8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f

Analysis

max time kernel
123s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 05:00

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General

Target

8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe
Size

2.1MB
MD5

12807cc0deace4e091db537f3361971d
SHA1

8071f5758003cfb7bf97c963c99da2e174efa5c6
SHA256

8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f
SHA512

e3ecc58cccb0d8a6d1f64d6da9084b424d83ce9793e1de22321ecd89d35021d5eede1a313d2df32f2580a3ce2c4136ee53efc31856a4216b45dbc9fa59bb018d
SSDEEP

24576:h1OYdaOxGiAEAd/KjjBKyu73i8mxcmMMV6zs+G/pC2d1RJoTJnQqphTuS2MD3GvG:h1OsiMAd/OxfV6zZGYg1RJQnFrTc2Sk

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4040	xrWaIgm8T5Pv2Qv.exe

Loads dropped DLL 3 IoCs

pid	Process
4040	xrWaIgm8T5Pv2Qv.exe
3700	regsvr32.exe
4912	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\bjahhlhdamgllcpgdjhgbpmajpiinlen\2.0\manifest.json	xrWaIgm8T5Pv2Qv.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bjahhlhdamgllcpgdjhgbpmajpiinlen\2.0\manifest.json	xrWaIgm8T5Pv2Qv.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\bjahhlhdamgllcpgdjhgbpmajpiinlen\2.0\manifest.json	xrWaIgm8T5Pv2Qv.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bjahhlhdamgllcpgdjhgbpmajpiinlen\2.0\manifest.json	xrWaIgm8T5Pv2Qv.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\bjahhlhdamgllcpgdjhgbpmajpiinlen\2.0\manifest.json	xrWaIgm8T5Pv2Qv.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\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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	xrWaIgm8T5Pv2Qv.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	xrWaIgm8T5Pv2Qv.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	xrWaIgm8T5Pv2Qv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	xrWaIgm8T5Pv2Qv.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\{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

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	xrWaIgm8T5Pv2Qv.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	xrWaIgm8T5Pv2Qv.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll	xrWaIgm8T5Pv2Qv.exe
File created	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dll	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dll	xrWaIgm8T5Pv2Qv.exe
File created	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.tlb	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.tlb	xrWaIgm8T5Pv2Qv.exe
File created	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dat	xrWaIgm8T5Pv2Qv.exe
File opened for modification	C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dat	xrWaIgm8T5Pv2Qv.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4040	xrWaIgm8T5Pv2Qv.exe
4040	xrWaIgm8T5Pv2Qv.exe
4040	xrWaIgm8T5Pv2Qv.exe
4040	xrWaIgm8T5Pv2Qv.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 4040	4572	8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe	81
PID 4572 wrote to memory of 4040	4572	8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe	81
PID 4572 wrote to memory of 4040	4572	8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe	81
PID 4040 wrote to memory of 3700	4040	xrWaIgm8T5Pv2Qv.exe	84
PID 4040 wrote to memory of 3700	4040	xrWaIgm8T5Pv2Qv.exe	84
PID 4040 wrote to memory of 3700	4040	xrWaIgm8T5Pv2Qv.exe	84
PID 3700 wrote to memory of 4912	3700	regsvr32.exe	85
PID 3700 wrote to memory of 4912	3700	regsvr32.exe	85

C:\Users\Admin\AppData\Local\Temp\8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe
"C:\Users\Admin\AppData\Local\Temp\8fb1c183032cfdb44270837d4750c35fa3f5a66f8955b8525f5f6d6ec48cab6f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe
  .\xrWaIgm8T5Pv2Qv.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:4040
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3700
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4912

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4728

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4500

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

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Downloads

C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dat

Filesize
7KB

MD5
f2f684081d25e641af868722e06d59da

SHA1
c185dc353974a1e52fa7d73c81d0f964773a3b55

SHA256
42d62eaff72966559e5f009e14d608aae024ec0f56b053f6d2c4f8f68c6732c8

SHA512
e9c1ea49aafc76893e4e264a0df09ac5f79d74518faa6314064de0fc320150e77800ab7cd4785a75058a261415330cc5cc2654a68094b785f5d226f631260e3f

Download Submit
C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.dll

Filesize
619KB

MD5
4f328f4e17a2c81830aac4c8c3d67141

SHA1
063c8e33d6a263dd604d072ffd143305f6c3d4a8

SHA256
303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

SHA512
d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

Download Submit
C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Program Files (x86)\GooSavve\Sie7JZQQLvfsqE.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
5685cb977e0234682e238be6f729481f

SHA1
ec9609775c30beaca688b97eef248af6341eb8e0

SHA256
6c9a4e08396d2e2deee27d92a044b223d65a0541176c23069e0390c34896bea5

SHA512
fed5f202e1ff38ba31529cea8852c861ef817647c79776f01a08f5cbfbd7b4cbf0df2803abe4bced4cbca8241db530a65cf79a8581cd87c021b178f27ef2c8d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\content\bg.js

Filesize
9KB

MD5
65c1a14e926fc6432d8d2e973128f623

SHA1
8adb232a6a7458f07fdf0e0cf7b813367a3d5c71

SHA256
c3db8505f3a1cae7097f2e1cbfdedb5698c4295985d326e27a5650368204de2c

SHA512
27223bf76d7e58649cc13656e74936d090e708103161a319ccdc49bc63160f849bacaacb74736e33a4b487f36d2b1acfdd46b4422f4ab1ef502dd733176d075b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\[email protected]\install.rdf

Filesize
592B

MD5
4edacebed95a1e111dbba17474dc1467

SHA1
83996a6807092e0a281ff69ee78b84b59b39e888

SHA256
4a26202175eb70f348eb4caff3ac7ab4e3f991ad75b87db91621b00cb065db83

SHA512
6ede5a8b220114bf97f41376fc3a274ec579e1244e75f49e1286fbd3feb2c522c5496a143440c8a841262c3906f2c611106f7dd19c76b01b2a370d6d53b0d7a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.dll

Filesize
619KB

MD5
4f328f4e17a2c81830aac4c8c3d67141

SHA1
063c8e33d6a263dd604d072ffd143305f6c3d4a8

SHA256
303917029755e7a44a6e7392c5e751e4fbcb66feaa8a5f09142efaf5a91ad2fc

SHA512
d387cf9ee95426717be8bac7a6cd422b8ddc2aa925723a9b25a169d9b4a0f5cb5607e2f2b8161cadb0e4333d1fda4ba24ecb838dbb49571d55a6799efce404c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.tlb

Filesize
3KB

MD5
62cb4133d9d3a46f4f1c6c0fb3688619

SHA1
feaaef6e2b8c41be2575d0763cc8de3e8c19478e

SHA256
3ddcfb4b206fc4856f5bb5c06bcc3761dde53882eea20b5dc5ddf4ee8864bea5

SHA512
cb30dc73d52eb502f745fe32b4055b53306f62f0847cae1275d0856608949ea62c30f40d7f252ad450909a4bd425cf0e50012400175cc42a4096cf1451d90123

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\Sie7JZQQLvfsqE.x64.dll

Filesize
702KB

MD5
1287246338d36f26f77735bd58d74e70

SHA1
aabda37cd307e50f2444c73bd656eaf2b78fc291

SHA256
4d1d5893df770fc7c94b33c90f87f8cc8b9d7669f4f914df9139ddb22042acc1

SHA512
ee4177dbd58c1327ea0334e43499e99cea642d458844b589116d147d72a6f71e063fe5dadbe262a7bca7cf0ba7ec48708e64827b513abc3e46144bcfcc6f46f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\D5HtiqH9.js

Filesize
7KB

MD5
34af37e3822815def058b948b10b357d

SHA1
4715dbfcde112712bd1eec549f8f8186ed77edbe

SHA256
0acc00da9df63d78e8a438f9db0d4a2b57535bc5883672d541274e84d4b8251d

SHA512
fd108a5b92ed9ac9c663ffdd240e6e912ec65b9ebc9a37f656c8d7c50224d68adb7822ab8f9a158e7e05bbb503a2f055fc8a3ef6dc2f3c1677ceddbc5d78e3bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\background.html

Filesize
145B

MD5
c724de9d771b014ae11b8d968b368c2f

SHA1
907f877eeb700cebdf3151fc28c64c978edba586

SHA256
50c5736f83a3e4d90567f1411f35eac4dfce866ff3238e77a7933579223a989c

SHA512
b38e611c63dc2c3d10abc92aa1047a730004ccbca52169860a1588a0c62e62f724d1e00cd7c129ac3406f03cff438a0fb383e354258d59aa8d45e2dd02d4cf90

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\bjahhlhdamgllcpgdjhgbpmajpiinlen\manifest.json

Filesize
500B

MD5
934257febf417c3c69c6f2714e742f7b

SHA1
49b71edf22d0e4088f366e81557f11c48cd2f09f

SHA256
93cad0c0d4d12604e97215ae8d4b9ee351e1b2f3fc287f7c132ed7013bff2066

SHA512
7550c9fdedc7488e44af8dd4ec040cfba5ad97452f99041dd727ee7ae52683bacff59b6cd658f4cd32a567ec5f552b652c89d498e0dd6245a5989bed81f84c76

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.dat

Filesize
7KB

MD5
f2f684081d25e641af868722e06d59da

SHA1
c185dc353974a1e52fa7d73c81d0f964773a3b55

SHA256
42d62eaff72966559e5f009e14d608aae024ec0f56b053f6d2c4f8f68c6732c8

SHA512
e9c1ea49aafc76893e4e264a0df09ac5f79d74518faa6314064de0fc320150e77800ab7cd4785a75058a261415330cc5cc2654a68094b785f5d226f631260e3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe

Filesize
623KB

MD5
cd6bf363f5af45a16926343310023db4

SHA1
e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

SHA256
bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

SHA512
3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS9FEE.tmp\xrWaIgm8T5Pv2Qv.exe

Filesize
623KB

MD5
cd6bf363f5af45a16926343310023db4

SHA1
e5bcbe9735e5a8d6243af1c2a4593784e8e63aa6

SHA256
bfa98e4e677c8bcb7348aed64d51915e3bacb05925d0234e646e2bb7cc3cdd06

SHA512
3ccb2c4ea143ac58d4df43751bf1c8781795b2321f3acb5d85a0249e4b43c1bf3f93c41c0c59cc2933b923069340a3f7425e9ddce1d7355e60eec843d9158ced

Download Submit