8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd

Analysis

max time kernel
25s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 07:22

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General

Target

8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe
Size

2.1MB
MD5

769dbb8aec8e6221aef80f9144149f80
SHA1

e528cf237f2fc6f0844f8fa6d224538e5d570221
SHA256

8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd
SHA512

93a513db647a17c5e0ff88b07bef645cdf0ec29512f0867d884fa2f14c37c035547b9b36a89d88899b9822ca1c79d31cd1603f706468ad9f82d3bb21d1af97f6
SSDEEP

24576:h1OYdaOkTwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5Ihg:h1OsrLARTQ9PimJWtShQnvQsruL

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1196	BkE1sVBNPtyBarj.exe

Loads dropped DLL 4 IoCs

pid	Process
1052	8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe
1196	BkE1sVBNPtyBarj.exe
1420	regsvr32.exe
520	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\jjldmhlpdogapcdgnbcpamglagdhljai\2.0\manifest.json	BkE1sVBNPtyBarj.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\jjldmhlpdogapcdgnbcpamglagdhljai\2.0\manifest.json	BkE1sVBNPtyBarj.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\jjldmhlpdogapcdgnbcpamglagdhljai\2.0\manifest.json	BkE1sVBNPtyBarj.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\{DBC80044-A445-435B-BC74-9C25C1C588A9}	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\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	BkE1sVBNPtyBarj.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	BkE1sVBNPtyBarj.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	BkE1sVBNPtyBarj.exe
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\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	BkE1sVBNPtyBarj.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	BkE1sVBNPtyBarj.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	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.dll	BkE1sVBNPtyBarj.exe
File created	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.tlb	BkE1sVBNPtyBarj.exe
File opened for modification	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.tlb	BkE1sVBNPtyBarj.exe
File created	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.dat	BkE1sVBNPtyBarj.exe
File opened for modification	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.dat	BkE1sVBNPtyBarj.exe
File created	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll	BkE1sVBNPtyBarj.exe
File opened for modification	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll	BkE1sVBNPtyBarj.exe
File created	C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.dll	BkE1sVBNPtyBarj.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1196	BkE1sVBNPtyBarj.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 1196	1052	8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe	28
PID 1052 wrote to memory of 1196	1052	8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe	28
PID 1052 wrote to memory of 1196	1052	8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe	28
PID 1052 wrote to memory of 1196	1052	8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe	28
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1196 wrote to memory of 1420	1196	BkE1sVBNPtyBarj.exe	29
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30
PID 1420 wrote to memory of 520	1420	regsvr32.exe	30

C:\Users\Admin\AppData\Local\Temp\8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe
"C:\Users\Admin\AppData\Local\Temp\8bbe92ce6c86844d11a4c37a8bed630ac0e5db486005db7c775ff5a7b1f5a5bd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\BkE1sVBNPtyBarj.exe
  .\BkE1sVBNPtyBarj.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops Chrome extension
  - Installs/modifies Browser Helper Object
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1420
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:520

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\o15Tcq8BaKfTb9.dat

Filesize
5KB

MD5
efad5f4a082c8a05950e153c9f4361b3

SHA1
32027e1e093e947da5e429090a8dc8813802c0bd

SHA256
cb4fcc2cd06884d8214ef3faa0d44297b56c40bad790f9356b70338c45d7d671

SHA512
cfa48594ea94f97f0fa64891250754d0700b8715323c1e9555499299f8d45f9c377f7005d5c8f5ae841409dfe979b8b80202ca0a9ae0493484796bdfaaac93b2

Download Submit
C:\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\BkE1sVBNPtyBarj.dat

Filesize
5KB

MD5
efad5f4a082c8a05950e153c9f4361b3

SHA1
32027e1e093e947da5e429090a8dc8813802c0bd

SHA256
cb4fcc2cd06884d8214ef3faa0d44297b56c40bad790f9356b70338c45d7d671

SHA512
cfa48594ea94f97f0fa64891250754d0700b8715323c1e9555499299f8d45f9c377f7005d5c8f5ae841409dfe979b8b80202ca0a9ae0493484796bdfaaac93b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\BkE1sVBNPtyBarj.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\BkE1sVBNPtyBarj.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\jjldmhlpdogapcdgnbcpamglagdhljai\background.html

Filesize
145B

MD5
7d57f9de1b4a710988b359844371235e

SHA1
451951485114e24d62350ed61d704eb3763532bc

SHA256
4ce3aab276714c3f77ae271cfc761b49f779f20b14385977f3aff1ff976cbf47

SHA512
446d2d5ec16bdae75bd96e486d32f1da99e20160d0fed459c3b492aff281969770cb98d0f66da1043bcaff431bb169584a561277e0a33add8bac1307387dff58

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\jjldmhlpdogapcdgnbcpamglagdhljai\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\jjldmhlpdogapcdgnbcpamglagdhljai\hO5mFE2o.js

Filesize
5KB

MD5
2b137f40eb77852b5086909c0fe37620

SHA1
fe3f1ff506f1ebc063f5e2d3464d54c4ee7b2f52

SHA256
282eedb1c7c0910f9ce87d3e9d8965c8749f4f0d54cc762f089727950edb01b8

SHA512
d0f54323df89a36dedae05bc3760d4ffe22f166b47336716011b02fcb0a1bb603a0bccfe1414ea76696e019aa9e6521c047400a2300400c10ef7ca04895e6897

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\jjldmhlpdogapcdgnbcpamglagdhljai\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\jjldmhlpdogapcdgnbcpamglagdhljai\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\o15Tcq8BaKfTb9.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\o15Tcq8BaKfTb9.tlb

Filesize
3KB

MD5
d5c4233a6c3de331b459f5f6a35ae3dd

SHA1
b5f1bf145f4e0896d7ae500abecbfaca715c18ab

SHA256
f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

SHA512
4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\o15Tcq8BaKfTb9.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
b9055b70b6475cfeaa523e65c6736288

SHA1
44d490ed912f2edcf221420c2950113447698085

SHA256
2944e9f596f52704242b25b98f903acb87a8a5736388bb2aae9aa10e341ad4ab

SHA512
7b55e617a5998ff0bd3e61155530bace9d6b75dc9fece8429f65ec351ce84900718ee56dfe8f0d7934b46332b8bbda75244cc00c3be14b2607d4c0de4a303e2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
4455f494b7cb63a6e8fa844ad7022e0a

SHA1
cf7a331a1d695826992137a14269f3e7395d11e7

SHA256
65075aba1ce43fd8c89f6e969471067080a5116e1b2a79a2cde5d8bd602e649c

SHA512
f280a3cb791a2d03c3f7a5762e51131800fbf09ceb233a540f4a62c86e500b31810a2511e9a54356c02445096d5aa6ebbe4f89ed5bc63163888e5b1d548c4bce

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\[email protected]\install.rdf

Filesize
595B

MD5
5d2e11befba941eed26ad663ac3c8032

SHA1
d47a8ab0333f2fdbcebd2fb1241ac6aafbab45a4

SHA256
02eb379419d789772836eed1ce32086e1727b10a7e1446efad7266e3668e4603

SHA512
e62a8857d84dadef7d250fe9dcb7837cfc9db470207fe3c0a742198177c21d817d98b7c6458c46c4c94f54e38ca73856cae3fcfc1c624e3f4291eda9bcbb384b

Download Submit
\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
\Program Files (x86)\GoSave\o15Tcq8BaKfTb9.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1AA3.tmp\BkE1sVBNPtyBarj.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

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memory/520-78-0x000007FEFBF11000-0x000007FEFBF13000-memory.dmp

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8KB

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memory/1052-54-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

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