eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9

Analysis

max time kernel
60s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 20:38

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General

Target

eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe
Size

2.1MB
MD5

4cb5e34fbb6f0961df53614a40afecac
SHA1

23fdbf476b766b443efe8b60205823cb978c8303
SHA256

eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9
SHA512

bb1a486473da026584fa41927f8444d5220f3496b8596ddeefdc819f1c2f4536e3b19f54cfeecb7cebc9963c07b491aded4ec61d4355de7bdabcbef00dab6e82
SSDEEP

49152:h1Os1hvaZG1MVEtzijkTvu2x/uw4B8FHFF6d:h1OivaxMziy3y

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1984	r8s8qTj76m1izhd.exe

Loads dropped DLL 3 IoCs

pid	Process
1984	r8s8qTj76m1izhd.exe
3304	regsvr32.exe
4668	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\cpdnoopiiiijhhnkcpeblbjmpaikiebk\1.0\manifest.json	r8s8qTj76m1izhd.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpdnoopiiiijhhnkcpeblbjmpaikiebk\1.0\manifest.json	r8s8qTj76m1izhd.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpdnoopiiiijhhnkcpeblbjmpaikiebk\1.0\manifest.json	r8s8qTj76m1izhd.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpdnoopiiiijhhnkcpeblbjmpaikiebk\1.0\manifest.json	r8s8qTj76m1izhd.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\cpdnoopiiiijhhnkcpeblbjmpaikiebk\1.0\manifest.json	r8s8qTj76m1izhd.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}	r8s8qTj76m1izhd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	r8s8qTj76m1izhd.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	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\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	r8s8qTj76m1izhd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	r8s8qTj76m1izhd.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 opened for modification	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.tlb	r8s8qTj76m1izhd.exe
File created	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dat	r8s8qTj76m1izhd.exe
File opened for modification	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dat	r8s8qTj76m1izhd.exe
File created	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll	r8s8qTj76m1izhd.exe
File opened for modification	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll	r8s8qTj76m1izhd.exe
File created	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dll	r8s8qTj76m1izhd.exe
File opened for modification	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dll	r8s8qTj76m1izhd.exe
File created	C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.tlb	r8s8qTj76m1izhd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 1984	3736	eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe	82
PID 3736 wrote to memory of 1984	3736	eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe	82
PID 3736 wrote to memory of 1984	3736	eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe	82
PID 1984 wrote to memory of 3304	1984	r8s8qTj76m1izhd.exe	83
PID 1984 wrote to memory of 3304	1984	r8s8qTj76m1izhd.exe	83
PID 1984 wrote to memory of 3304	1984	r8s8qTj76m1izhd.exe	83
PID 3304 wrote to memory of 4668	3304	regsvr32.exe	84
PID 3304 wrote to memory of 4668	3304	regsvr32.exe	84

C:\Users\Admin\AppData\Local\Temp\eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe
"C:\Users\Admin\AppData\Local\Temp\eac1fd50499392c1e00c928b94cce66222ad45fc05e108370ff8ccc5fb4ccbe9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3736
- C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\r8s8qTj76m1izhd.exe
  .\r8s8qTj76m1izhd.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:1984
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3304
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:4668

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)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dat

Filesize
6KB

MD5
57de5d9e60958dcdc64ba4e8f8918280

SHA1
b6f7e65b9571065e6c2389bdda82dd12551567a5

SHA256
d21bf3fc93ecbaac2ee630f73a6ced0e3f734142056155dbf0cea7c9b67f518c

SHA512
a85b03ab16062fb057206a313975c6fd6560911e1f23e08d4ddbed46641ab9e3c59618e1e5547795afe80b3b8c11fbee72839dbe51207fdb9e7ec04342931313

Download Submit
C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Program Files (x86)\YouutUbeAdBllocke\D4IuSLLUbw2LfF.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
58b42c240a3b1c921ed03cbe0ce7dafc

SHA1
5cc0c0d7a966d052f62ae86a4175730ca818abae

SHA256
90d1b7f06a95d97b04b9b0754abfc43c93ea225eb58f5ab61171a68669ce1f64

SHA512
60c80f2506b4d5aab7a4042b55ee227d650c31aa393b39d80377e9b9ef06f4011996892be1fc2251aac91d4a7c8e8e6f9207247e202df51f845d8fae5a4ff835

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
b8f7079a2002e91244a9edd6cc86afd1

SHA1
fc64c8076d28c50812017104b249d35fb80cae11

SHA256
535ef95cec3c5643f06abf6bce3fb810e484197def9e6744fd3dbb5ccac6da53

SHA512
8b1887390c358e5837dd7ac612d1d0df58f5323d49c57352d59941aee9bd248b49b282ed5e11eb7e2324c45f8948cce0be474ea332293a77f35e2b2ed64d16b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\[email protected]\install.rdf

Filesize
602B

MD5
afb151ecf49ed7bf55535a6dd28656e3

SHA1
5ac8298799ae843a47b3332adfd6e602dac4aaf2

SHA256
abc0f9d0fe57d65ae01da7737dd5421271886f5396af2cc56fdd48b68e180084

SHA512
a9e25e3495070b6e9f44be42dcb045a2647fe74be20a87d6d5826a7f644ce9e8061a5151258462758520e26aba66e495787f78cd9bad0445af2d81f9d9035312

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\D4IuSLLUbw2LfF.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\D4IuSLLUbw2LfF.tlb

Filesize
3KB

MD5
8af6f42a5b16ced04702514d47052053

SHA1
f06e43c9710e27b38063652217874f6fc8515ea0

SHA256
0fc752f18e2f21a6d0b45fb9769deefe70d4690e72225037a37d1dc0553ae8ed

SHA512
2d1fedf6693f0347d9265436fbc17515fa9a904db54170181ca7a6d5c64a4928494a20a1eb489d646602ed2769e570bfb5835bffd241a53a8fe64d5767b9234b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\D4IuSLLUbw2LfF.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\cpdnoopiiiijhhnkcpeblbjmpaikiebk\R45.js

Filesize
5KB

MD5
f41cb836c8526767e1def4f4ec34ab7c

SHA1
a17d4dcecbe1e89da3df27f4e7821c058940cfdf

SHA256
f2a1125518f849df4da23566f26861e777a27896876599a0500beb4a6dc7a818

SHA512
6d24cb344eacd5198c64f112d9b394fcefeedb58d4d6be16d20c83b50664e9eb27ea23453cf390e399ecb2444e80d37de3e650726332f15f3b7e06a0f4f18e41

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\cpdnoopiiiijhhnkcpeblbjmpaikiebk\background.html

Filesize
140B

MD5
6323b95760ea39a956c96155275439f6

SHA1
bfdc127a6d2388683f37daadbd297810dc589149

SHA256
6702b42a1b127393ec632ab51600e58c19de21d2fd7f047bdb39117d602aba27

SHA512
c2451969d9b5f9c4c0b08fec2e6bd3cf13c78c631b24d2e5956a0c1f4dd094d84533797008ea665df2065bebe448b1162cead13526261b3b765c7fbe115985bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\cpdnoopiiiijhhnkcpeblbjmpaikiebk\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\cpdnoopiiiijhhnkcpeblbjmpaikiebk\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\cpdnoopiiiijhhnkcpeblbjmpaikiebk\manifest.json

Filesize
509B

MD5
8e0e1a899e9d76ca1dddc09149d3a60a

SHA1
315c3de1cf02ed8f02744e60c6e500ef7feba1c8

SHA256
b31423fcd45c9a35fa143fa288a841e86647a2f88c706c4926375e7ff9e1a1a8

SHA512
88e86c9484c88040f890f5c318b5002ec3554c10252e0ff54ae8da5f296ba99ea44588c24861378e6d8a9efca458e57abd98a1bf6b8f1b20dc503599043497dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\r8s8qTj76m1izhd.dat

Filesize
6KB

MD5
57de5d9e60958dcdc64ba4e8f8918280

SHA1
b6f7e65b9571065e6c2389bdda82dd12551567a5

SHA256
d21bf3fc93ecbaac2ee630f73a6ced0e3f734142056155dbf0cea7c9b67f518c

SHA512
a85b03ab16062fb057206a313975c6fd6560911e1f23e08d4ddbed46641ab9e3c59618e1e5547795afe80b3b8c11fbee72839dbe51207fdb9e7ec04342931313

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\r8s8qTj76m1izhd.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSFAD0.tmp\r8s8qTj76m1izhd.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit