843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae

Analysis

max time kernel
229s
max time network
333s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 21:36

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General

Target

843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe
Size

2.1MB
MD5

c7e133b809037dd474bab282e9ee0baf
SHA1

4039cd2d7590a2b8c784eeaed4ab1aa2b20faca4
SHA256

843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae
SHA512

b176eaa212524d9cbd5194aec98da0adfca66a968a5e9ad068877608b62348f15ea7ed6af9aa734d2b0cfd0338deada7570e7aa9f7b39f6bae887f3f0eaadecf
SSDEEP

49152:h1OsIhvaZG1MVEtzijkTvu2x/uw4B8FHFF6U:h1OHvaxMziy3V

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1696	Ga6xbO5i397d9Nu.exe

Loads dropped DLL 4 IoCs

pid	Process
1352	843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe
1696	Ga6xbO5i397d9Nu.exe
1668	regsvr32.exe
364	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 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\1.3\manifest.json	Ga6xbO5i397d9Nu.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\1.3\manifest.json	Ga6xbO5i397d9Nu.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\1.3\manifest.json	Ga6xbO5i397d9Nu.exe

Installs/modifies Browser Helper Object 2 TTPs 11 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\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	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\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	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\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	Ga6xbO5i397d9Nu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	Ga6xbO5i397d9Nu.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	Ga6xbO5i397d9Nu.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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	Ga6xbO5i397d9Nu.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	Ga6xbO5i397d9Nu.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.dll	Ga6xbO5i397d9Nu.exe
File created	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.tlb	Ga6xbO5i397d9Nu.exe
File opened for modification	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.tlb	Ga6xbO5i397d9Nu.exe
File created	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.dat	Ga6xbO5i397d9Nu.exe
File opened for modification	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.dat	Ga6xbO5i397d9Nu.exe
File created	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll	Ga6xbO5i397d9Nu.exe
File opened for modification	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll	Ga6xbO5i397d9Nu.exe
File created	C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.dll	Ga6xbO5i397d9Nu.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1696	1352	843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe	28
PID 1352 wrote to memory of 1696	1352	843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe	28
PID 1352 wrote to memory of 1696	1352	843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe	28
PID 1352 wrote to memory of 1696	1352	843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe	28
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1696 wrote to memory of 1668	1696	Ga6xbO5i397d9Nu.exe	29
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30
PID 1668 wrote to memory of 364	1668	regsvr32.exe	30

C:\Users\Admin\AppData\Local\Temp\843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe
"C:\Users\Admin\AppData\Local\Temp\843a14c74eb8e8a0e23ac0224b55d0a5f09f6e844aa201ee82c1b718c2b6ebae.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\Ga6xbO5i397d9Nu.exe
  .\Ga6xbO5i397d9Nu.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:1696
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:364

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)\VaaudiX\ZZA3CHEtRRcXmS.dat

Filesize
6KB

MD5
50e5b5013989b82868a471aee708b531

SHA1
406ba1cd9dbb609b6132832bca9735a7fd8d550e

SHA256
c11d4288f3d9693e581d7dec5e813d7d230db3199ba45ec3b305c528ed7b0ad9

SHA512
d3daec154c35242f9bb9dd802eaff9b690dd8fded1e297b660cdfec5c2bf09a33123377a1afc2117827360ca6cd5ad9457ebf3133a1a076754fa1357fc90cb5f

Download Submit
C:\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\Ga6xbO5i397d9Nu.dat

Filesize
6KB

MD5
50e5b5013989b82868a471aee708b531

SHA1
406ba1cd9dbb609b6132832bca9735a7fd8d550e

SHA256
c11d4288f3d9693e581d7dec5e813d7d230db3199ba45ec3b305c528ed7b0ad9

SHA512
d3daec154c35242f9bb9dd802eaff9b690dd8fded1e297b660cdfec5c2bf09a33123377a1afc2117827360ca6cd5ad9457ebf3133a1a076754fa1357fc90cb5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\Ga6xbO5i397d9Nu.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\Ga6xbO5i397d9Nu.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
050cc2c401bf190a7028d106a514de3b

SHA1
fc4cf2a4a8e80a5162234509bafb52f476603378

SHA256
ab468540403542ba4bd7a94319b07aeaddeaa65512d3992f11b2f361623f5d7a

SHA512
bf0ca3d6078b2a6daad23736e9eeb873b1269fed50d511f77574aa41aa5a521e7db40a01988d63d97e579f4c44f94e2047413894ebfb37ae7217987eadc1de1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
4756cf768398cd97798aba79c449a3bb

SHA1
81b50e0256843eca3d64219ea12ffb409c338131

SHA256
97afc49147aefb90651cba1cd0dfff1da7cf881ba2e0f442e785e8c07e05ec12

SHA512
19f3d795234a93270032dc0c0df47912b14adab67522344282128d3fdaca6a213f555039ffc401083cd649365299fd8fca102f1cb488fd68b527dea1c16e2c7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\[email protected]\install.rdf

Filesize
592B

MD5
32dae9c1a7c79b2a73ccf7f139845caf

SHA1
b5a34844efd8891ed0210ed66749cf48a290f24b

SHA256
1c9b7f47882c0e3dcc74a09a5b2484a8b6c832598443647cef96bb1b85417760

SHA512
332cce7a9b48cea6f55705848f49348c47dc3148e3180e15fd86af8120e3887aed3a679757cc54092487bb805dd81161b90359b26529837d42cb5b26bf4a0ff2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\ZZA3CHEtRRcXmS.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\ZZA3CHEtRRcXmS.tlb

Filesize
3KB

MD5
8af6f42a5b16ced04702514d47052053

SHA1
f06e43c9710e27b38063652217874f6fc8515ea0

SHA256
0fc752f18e2f21a6d0b45fb9769deefe70d4690e72225037a37d1dc0553ae8ed

SHA512
2d1fedf6693f0347d9265436fbc17515fa9a904db54170181ca7a6d5c64a4928494a20a1eb489d646602ed2769e570bfb5835bffd241a53a8fe64d5767b9234b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\ZZA3CHEtRRcXmS.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\background.html

Filesize
138B

MD5
af5168de756b9a53a8b970b0e95139a6

SHA1
0fe25eb8bb6919808de08d59dd3a09a2cdaba3f3

SHA256
4b937c436472ad4670a555265f93f078bcf4ea5faefccf7ff5c137a482731b69

SHA512
8d1597aae1e07a990dfe000466e4609ff582a095094df0e18e5683a8761906aca3d0b905a1f65f38212e21bbb5b0621f130fa66d2233e197878c2b9365c75c64

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\manifest.json

Filesize
499B

MD5
9ff3b6507d9edff1aa02443f76234ce4

SHA1
f88f4520c20d853858c09b5cdcc2720ebfa715b6

SHA256
e09b67786820607df16b9e864f3b2a23ff5908ca3b13b2f14f6cdca052f46efd

SHA512
9e84a3c3cbcb53a7a987d9e34a867caa1ec680ee29d37ad233a84ee67950fc1325c98cb6820194829da3aadfc73aec618e29f01b687ced36899c4bd2eb51edfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6671.tmp\kjjokjjlhlmfbdpoelbhoejpcjoiicjo\o.js

Filesize
5KB

MD5
dd3befbc50bd5d37d87f0c933ae9cb7b

SHA1
b15937c5d2dccce0513e7c36d884f3d2324c7449

SHA256
6bd2d3b1cddd4c066d40d049f4610456c95acc41ecfb7b2631bb1f1d21e670a4

SHA512
95c1177c5ea258fa5fbb5c72400f4d6cd72589ad7589c63530905fd80dad6bc07433e80f41e3d46b4687c3dd7f853ab6cfbd6da0d0781dd68e7a670aeaf05303

Download Submit
\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
\Program Files (x86)\VaaudiX\ZZA3CHEtRRcXmS.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6671.tmp\Ga6xbO5i397d9Nu.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
memory/364-77-0x0000000000000000-mapping.dmp

Download
memory/364-78-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

Filesize
8KB

Download
memory/1352-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

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8KB

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memory/1668-73-0x0000000000000000-mapping.dmp

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memory/1696-56-0x0000000000000000-mapping.dmp

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