1be8d91085aaa8caa38f

SHA512
da9dd27a8bcb51f3aca9da7a1a5670db4a3ab12e456eca085f6be3299ba5728fee338ed53e1208f792573e337889256eac044158f88add13c0dac02f250ba5dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\background.html

Filesize
144B

MD5
e8b6ce937c5f652a6fa394d88dd05ff6

SHA1
a65110a56a9cdffdfbc9ded4b6febbd40f98758a

SHA256
23c1492da26ea9fa1a1445afbdc808e64c15077fbb41320e0b139957892a9046

SHA512
481b04d126f75781be2542f6f03583bb020dd1e5a693b769b73ba15a248501bd397c621015e7ec03dc738423788573405e13cca66ffbd03d7470b813991cbbe1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\manifest.json

Filesize
499B

MD5
5e163ab7a380e500fd8fba83656fc81d

SHA1
82d0120edd810dc9a3abe2c6e521f003cce37db9

SHA256
12510ebb4212d6237a973c11c0f3ae5e21e746ab51f7dbbab7284eb4f802c0a1

SHA512
3fc93afc937c5589df9d93c2cc9faf83ca67495cb7772c3a4f7e0e1b609f3db6a458d8ee0f751f7b26df60e121a006e53d9b20829152d8bed4ebfe0e2ce86c32

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB49F.tmp\onahdkamepcgdcmcilngchcecbaglimb\q16IVYC.js

Filesize
5KB

MD5
1a31263e204ec2be91087cf1f3ed3fd1

SHA1
fecde44682463d9cc8fe949b7b5bc2c705573d48

SHA256
31256ad5673c51083e8b66766e893805933bf54a853198bbc665fbd021ba26fc

SHA512
44d1b600545c30fcba71d500bac32817fd0256aeb3c4ebf2573ce4501394f88d601cba4d9b709aa48dc5fe0286c07c17bc71c1874fe67ebfd7cecfbf6a9295a2

Download Submit