2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da

Analysis

max time kernel
175s
max time network
197s
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 22:27

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General

Target

2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe
Size

2.1MB
MD5

b6a2c724e0280a757db20fa6adbc557c
SHA1

cc428b67b293d9d917468705d3d72e14c25bc42f
SHA256

2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da
SHA512

9422ce63d5eb9dee04df6635045d14f7c9a4a2928edd54c327c489fb3f330c22d9620aae401735623bf5715551a277a266dddb9790d520cc072c870e1e1221aa
SSDEEP

49152:h1Os7yuyoY0IKAVWQrQSM5eeHY1h2PlSUQ8Pcih:h1OqgoP9oM5LFJ

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4524	oFtHoEJeBb61nDu.exe

Loads dropped DLL 3 IoCs

pid	Process
4524	oFtHoEJeBb61nDu.exe
2440	regsvr32.exe
3548	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\dkominiifhlninlbieomnjcjndamofgg\2.0\manifest.json	oFtHoEJeBb61nDu.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\dkominiifhlninlbieomnjcjndamofgg\2.0\manifest.json	oFtHoEJeBb61nDu.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\dkominiifhlninlbieomnjcjndamofgg\2.0\manifest.json	oFtHoEJeBb61nDu.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\dkominiifhlninlbieomnjcjndamofgg\2.0\manifest.json	oFtHoEJeBb61nDu.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\dkominiifhlninlbieomnjcjndamofgg\2.0\manifest.json	oFtHoEJeBb61nDu.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	oFtHoEJeBb61nDu.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	oFtHoEJeBb61nDu.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\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	oFtHoEJeBb61nDu.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}	oFtHoEJeBb61nDu.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.tlb	oFtHoEJeBb61nDu.exe
File opened for modification	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.tlb	oFtHoEJeBb61nDu.exe
File created	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.dat	oFtHoEJeBb61nDu.exe
File opened for modification	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.dat	oFtHoEJeBb61nDu.exe
File created	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll	oFtHoEJeBb61nDu.exe
File opened for modification	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll	oFtHoEJeBb61nDu.exe
File created	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.dll	oFtHoEJeBb61nDu.exe
File opened for modification	C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.dll	oFtHoEJeBb61nDu.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4524	2452	2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe	83
PID 2452 wrote to memory of 4524	2452	2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe	83
PID 2452 wrote to memory of 4524	2452	2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe	83
PID 4524 wrote to memory of 2440	4524	oFtHoEJeBb61nDu.exe	84
PID 4524 wrote to memory of 2440	4524	oFtHoEJeBb61nDu.exe	84
PID 4524 wrote to memory of 2440	4524	oFtHoEJeBb61nDu.exe	84
PID 2440 wrote to memory of 3548	2440	regsvr32.exe	88
PID 2440 wrote to memory of 3548	2440	regsvr32.exe	88

C:\Users\Admin\AppData\Local\Temp\2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe
"C:\Users\Admin\AppData\Local\Temp\2af38495f1ce1aaf686fc2ca517c637b3ab281eaaafa5254cfcb6e04094c65da.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\oFtHoEJeBb61nDu.exe
  .\oFtHoEJeBb61nDu.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:4524
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2440
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3548

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)\GoSAve\Gc7AEKIaRf6nQe.dat

Filesize
6KB

MD5
186411b15ce9114a95faa49c04e351ba

SHA1
03a1496968cf6b55abb2a23a2ad4e3d37e19abd7

SHA256
f6a282f7a4412a49dbb584a9d22ec9936e6e80f9ac35820bc38f840086be8912

SHA512
41e2885fd60d18050b58c73976244cb56ee2b779725c1d3914074bb6b1162886150f7f147098f0d1c8df7eb2984141411f042deaa0d2642957163fa0c310de48

Download Submit
C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Program Files (x86)\GoSAve\Gc7AEKIaRf6nQe.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\Gc7AEKIaRf6nQe.dll

Filesize
616KB

MD5
ac2bb9f430ee63577e2e658e576fbaa3

SHA1
661dad0abec24f1cd8400e09fd00881d9dd66b02

SHA256
59bb2ef1513927977be1a94a9e7687a92fd078ad343d481ba40edbfbe85e8812

SHA512
f0c2e9c780bcf67147a7c4803ffb292d6b2c4bf0a03f65273a86c6da85c0b5cd1d24d48726d95ed1e5c6b5662b7fcaba65b47bf1e7d906d97c263d2c92285769

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\Gc7AEKIaRf6nQe.tlb

Filesize
3KB

MD5
52acf269931e562ad7445f7a803bd5e3

SHA1
ef86bb5f96b2bba4c85a73efef5df4a08ab99031

SHA256
bc29a9426767cb54f6f11ea9d457613f858aa0d0e33137ab8ad1f53ff601d8f2

SHA512
545cc433a340e0b6ef70c92ab7854058222bb76385fb4027f1cc174a0baececb48c8e04ea83e9387d2c664505d4dd3799d41512e06c3ec5b4e32d0bf4a84668b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\Gc7AEKIaRf6nQe.x64.dll

Filesize
698KB

MD5
48aea480f88ba159a05da8c3e1b938e5

SHA1
56cce3368fb512d03e4ed502c1ae1b4a64a54ce9

SHA256
07fd15650c7ea9d453c9a86255445d32ba18b4f74876a1f099a473ff988f7ebf

SHA512
448dfc81b3148be7031e6ebfc813c148c39a4ae86692ace9d0c98bf2605aa5b76052cc6d4f44e3103452fa26eb60a67a28dd3ce5d579e81277421cefdf9c9be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\dkominiifhlninlbieomnjcjndamofgg\NNz.js

Filesize
5KB

MD5
ef27dac64506331cb535d3f77a27479d

SHA1
cf652687bc1b41b1c775d5225d7a3b32b8eae65c

SHA256
459be4deb77cad8e5b39e305bab2f76c8a2ef2ef659a2b4338bcef44b22a3c8f

SHA512
b01d5b151c5b4413cdf96e57937a6b05f627c4296ee134ca1ed8e8a0c5680d3139d2917865d268afe9a87b11e2da5a29ff46935df70577a953a97ba61f6ce20a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\dkominiifhlninlbieomnjcjndamofgg\background.html

Filesize
140B

MD5
fc03c7b60ffb2ae2836badb374fa273c

SHA1
90844a109d491a31132e723627e3f1f3592dee2d

SHA256
97b36d767c07bfa4b91e20fd9fb67936236137951ed0588956d2fea7c42634c7

SHA512
4e12b0c7ef9ec20a7c66909086d94c40f477a24821634a074b1438f1b13adf2be66d0eb3a51f32c4779983403b3d7c48dffb4f1d1d57ece2758ef82ba5108411

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\dkominiifhlninlbieomnjcjndamofgg\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\dkominiifhlninlbieomnjcjndamofgg\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\dkominiifhlninlbieomnjcjndamofgg\manifest.json

Filesize
498B

MD5
5d8b560f900f00e62aa129f1fd677989

SHA1
50d03404e935374cada2779f89c33c096ce6fb80

SHA256
9427cc79b9bd56a0ce543ab1cbb63264be500e5596b91a387afa5b7bebabcca2

SHA512
3ed280bd8c5b377df319c09069efc8f17a873bc0cba878a835b1f61eb684594741538735ff6e43feb938778859aa19b4f9ce5cbaccdca0db1b4b54d6400cb7bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\oFtHoEJeBb61nDu.dat

Filesize
6KB

MD5
186411b15ce9114a95faa49c04e351ba

SHA1
03a1496968cf6b55abb2a23a2ad4e3d37e19abd7

SHA256
f6a282f7a4412a49dbb584a9d22ec9936e6e80f9ac35820bc38f840086be8912

SHA512
41e2885fd60d18050b58c73976244cb56ee2b779725c1d3914074bb6b1162886150f7f147098f0d1c8df7eb2984141411f042deaa0d2642957163fa0c310de48

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\oFtHoEJeBb61nDu.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\oFtHoEJeBb61nDu.exe

Filesize
632KB

MD5
59ed6cd5a934e324d7ff694adb712b61

SHA1
ee41b1da1ca21a050e548b04bbf37c47f251fd10

SHA256
cb9b055b0e4049898db5c8d1df973692f7e57f57ad053fc9fec5372a294b8726

SHA512
04238927495ce1720202db05e90c1efc0c8d409e5255188fff51ee5589048d7b5c56f080fe7e5a1f45f4a7ca1c0d73fadbc34b8a268547f2f2bbd1c994ec2fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
cbd4a4ead9660e7a8072d534e98cef57

SHA1
9d7ade752d25d9f6f2c7820be480085333abc12f

SHA256
9d66057669ca93af4d9548e55815471ed5f58d1405411782ebe4e38fa78e2762

SHA512
ac2e3bc2b17d5ef1f8a1c264128bbbe1315c92c441059877706aa00179d3b75c6ac41a3287e6e40e3f7d8a2467972665acd4e6c36c91451946108c5f2b1586c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
7954a0d17b3fc9372ffb03cc7fccacdf

SHA1
b9dc88faae3d3a0825b496a72acd2248eda990bd

SHA256
f1a59396df18d1a596d87e88f38fa148f6c2de72218bef8397b91924765cf103

SHA512
72f7ee8d45aec63abb8321d42e970f1db7df1036ea8c54139567e7be5c4155ff8a67f73dd8d26ec82c22e6dc60a0b6f05f0fc3df20629f54d9fb16e21e6e1620

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS415E.tmp\[email protected]\install.rdf

Filesize
594B

MD5
3c781a5344be7077d90ec9a88dd87cb0

SHA1
4d0310e6c05bd312956f7b35a2ae375217bcf80f

SHA256
186738904e437e744bf62766cceb0c3a45ee191d6ff380fa1b852dabf25742ab

SHA512
7f7b0a68e6b2671569a5368ad26afcc562462e6a6f3ae2e596293fd6de152a35b4fc333b586d629fa08180647748df0b58fbc76f53a29a4f166633bfa2dc7403

Download Submit