08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 07:05

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General

Target

08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe
Size

2.1MB
MD5

66053038103ea3968318845073f7d0e6
SHA1

c23430f802ef286d4b69aa5368a7d59d6e96d740
SHA256

08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445
SHA512

c5543f9d75a07c53d9b6396b935b7ab5a1b6cf90a4956e35db75791b9e25c8e6a73e8fb6476b9d43b9dcde26c5bd1857dea3b7803f1e1c0e2c8b920d56454bf3
SSDEEP

49152:h1Os8NQToNVxbNrInKtDSwSm7CXH9e7RSlSAn5RjFdzgD20XrXTi:h1O1NQUNVxNpSmGX9FdsD20Xa

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3100	sZI8Fyl37Qw4p0q.exe

Loads dropped DLL 3 IoCs

pid	Process
3100	sZI8Fyl37Qw4p0q.exe
1300	regsvr32.exe
4796	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\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\opmjambpibnacffbbolopgmibnciomig\200\manifest.json	sZI8Fyl37Qw4p0q.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\opmjambpibnacffbbolopgmibnciomig\200\manifest.json	sZI8Fyl37Qw4p0q.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\opmjambpibnacffbbolopgmibnciomig\200\manifest.json	sZI8Fyl37Qw4p0q.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\opmjambpibnacffbbolopgmibnciomig\200\manifest.json	sZI8Fyl37Qw4p0q.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\opmjambpibnacffbbolopgmibnciomig\200\manifest.json	sZI8Fyl37Qw4p0q.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\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\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\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	sZI8Fyl37Qw4p0q.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	sZI8Fyl37Qw4p0q.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	sZI8Fyl37Qw4p0q.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\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	sZI8Fyl37Qw4p0q.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll	sZI8Fyl37Qw4p0q.exe
File created	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.dll	sZI8Fyl37Qw4p0q.exe
File opened for modification	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.dll	sZI8Fyl37Qw4p0q.exe
File created	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.tlb	sZI8Fyl37Qw4p0q.exe
File opened for modification	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.tlb	sZI8Fyl37Qw4p0q.exe
File created	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.dat	sZI8Fyl37Qw4p0q.exe
File opened for modification	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.dat	sZI8Fyl37Qw4p0q.exe
File created	C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll	sZI8Fyl37Qw4p0q.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3100	sZI8Fyl37Qw4p0q.exe
3100	sZI8Fyl37Qw4p0q.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 3100	4712	08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe	81
PID 4712 wrote to memory of 3100	4712	08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe	81
PID 4712 wrote to memory of 3100	4712	08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe	81
PID 3100 wrote to memory of 1300	3100	sZI8Fyl37Qw4p0q.exe	82
PID 3100 wrote to memory of 1300	3100	sZI8Fyl37Qw4p0q.exe	82
PID 3100 wrote to memory of 1300	3100	sZI8Fyl37Qw4p0q.exe	82
PID 1300 wrote to memory of 4796	1300	regsvr32.exe	83
PID 1300 wrote to memory of 4796	1300	regsvr32.exe	83

C:\Users\Admin\AppData\Local\Temp\08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe
"C:\Users\Admin\AppData\Local\Temp\08a1fa373af71c73b6dbe5095b5b5e54a6792682a10b570f43f2285edbbfc445.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\sZI8Fyl37Qw4p0q.exe
  .\sZI8Fyl37Qw4p0q.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3100
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1300
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4796

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)\BrrowsereShoop\VmHtfvw8neyhso.dat

Filesize
6KB

MD5
9628fb9cdf1fc7bad91f8a2b0971c89b

SHA1
85efe05aae228e68f082a0b35580568bbbd0e83b

SHA256
aeafcc910c9734e52ae7d9f5d6509693bcd65d15ba3eed5bd87b62fcdd38dd12

SHA512
86811943c21243a7b3dba44924b3dc37443fc1662cf19ff435204fc7ff35283b2f22c6e22bedda8a6fe0a3ebd986f8b1629a109a83ee73204cb750a16773a9e5

Download Submit
C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.dll

Filesize
549KB

MD5
aa482eddd64245769b9350f18fb48387

SHA1
0a78b93b628153ba6c133d3de6c2c28570822b20

SHA256
fb4f5650fed042fc66d19ff0e6126fca8e078542820c24d21fdefb561a55bee8

SHA512
849c02dae5ffd6bb2cec1f6927988ecbb536bb879063efdebaf687ee655e9af21d16d3eb12308f470d50d50edc86c7e93901ad77a05ac19d9f1219098b711120

Download Submit
C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll

Filesize
681KB

MD5
e9475db8431e218fb9e93001a029d450

SHA1
65c9d72f51edaedad5ad5b644578f8f25da68bd0

SHA256
33a7d43f85d41bea61dd46a31d911f1762c945ca031e62d57195f50caa7eb8ea

SHA512
7d19e936ae4227c786dacda35a1bd4bd94a3147403ec04cc4d12ca4af2386e9cb17c6c3000e0360ea5d258ddd0a842d2044e80ddcce4d7117c2b94b0c43bdb11

Download Submit
C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll

Filesize
681KB

MD5
e9475db8431e218fb9e93001a029d450

SHA1
65c9d72f51edaedad5ad5b644578f8f25da68bd0

SHA256
33a7d43f85d41bea61dd46a31d911f1762c945ca031e62d57195f50caa7eb8ea

SHA512
7d19e936ae4227c786dacda35a1bd4bd94a3147403ec04cc4d12ca4af2386e9cb17c6c3000e0360ea5d258ddd0a842d2044e80ddcce4d7117c2b94b0c43bdb11

Download Submit
C:\Program Files (x86)\BrrowsereShoop\VmHtfvw8neyhso.x64.dll

Filesize
681KB

MD5
e9475db8431e218fb9e93001a029d450

SHA1
65c9d72f51edaedad5ad5b644578f8f25da68bd0

SHA256
33a7d43f85d41bea61dd46a31d911f1762c945ca031e62d57195f50caa7eb8ea

SHA512
7d19e936ae4227c786dacda35a1bd4bd94a3147403ec04cc4d12ca4af2386e9cb17c6c3000e0360ea5d258ddd0a842d2044e80ddcce4d7117c2b94b0c43bdb11

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\VmHtfvw8neyhso.dll

Filesize
549KB

MD5
aa482eddd64245769b9350f18fb48387

SHA1
0a78b93b628153ba6c133d3de6c2c28570822b20

SHA256
fb4f5650fed042fc66d19ff0e6126fca8e078542820c24d21fdefb561a55bee8

SHA512
849c02dae5ffd6bb2cec1f6927988ecbb536bb879063efdebaf687ee655e9af21d16d3eb12308f470d50d50edc86c7e93901ad77a05ac19d9f1219098b711120

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\VmHtfvw8neyhso.tlb

Filesize
3KB

MD5
cf57859d4870e1907e52503d4ffcbb7c

SHA1
fb0b87195347f8274e3fa046e0a34c3e57ff1e35

SHA256
273641220fdd65602a2c7034d5365af6fae6fdf5dd78a3f9a0d7c773f4ee7e40

SHA512
955523e6e85438857bddcb7be29f675643855f28ef3600e8b93e6dbb94c5ae961c0dd0f68cb2ae351df52843ccdf919aeb2b62be711180379617fa9b9463f394

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\VmHtfvw8neyhso.x64.dll

Filesize
681KB

MD5
e9475db8431e218fb9e93001a029d450

SHA1
65c9d72f51edaedad5ad5b644578f8f25da68bd0

SHA256
33a7d43f85d41bea61dd46a31d911f1762c945ca031e62d57195f50caa7eb8ea

SHA512
7d19e936ae4227c786dacda35a1bd4bd94a3147403ec04cc4d12ca4af2386e9cb17c6c3000e0360ea5d258ddd0a842d2044e80ddcce4d7117c2b94b0c43bdb11

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
a8532caf7cc375f06b6dca5faac9d7b1

SHA1
8f844f45762cf94a94312cca980e2c187ec381e6

SHA256
003af6f39d82093a8772ae6a8c060eaf50b462e1695b4bbfcb4766cdcd33e149

SHA512
6ac2f3c1f1f5dcb60c2302ec09018aff9a72158f3c9388b2368fdb2416e87dac46d0e4c949ce5ed0386c650f52622658a215a8cc63812774c0641163ce7f5be7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
f4b41f5f100325a0f69d5adf356c45bb

SHA1
e4a794e46d66f8b42935c4d17de85531bcbbb686

SHA256
607e1968f85dd80a000b101e0292ce39eddb10f01f6b719e76503d693a081d3f

SHA512
bd74d2e1feedcffba1c6d19b4dfd346b1b6c7efed585d930ec6cd2dfe5f5e6c50ca98bc6ec67f83719a9e14d616efb806c659f7dde62d86e79018c80f32efdfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\[email protected]\install.rdf

Filesize
604B

MD5
d63004e4d009123dcc214351c22f1c5e

SHA1
b5205c1fe2c3d5729fed5b29423591df2b52c2db

SHA256
a0853526f12fbfed92d4e8d42fbf1bc60881b3a5974c62147785d827311a25ca

SHA512
350d5b5d9c0e976b525f22cda6f90f10a8a76d4f4e5ddfe38ba8978cc19ca00fde110afaeafe019d01f2f00f801ef24a7d0b660a4b55f23d4a3323e5044b18a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\opmjambpibnacffbbolopgmibnciomig\background.html

Filesize
146B

MD5
b80704114a43ef56ea9dd5c1607745c2

SHA1
b23116e815297c4a783d5f207b08e12382f1af08

SHA256
6b238dc17111fc9aed2fb7f42c5b86f7b2d122a2118ade8df0f2c6cdf22851fe

SHA512
a7cb07ef81364c315bea7781f4dd374d877c46008b102e7d8c4fe3905753fc0319285a7b1f3bcf6e05dffabcd4ebaa36332c1c63e4f7ca6e5a83ebe8613ee9d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\opmjambpibnacffbbolopgmibnciomig\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\opmjambpibnacffbbolopgmibnciomig\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\opmjambpibnacffbbolopgmibnciomig\manifest.json

Filesize
506B

MD5
cb60bff43f90b65a41acefe6d9b6acd8

SHA1
c5cb1c0f7a5bc47dba3c23156e4048c0789f0583

SHA256
17c6c7b1d08cba2c0ff3e7c6cae48974271072d80ca5218c787f3dadc9609b81

SHA512
049aecc10c2f2ff3705f28620ee455bb39d7a2a7156de4dc670bcd03d228802b92a2429f161b52976eb759b89db1ed6a14c171f8bd5cc13f21161685d81cd9c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\opmjambpibnacffbbolopgmibnciomig\mjzqb6FHh.js

Filesize
5KB

MD5
87d9c8c455fc0df5b971a48783f2182b

SHA1
1323add92ccc589484b1f72e27e6df9d1cc4a85e

SHA256
f8ddc150f0f0f5aa058c92dfe7c498e5e060d3382dd2970c7fe2d5b5def59f84

SHA512
7ab4ce691dcd89fbbbc67200559cd4030d9313df86ad3918fdb1c5f711bee75ae7e39fac193111e62b0641d07d9b9509fa70b687f8491566dfd039c5cb69084c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\sZI8Fyl37Qw4p0q.dat

Filesize
6KB

MD5
9628fb9cdf1fc7bad91f8a2b0971c89b

SHA1
85efe05aae228e68f082a0b35580568bbbd0e83b

SHA256
aeafcc910c9734e52ae7d9f5d6509693bcd65d15ba3eed5bd87b62fcdd38dd12

SHA512
86811943c21243a7b3dba44924b3dc37443fc1662cf19ff435204fc7ff35283b2f22c6e22bedda8a6fe0a3ebd986f8b1629a109a83ee73204cb750a16773a9e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\sZI8Fyl37Qw4p0q.exe

Filesize
766KB

MD5
eb843f08b06cc5bb0e8bbe9f8aaa0ba6

SHA1
0813518ec2daeb0a49d7ee2c9482150cc0eb1136

SHA256
1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

SHA512
48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS696D.tmp\sZI8Fyl37Qw4p0q.exe

Filesize
766KB

MD5
eb843f08b06cc5bb0e8bbe9f8aaa0ba6

SHA1
0813518ec2daeb0a49d7ee2c9482150cc0eb1136

SHA256
1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

SHA512
48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

Download Submit