6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220

Analysis

max time kernel
33s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 20:13

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General

Target

6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe
Size

2.0MB
MD5

b8dea2f529bd46bf77176558c43702f3
SHA1

7756dc34737ea8dbaf55f073d5b49f6de686e8c0
SHA256

6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220
SHA512

38adfd02e493d9e86b6fd6fb9c1c744bd6af1fcb398ebbc8170d8c5b73cd12c24954af52edcdc03f2a813bf3f88d8cb0abe15a5eb76860df4283b93f98690692
SSDEEP

49152:h1OsvhYVsOT7THmEpAY+HcBwVtfTblDA1m/uIcLUe:h1ODVvHmEpAY+HcBUTblk

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1704	QLYWdhMTWBsKTcz.exe

Loads dropped DLL 4 IoCs

pid	Process
1712	6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe
1704	QLYWdhMTWBsKTcz.exe
2008	regsvr32.exe
1772	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\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ffacmijkpolhhcenlbnfpecoehcbbddm\2.0\manifest.json	QLYWdhMTWBsKTcz.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ffacmijkpolhhcenlbnfpecoehcbbddm\2.0\manifest.json	QLYWdhMTWBsKTcz.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ffacmijkpolhhcenlbnfpecoehcbbddm\2.0\manifest.json	QLYWdhMTWBsKTcz.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 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\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	QLYWdhMTWBsKTcz.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	QLYWdhMTWBsKTcz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	QLYWdhMTWBsKTcz.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 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}	QLYWdhMTWBsKTcz.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	QLYWdhMTWBsKTcz.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.dat	QLYWdhMTWBsKTcz.exe
File opened for modification	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.dat	QLYWdhMTWBsKTcz.exe
File created	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll	QLYWdhMTWBsKTcz.exe
File opened for modification	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll	QLYWdhMTWBsKTcz.exe
File created	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.dll	QLYWdhMTWBsKTcz.exe
File opened for modification	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.dll	QLYWdhMTWBsKTcz.exe
File created	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.tlb	QLYWdhMTWBsKTcz.exe
File opened for modification	C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.tlb	QLYWdhMTWBsKTcz.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1704	1712	6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe	26
PID 1712 wrote to memory of 1704	1712	6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe	26
PID 1712 wrote to memory of 1704	1712	6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe	26
PID 1712 wrote to memory of 1704	1712	6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe	26
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 1704 wrote to memory of 2008	1704	QLYWdhMTWBsKTcz.exe	27
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28
PID 2008 wrote to memory of 1772	2008	regsvr32.exe	28

C:\Users\Admin\AppData\Local\Temp\6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe
"C:\Users\Admin\AppData\Local\Temp\6ac5fcb4c39d7664050b480a65a37aaeec2568ac9713698178c5c4e33c58a220.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\QLYWdhMTWBsKTcz.exe
  .\QLYWdhMTWBsKTcz.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:1704
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2008
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:1772

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)\GoSave\qKBNPDBWvl2ISG.dat

Filesize
6KB

MD5
6af5d282ad81cd1f81b22f47742ef346

SHA1
55edc401d09d734c55d2964cb45a6997c797d7d0

SHA256
5f3277ac4462ff71be5473c9e29c16b75a980a4793b2754d053d12be71cade13

SHA512
1aefdbf1af334c58c531ee22c5abcf9c29b26aa641a1b9434a63103d6c91de46b6311155eeef29c968f224571e2db2ac4912da7c4f5a175b0e5e82b9ce136d4f

Download Submit
C:\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll

Filesize
693KB

MD5
3e5410d35e29e58de0ce939b4358347d

SHA1
dafec59515d4977d1fbc4eb3d81fc557224d97ff

SHA256
c88f860858b4d18ddc461c6efc421d4188dd10b01d93eb4027fcf0a5c0b9511b

SHA512
8929bb3f5b162c8cc38531b774a9b8c2127865a35c419f3b0a308bd43374008cd833cb87f533d9878713ac83edae51e78dd40cf5d00e63a49f2bfaef178173bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\QLYWdhMTWBsKTcz.dat

Filesize
6KB

MD5
6af5d282ad81cd1f81b22f47742ef346

SHA1
55edc401d09d734c55d2964cb45a6997c797d7d0

SHA256
5f3277ac4462ff71be5473c9e29c16b75a980a4793b2754d053d12be71cade13

SHA512
1aefdbf1af334c58c531ee22c5abcf9c29b26aa641a1b9434a63103d6c91de46b6311155eeef29c968f224571e2db2ac4912da7c4f5a175b0e5e82b9ce136d4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\QLYWdhMTWBsKTcz.exe

Filesize
624KB

MD5
a38de6bc2e1c0f4d0c1e06d74d338a16

SHA1
22ae8edf98ea89970f2d83b7d1b341d081e04692

SHA256
11d029f7cc3dd4838e2e4ddd1dd10990172da0d0184b1a45fba9bedd19ab2c64

SHA512
c85a366a4c861927eff6423fd46e0786a8eecec04f7a81bf8a412b489e455bf0d70d6160343abeea78e5d7c5ee812b1ebc29147518c63ecb2f26d33a9b9f2baa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\QLYWdhMTWBsKTcz.exe

Filesize
624KB

MD5
a38de6bc2e1c0f4d0c1e06d74d338a16

SHA1
22ae8edf98ea89970f2d83b7d1b341d081e04692

SHA256
11d029f7cc3dd4838e2e4ddd1dd10990172da0d0184b1a45fba9bedd19ab2c64

SHA512
c85a366a4c861927eff6423fd46e0786a8eecec04f7a81bf8a412b489e455bf0d70d6160343abeea78e5d7c5ee812b1ebc29147518c63ecb2f26d33a9b9f2baa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\ffacmijkpolhhcenlbnfpecoehcbbddm\background.html

Filesize
140B

MD5
1a0d0d66de1767a04614fe1d965388a3

SHA1
6a4211a3a6028542624aa934aadc286066f22f54

SHA256
22a749a5adef4c46dcaad9112e3c6f6d901af2227e09b18bfd0ab64b343b3811

SHA512
27dada9ac4f9cac1e247b82a1aa69ced1fd2a3f4e5e7597a8aa053f3bba1149f7ba3a5b87f0a0e28a956023ee65e7a3f889e90bb576560b66f90fbabe867cb90

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\ffacmijkpolhhcenlbnfpecoehcbbddm\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\ffacmijkpolhhcenlbnfpecoehcbbddm\hH7.js

Filesize
5KB

MD5
db207683105ce3981094592c9fb11b81

SHA1
cc78e36a5940e9937569c118f5f3106af2cf413a

SHA256
1067f3608921073a762b2aa274daad06e5fa81cdfd474acd4f80d645d7f3b5f4

SHA512
53fcc841c7555008955b8ea02effd36a6a23498b178ce653b8c37565995b2b5252edd0334b9544b3b2c8ac963ec36250d021a6f8333661d29680c61d800bef82

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\ffacmijkpolhhcenlbnfpecoehcbbddm\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\ffacmijkpolhhcenlbnfpecoehcbbddm\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
661c5f3e8ca8544d1185874e8c71f945

SHA1
fcdcfd729ca3ade88e3653a70bf742dafce89766

SHA256
50d8fd38b9f17e5221fd48ab92b25aa7e7e5225b7cc9899ab5a57467d1218387

SHA512
8cd805b7b9b9986e17e1776a0fffa8f3a21307b26f7492449813b7d9811e59e9fe543e44471a4c67e38ecce1c2b7cbfbcfeee4e45323d0f5fd749b7d26685e0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
7ed31253945ba8a976b2c03f7f426868

SHA1
0ab84b939ac1b06381bd1ac5577b3663f206df4b

SHA256
7beb12484296f31431b078a111f6ae9adbac09f9c93158bcb21794d124dd3226

SHA512
123b8e562e8bae8cae624e494e3622e10076e492ce23df661952100debb41a94409595e4ea5991109f6480fcee3734216a404ec87b47ff690a6404bf57511569

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\[email protected]\install.rdf

Filesize
593B

MD5
3b373f16eb07bfa38b32043888020f17

SHA1
1330ecee909857ed4b0807b25105cae3dfa4e893

SHA256
dd24aa54e17fc2daa5789ac53803fd7e65f531f902135d58dfddd31c892c3ab0

SHA512
5e6ced3e3f73be9e413b767d470cf86a861b50c7569ca1816d5acf3523a84ebe7b64cce1b28fe6548155815fa6b1b9f7333c7d51b62d6ed94409e8eaebf837e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\qKBNPDBWvl2ISG.dll

Filesize
613KB

MD5
aee2a367555151e37d2a245f9c6ab049

SHA1
d4a613d3b3c283992d27b4e616ad40af6d9fa927

SHA256
a30996ad667ae49fea23eaffbe974d73776cad9ac7b38a0df41bcb4e12ef8082

SHA512
ffff38a5de9c5be2155f3767cd0f3161911fb3350030ad38f668145689842220245c14c2e5cd4caa6a646ea4167cb0e04437b4007bb5ccfee083a022b59d10aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\qKBNPDBWvl2ISG.tlb

Filesize
3KB

MD5
ea7a8314a7ca809640133d27d66be210

SHA1
c976ab7561953f1d216e0c3eb6f0c4e1d8374187

SHA256
0e6f6bfeb3fa6405d52816e3c1119fb3239ebb777a64d322248749be6aaa7638

SHA512
7316356a42896539d98f74895004c4ad556cb4c7ba765de764f7aea0fbaa1b5fd6a0e64bf03d40f655630a71e18e48bbe1a70a7f467fd7246b3b135681539a69

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\qKBNPDBWvl2ISG.x64.dll

Filesize
693KB

MD5
3e5410d35e29e58de0ce939b4358347d

SHA1
dafec59515d4977d1fbc4eb3d81fc557224d97ff

SHA256
c88f860858b4d18ddc461c6efc421d4188dd10b01d93eb4027fcf0a5c0b9511b

SHA512
8929bb3f5b162c8cc38531b774a9b8c2127865a35c419f3b0a308bd43374008cd833cb87f533d9878713ac83edae51e78dd40cf5d00e63a49f2bfaef178173bd

Download Submit
\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.dll

Filesize
613KB

MD5
aee2a367555151e37d2a245f9c6ab049

SHA1
d4a613d3b3c283992d27b4e616ad40af6d9fa927

SHA256
a30996ad667ae49fea23eaffbe974d73776cad9ac7b38a0df41bcb4e12ef8082

SHA512
ffff38a5de9c5be2155f3767cd0f3161911fb3350030ad38f668145689842220245c14c2e5cd4caa6a646ea4167cb0e04437b4007bb5ccfee083a022b59d10aa

Download Submit
\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll

Filesize
693KB

MD5
3e5410d35e29e58de0ce939b4358347d

SHA1
dafec59515d4977d1fbc4eb3d81fc557224d97ff

SHA256
c88f860858b4d18ddc461c6efc421d4188dd10b01d93eb4027fcf0a5c0b9511b

SHA512
8929bb3f5b162c8cc38531b774a9b8c2127865a35c419f3b0a308bd43374008cd833cb87f533d9878713ac83edae51e78dd40cf5d00e63a49f2bfaef178173bd

Download Submit
\Program Files (x86)\GoSave\qKBNPDBWvl2ISG.x64.dll

Filesize
693KB

MD5
3e5410d35e29e58de0ce939b4358347d

SHA1
dafec59515d4977d1fbc4eb3d81fc557224d97ff

SHA256
c88f860858b4d18ddc461c6efc421d4188dd10b01d93eb4027fcf0a5c0b9511b

SHA512
8929bb3f5b162c8cc38531b774a9b8c2127865a35c419f3b0a308bd43374008cd833cb87f533d9878713ac83edae51e78dd40cf5d00e63a49f2bfaef178173bd

Download Submit
\Users\Admin\AppData\Local\Temp\7zS6C5B.tmp\QLYWdhMTWBsKTcz.exe

Filesize
624KB

MD5
a38de6bc2e1c0f4d0c1e06d74d338a16

SHA1
22ae8edf98ea89970f2d83b7d1b341d081e04692

SHA256
11d029f7cc3dd4838e2e4ddd1dd10990172da0d0184b1a45fba9bedd19ab2c64

SHA512
c85a366a4c861927eff6423fd46e0786a8eecec04f7a81bf8a412b489e455bf0d70d6160343abeea78e5d7c5ee812b1ebc29147518c63ecb2f26d33a9b9f2baa

Download Submit
memory/1704-56-0x0000000000000000-mapping.dmp

Download
memory/1712-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download
memory/1772-77-0x0000000000000000-mapping.dmp

Download
memory/1772-78-0x000007FEFC161000-0x000007FEFC163000-memory.dmp

Filesize
8KB

Download
memory/2008-73-0x0000000000000000-mapping.dmp

Download