a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57

Analysis

max time kernel
146s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 14:03

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General

Target

a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe
Size

2.1MB
MD5

913e7fef76a5196e334c926745aba7eb
SHA1

23da78be534fa19abedb087722f1989769e744cd
SHA256

a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57
SHA512

0bef407c2ad010d2a1e58b6247fbe49b62f9b7471fcb13db0f48d536aab3cb1bc83fdf91c501bd29f2e1969009c4737650aae28393456b6d8df4ecd5034b0fe7
SSDEEP

49152:h1OswhvaZG1MVEtzijkTvu2x/uw4B8FHFF6X:h1OdvaxMziy3K

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1516	BxXZN0Immsfqrre.exe

Loads dropped DLL 3 IoCs

pid	Process
1516	BxXZN0Immsfqrre.exe
3948	regsvr32.exe
3052	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\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mhkfdecfgooloocadigaebfdiniclahb\2.0\manifest.json	BxXZN0Immsfqrre.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mhkfdecfgooloocadigaebfdiniclahb\2.0\manifest.json	BxXZN0Immsfqrre.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mhkfdecfgooloocadigaebfdiniclahb\2.0\manifest.json	BxXZN0Immsfqrre.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\mhkfdecfgooloocadigaebfdiniclahb\2.0\manifest.json	BxXZN0Immsfqrre.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\mhkfdecfgooloocadigaebfdiniclahb\2.0\manifest.json	BxXZN0Immsfqrre.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 created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	BxXZN0Immsfqrre.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	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}	BxXZN0Immsfqrre.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	BxXZN0Immsfqrre.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	BxXZN0Immsfqrre.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\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.dat	BxXZN0Immsfqrre.exe
File opened for modification	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.dat	BxXZN0Immsfqrre.exe
File created	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll	BxXZN0Immsfqrre.exe
File opened for modification	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll	BxXZN0Immsfqrre.exe
File created	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.dll	BxXZN0Immsfqrre.exe
File opened for modification	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.dll	BxXZN0Immsfqrre.exe
File created	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.tlb	BxXZN0Immsfqrre.exe
File opened for modification	C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.tlb	BxXZN0Immsfqrre.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1516	1536	a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe	82
PID 1536 wrote to memory of 1516	1536	a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe	82
PID 1536 wrote to memory of 1516	1536	a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe	82
PID 1516 wrote to memory of 3948	1516	BxXZN0Immsfqrre.exe	85
PID 1516 wrote to memory of 3948	1516	BxXZN0Immsfqrre.exe	85
PID 1516 wrote to memory of 3948	1516	BxXZN0Immsfqrre.exe	85
PID 3948 wrote to memory of 3052	3948	regsvr32.exe	86
PID 3948 wrote to memory of 3052	3948	regsvr32.exe	86

C:\Users\Admin\AppData\Local\Temp\a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe
"C:\Users\Admin\AppData\Local\Temp\a809055e08efc7172d3877061c4879fa7cae34601056945e97de790f1e0a3e57.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\BxXZN0Immsfqrre.exe
  .\BxXZN0Immsfqrre.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:1516
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3948
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3052

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)\GioSAVe\QWarlbR8JVze6s.dat

Filesize
6KB

MD5
b5db541106741f7905a48c55129a613f

SHA1
fbe2756ef49f7473f8c383ba27872e00ba80c9eb

SHA256
8329220d784b5bb9d3fb6542315e6f3f30ef0b364774d833792ca0fdb74ab458

SHA512
51cd939dc18ba164e801d8f31a800d3b7269b8fdfcfcc4f276134bc0e805664b2b7d44d3d60300fe46f5abe9ca536a4cf804700fd73a828af5b21cba8525c1e2

Download Submit
C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Program Files (x86)\GioSAVe\QWarlbR8JVze6s.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\BxXZN0Immsfqrre.dat

Filesize
6KB

MD5
b5db541106741f7905a48c55129a613f

SHA1
fbe2756ef49f7473f8c383ba27872e00ba80c9eb

SHA256
8329220d784b5bb9d3fb6542315e6f3f30ef0b364774d833792ca0fdb74ab458

SHA512
51cd939dc18ba164e801d8f31a800d3b7269b8fdfcfcc4f276134bc0e805664b2b7d44d3d60300fe46f5abe9ca536a4cf804700fd73a828af5b21cba8525c1e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\BxXZN0Immsfqrre.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\BxXZN0Immsfqrre.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\QWarlbR8JVze6s.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\QWarlbR8JVze6s.tlb

Filesize
3KB

MD5
8af6f42a5b16ced04702514d47052053

SHA1
f06e43c9710e27b38063652217874f6fc8515ea0

SHA256
0fc752f18e2f21a6d0b45fb9769deefe70d4690e72225037a37d1dc0553ae8ed

SHA512
2d1fedf6693f0347d9265436fbc17515fa9a904db54170181ca7a6d5c64a4928494a20a1eb489d646602ed2769e570bfb5835bffd241a53a8fe64d5767b9234b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\QWarlbR8JVze6s.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\mhkfdecfgooloocadigaebfdiniclahb\AXj3XO.js

Filesize
5KB

MD5
fe418cf330d6bc813a03d5d4ce8a6e52

SHA1
6357210123c8e44801cbb6ec9b03545b9a6dbe97

SHA256
f3130ee93d35aed91a46df828537938f28d97ed86c7d088bb905381b13ac3553

SHA512
b65d96bcaf9f48bc9b80cf23fc6af48caac9857b08424c39042d94c95c357ac2b8fc4d332063a9b904655a064a37c2d2c00822c78a674f7236cc4140667f2dba

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\mhkfdecfgooloocadigaebfdiniclahb\background.html

Filesize
143B

MD5
c6358eae22824a830026cc8b67b435fa

SHA1
1ceede7e226cbe1858fa2bd18f7b71bb8c9ce68c

SHA256
3dc3be79d59c831eb7f943f4f47d98f5eb4d8b2e7c4d4a40ce1e7f22b288e94e

SHA512
116aa5e9dee02efe5cedba14996ded120a2565919d0c831d72d2f77ea533798c055e445a3b7585664ee0f5401bf1e169052518a632c8df3642fe20517d3b9e1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\mhkfdecfgooloocadigaebfdiniclahb\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\mhkfdecfgooloocadigaebfdiniclahb\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\mhkfdecfgooloocadigaebfdiniclahb\manifest.json

Filesize
499B

MD5
f7a4fc1d0702938d2dfcf9bd7b0a90f2

SHA1
073a79111d48705edc37111a6aaffb1df0ef6f93

SHA256
f88832310b43287a10f936fd9ee63d0a73a4ca8a88353369cf184a7f901f94f8

SHA512
842b6ce7bc007725bee7a51dd9bf2eb8ecf236102585441320e6dced0c3a2d6536171a17d465ece126a6a22895a6f9a7af44716728309e751ae3722ad807129f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
5a6d9b916a01c68cc32c40db09b90d18

SHA1
e6c8e805e27458a5430c53425e6102a813622241

SHA256
1d7df58f59226da379b3ba993751e8d1f8e4d1866ca6e31c06ad54abc6426deb

SHA512
11b0be7822b2825d401d367eeae8d8d9409f7649c19fa27d1890257c5f6f041fd9b40960a8d4c4940a04a2baa3c28c166b5e22d32b5cb5ca5995a9e9fe81e56d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
de3a723e4d9afe3c7a0ee67c205433b1

SHA1
d3cce8ed4c3317af187d8bdb65f01b67404a87f1

SHA256
5c6849ca899e54b6f1bb89c0d2a747d2e52f0d5d8ac4768921cc77d5094896d0

SHA512
60e07268b022be69a6d4ca20c079cea56eb42ac89cb47808afcc9e660a9cbd45c07987195a4223b77faae3cbf81195a06e629bc1c395ec7059e9843942330b46

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSD3B0.tmp\[email protected]\install.rdf

Filesize
597B

MD5
ae722fca5055593bb5ed8419fd8b0243

SHA1
be559ce3673d22454ca658fda84b4fe1d47b497d

SHA256
a20c770fd33fcae9eda3b3903e2113c93cc7cc59e783fbde04e6c7a004b7a179

SHA512
b85ca4bd29855fc2b87b689571f4865cf8068e7c820c95dfbf8f61e2aac36d4448834a4bd03402ebda1d3b4edb7d51223b60f89729c320b2d7f3520ee87507f4

Download Submit
memory/1516-132-0x0000000000000000-mapping.dmp

Download
memory/3052-152-0x0000000000000000-mapping.dmp

Download
memory/3948-149-0x0000000000000000-mapping.dmp

Download