6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 05:05

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General

Target

6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe
Size

2.1MB
MD5

1dbc31e157e8a783b78f534785ec0c25
SHA1

6aa56c88422b45dbf7b1c11d5b9510bf68f2a202
SHA256

6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e
SHA512

b8a58f492e4a86cd3ac7451036bb5a61262e9ef71b6c454296b91da5bee31b1a4d446ce31089db91da9044b19a1bdc419b509164f6c8ce0abcdd0591b5967dc9
SSDEEP

24576:h1OYdaOGGiAEAd/KjjBKyu73i8mxcmMMV6zs+G/pC2d1RJoTJnQqphTuS2MD3GvE:h1OsJMAd/OxfV6zZGYg1RJQnFrTc2SW

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1884	fSp9E2cZvweldbh.exe

Loads dropped DLL 3 IoCs

pid	Process
1884	fSp9E2cZvweldbh.exe
3520	regsvr32.exe
3436	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\jaemggpohklfiiagmcfifhpohppkochp\2.0\manifest.json	fSp9E2cZvweldbh.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\jaemggpohklfiiagmcfifhpohppkochp\2.0\manifest.json	fSp9E2cZvweldbh.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jaemggpohklfiiagmcfifhpohppkochp\2.0\manifest.json	fSp9E2cZvweldbh.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\jaemggpohklfiiagmcfifhpohppkochp\2.0\manifest.json	fSp9E2cZvweldbh.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\jaemggpohklfiiagmcfifhpohppkochp\2.0\manifest.json	fSp9E2cZvweldbh.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}	fSp9E2cZvweldbh.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	fSp9E2cZvweldbh.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	fSp9E2cZvweldbh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	fSp9E2cZvweldbh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.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\{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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	fSp9E2cZvweldbh.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	fSp9E2cZvweldbh.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	fSp9E2cZvweldbh.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	fSp9E2cZvweldbh.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll	fSp9E2cZvweldbh.exe
File created	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.dll	fSp9E2cZvweldbh.exe
File opened for modification	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.dll	fSp9E2cZvweldbh.exe
File created	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.tlb	fSp9E2cZvweldbh.exe
File opened for modification	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.tlb	fSp9E2cZvweldbh.exe
File created	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.dat	fSp9E2cZvweldbh.exe
File opened for modification	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.dat	fSp9E2cZvweldbh.exe
File created	C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll	fSp9E2cZvweldbh.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1884	fSp9E2cZvweldbh.exe
1884	fSp9E2cZvweldbh.exe
1884	fSp9E2cZvweldbh.exe
1884	fSp9E2cZvweldbh.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1884	1088	6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe	80
PID 1088 wrote to memory of 1884	1088	6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe	80
PID 1088 wrote to memory of 1884	1088	6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe	80
PID 1884 wrote to memory of 3520	1884	fSp9E2cZvweldbh.exe	85
PID 1884 wrote to memory of 3520	1884	fSp9E2cZvweldbh.exe	85
PID 1884 wrote to memory of 3520	1884	fSp9E2cZvweldbh.exe	85
PID 3520 wrote to memory of 3436	3520	regsvr32.exe	86
PID 3520 wrote to memory of 3436	3520	regsvr32.exe	86

C:\Users\Admin\AppData\Local\Temp\6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe
"C:\Users\Admin\AppData\Local\Temp\6f5f3586dc9a2588b67d29c0fedc54499272a0d55c7a3c480d91de7e638b401e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\fSp9E2cZvweldbh.exe
  .\fSp9E2cZvweldbh.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3520
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3436

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4716

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2784

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)\GoSiave\Hj7FT96D1dzswj.dat

Filesize
6KB

MD5
b1ceaa501c0e4963eeeedc6cbccac23a

SHA1
db04a8c15aa4c7800e6e8bcda0e4995bc85056a5

SHA256
d86210a5e9f8e410ae278e86da98ae566b560ac5942ae11d3dca55d0fe78c36d

SHA512
9145bfd2e4e61a40d370d6e75f450502ea690beee3b43e8bade22f163bd279fe57dbccca9bc1b6672c2e37601c0b48ebe593dd7d67982e834113bab7365d874f

Download Submit
C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.dll

Filesize
619KB

MD5
4f328f4e17a2c81830aac4c8c3d67141

SHA1
063c8e33d6a263dd604d072ffd143305f6c3d4a8

SHA256
303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

SHA512
d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

Download Submit
C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\GoSiave\Hj7FT96D1dzswj.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\Hj7FT96D1dzswj.dll

Filesize
619KB

MD5
4f328f4e17a2c81830aac4c8c3d67141

SHA1
063c8e33d6a263dd604d072ffd143305f6c3d4a8

SHA256
303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

SHA512
d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\Hj7FT96D1dzswj.tlb

Filesize
3KB

MD5
62cb4133d9d3a46f4f1c6c0fb3688619

SHA1
feaaef6e2b8c41be2575d0763cc8de3e8c19478e

SHA256
3ddcfb4b206fc4856f5bb5c06bcc3761dde53882eea20b5dc5ddf4ee8864bea5

SHA512
cb30dc73d52eb502f745fe32b4055b53306f62f0847cae1275d0856608949ea62c30f40d7f252ad450909a4bd425cf0e50012400175cc42a4096cf1451d90123

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\Hj7FT96D1dzswj.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\fSp9E2cZvweldbh.dat

Filesize
6KB

MD5
b1ceaa501c0e4963eeeedc6cbccac23a

SHA1
db04a8c15aa4c7800e6e8bcda0e4995bc85056a5

SHA256
d86210a5e9f8e410ae278e86da98ae566b560ac5942ae11d3dca55d0fe78c36d

SHA512
9145bfd2e4e61a40d370d6e75f450502ea690beee3b43e8bade22f163bd279fe57dbccca9bc1b6672c2e37601c0b48ebe593dd7d67982e834113bab7365d874f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\fSp9E2cZvweldbh.exe

Filesize
623KB

MD5
cd6bf363f5af45a16926343310023db4

SHA1
e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

SHA256
bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

SHA512
3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\fSp9E2cZvweldbh.exe

Filesize
623KB

MD5
cd6bf363f5af45a16926343310023db4

SHA1
e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

SHA256
bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

SHA512
3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\jaemggpohklfiiagmcfifhpohppkochp\BDa7RNz.js

Filesize
6KB

MD5
9c73e2b834f224472983705e7b871905

SHA1
3d368d346affa647809ac2eb490700b636fdd3c4

SHA256
e45183df53f29b6d429d79003ae3aaf10ac166d054d4b8d92dcb7f0ec0fee61c

SHA512
02c85e327c4505de01453b8074505261e182ef46bc177afd01478d82acab6d12573eb99f3c7ee2090b117a9b66044c542fdce27bd11d33dcc05070f35f92076f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\jaemggpohklfiiagmcfifhpohppkochp\background.html

Filesize
144B

MD5
b4cdedd56b55443042c6d6a4d14ca45c

SHA1
d7f2287bd66be34f266ecda40ce6105677931f32

SHA256
656000cc3789b4b02b2ece831bf03205cff587618a0e8e91fc9acbea0c523eb9

SHA512
0b1dacb80ecd47696e212cdbf84c898c2bc58ef86fe5401744d32c0fd08fa5e36bb780af1cb3f11a023cc1efcbba7659078b16b63cfb723f17faa645dbafa952

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\jaemggpohklfiiagmcfifhpohppkochp\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\jaemggpohklfiiagmcfifhpohppkochp\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\jaemggpohklfiiagmcfifhpohppkochp\manifest.json

Filesize
499B

MD5
866e59ce4292605efb1956f5f322e4f5

SHA1
916cd9818f80b63a11a39a6456a5a9c9b8b62473

SHA256
e3641913f13e083faf248b9d2aa98cef4ef2b47c3f3f402b9f8d20e1fcb35d59

SHA512
c2704e7378fa7f09aee17e2d3707b5f9e5145bfeb92ed2165a313a4b80d0016a84539008212daafae2b61f31d58c8b0407ba9f20d9eba80e6ecafeaaa0cc0868

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
9b752762e3a4b031461f3365c7fe1aa3

SHA1
981abc7f77ffc15ee2fe8faf3f14902a09dcb3d3

SHA256
3a2e4f50a32a3ce60038635c77c8f4f6ef725bc288c7d33de0fb0c97a94364b7

SHA512
3a324c5fe971069a5e9669bda7442d4dcb5bb8882e0e8d4bce16ab084ba379307834ff741b5f57fe9725bbeed7f913c7eb42726c302a3b4807f22293845e9cac

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\[email protected]\content\bg.js

Filesize
8KB

MD5
65402370e4d030d00a93690e797d7990

SHA1
488a1d7bf12d8c998385284070bd7d8c113c809a

SHA256
7baa933e391f3eec2b6ab24805b421c4d6b293b993c12e8d3202f5396138d804

SHA512
9dc544740c65ea9a6e9c6dcbc2b871be7554f6e41497607b2849454bfcf4a1e81d4c7e2b974c903d2ca83fdd0105d146a7743dcd3f8dbb1a36cf066315f90bc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7256.tmp\[email protected]\install.rdf

Filesize
593B

MD5
c104fe2afcd3e4c87f60f839bb80088b

SHA1
1e051e0f161373d2f51f85fb6deb0fbdaaafcb71

SHA256
5f68d2d097242f2bd522cc345b876bae1ab91872f21550cb94bd2cab01ef4714

SHA512
24fa3a5d4943a3da945ec488709641966db58bfa5eadeddf940c3bf3ec0070e84c1e00a584942479b68627d3179fd69f163f0395aa820a800594cd0561d8f20f

Download Submit