d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 07:08

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General

Target

d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe
Size

2.1MB
MD5

34d03b5475bf31ee9b09e2eddaac692b
SHA1

d9464d0c766a5b5beb91aaf5cb4d3e967c4d9abf
SHA256

d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757
SHA512

690d618dd40d33497eb7837de3a00d7570228f4d9ef99281613a2dba13fd5b55cdd634643293c191e411142f8489d7e6e7db7c11547605714fb47cc1c1505a7a
SSDEEP

24576:h1OYdaOVTwLleYkTVug2PiL0jHM8WK5z6Sh19BUfOD4XRt1otyBNvJvMXzGK5Ihb:h1OsQLARTQ9PimJWtShQnvQsru2

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1288	AV0VSzp8e7a8xAs.exe

Loads dropped DLL 4 IoCs

pid	Process
1304	d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe
1288	AV0VSzp8e7a8xAs.exe
2040	regsvr32.exe
764	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\mcdkbippcmomnojdcjpmoibalfbdmdjl\2.0\manifest.json	AV0VSzp8e7a8xAs.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mcdkbippcmomnojdcjpmoibalfbdmdjl\2.0\manifest.json	AV0VSzp8e7a8xAs.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mcdkbippcmomnojdcjpmoibalfbdmdjl\2.0\manifest.json	AV0VSzp8e7a8xAs.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 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}	AV0VSzp8e7a8xAs.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	AV0VSzp8e7a8xAs.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	AV0VSzp8e7a8xAs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	AV0VSzp8e7a8xAs.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\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	AV0VSzp8e7a8xAs.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 created	\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\kMDyTEDZI6K4I3.x64.dll	AV0VSzp8e7a8xAs.exe
File created	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.dll	AV0VSzp8e7a8xAs.exe
File opened for modification	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.dll	AV0VSzp8e7a8xAs.exe
File created	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.tlb	AV0VSzp8e7a8xAs.exe
File opened for modification	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.tlb	AV0VSzp8e7a8xAs.exe
File created	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.dat	AV0VSzp8e7a8xAs.exe
File opened for modification	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.dat	AV0VSzp8e7a8xAs.exe
File created	C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll	AV0VSzp8e7a8xAs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1288	AV0VSzp8e7a8xAs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 1288	1304	d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe	27
PID 1304 wrote to memory of 1288	1304	d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe	27
PID 1304 wrote to memory of 1288	1304	d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe	27
PID 1304 wrote to memory of 1288	1304	d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe	27
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 1288 wrote to memory of 2040	1288	AV0VSzp8e7a8xAs.exe	28
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29
PID 2040 wrote to memory of 764	2040	regsvr32.exe	29

C:\Users\Admin\AppData\Local\Temp\d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe
"C:\Users\Admin\AppData\Local\Temp\d62b282664a7bebb52be640ad252063cf241b5422844e7a2b2a4a42c54168757.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\AV0VSzp8e7a8xAs.exe
  .\AV0VSzp8e7a8xAs.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:1288
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:764

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\kMDyTEDZI6K4I3.dat

Filesize
5KB

MD5
c17e0f8eff9e2b73ff97fe346c73c3c0

SHA1
f9460a53121a171d94d518a33bc1d07fbfc27801

SHA256
735f0a84184daf43d945be84ba5f88d0da61b4a209621f5c884b53abef65e109

SHA512
76ecca658c76a083841dcf50edf3ce8e18847940936519ddec82dd2adf12cb8b7b537906c24fb2eb06567ce19feae3dc9f18155c9b524e62b8b9de0dd1fe54c2

Download Submit
C:\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\AV0VSzp8e7a8xAs.dat

Filesize
5KB

MD5
c17e0f8eff9e2b73ff97fe346c73c3c0

SHA1
f9460a53121a171d94d518a33bc1d07fbfc27801

SHA256
735f0a84184daf43d945be84ba5f88d0da61b4a209621f5c884b53abef65e109

SHA512
76ecca658c76a083841dcf50edf3ce8e18847940936519ddec82dd2adf12cb8b7b537906c24fb2eb06567ce19feae3dc9f18155c9b524e62b8b9de0dd1fe54c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\AV0VSzp8e7a8xAs.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\AV0VSzp8e7a8xAs.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
6256a7de5f3749769c49b400db0fc5dc

SHA1
6cbdaef5f65864b63ff73c0412ec38a2c8c0a3ca

SHA256
fbf0b3a9f2c216b7f693586cf97636941e26c90dd9aece6709d9a56c718ef9e6

SHA512
4fd480e4ec5208fcb2397a346321f227281a2962e7578abab732a2f759966efa0258349bc0479b36f98a0a6c3c541792062d9927eb9acc8b63f79f8b7c1fef3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
b073a9134195d9d100db2375cec81bf5

SHA1
fecd6fcedd59233728d1ac11925540d511c6c94d

SHA256
ad5d2c9827cb70b29d1aa12c357b4a5dc4a085179807e153f5e7d046ebb9e769

SHA512
bb806f823510f0b272d21d0d95236f06ae0f735e23a79300987b020ebc861fef08bf9b2988e8bb646d31a323f25890c851f9c2a012ccc5357a7526f9eadef8ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\[email protected]\install.rdf

Filesize
594B

MD5
3be06eb60685d09305e040ebdc9c4fde

SHA1
c4f82eec57b7200c87efed729c77e99bcbc1f601

SHA256
4f5d943679fd67623daf702f78e5d62a22f0ad4b079ac2170597adcd708a6ab8

SHA512
9609c00ca3669b47786f86d5f7245da04b01c2c1d57cc4760c7bbc88a7618354db9214f82373adf94e9bebd7d2cafd98611d22da839aec111fd372c3b354e7ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\kMDyTEDZI6K4I3.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\kMDyTEDZI6K4I3.tlb

Filesize
3KB

MD5
d5c4233a6c3de331b459f5f6a35ae3dd

SHA1
b5f1bf145f4e0896d7ae500abecbfaca715c18ab

SHA256
f3fca93b2a2848af13dcd30cad6305d20319d0a96f622f96753c1aebb91c885c

SHA512
4af48daa80dcd76cf45018d7edef74f35c5917457dd598f5a2071bba8875d75280326e41f3f5885d5301a596c22a3833cb062e2f4c97e0d83a01ad2644056e76

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\kMDyTEDZI6K4I3.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\mcdkbippcmomnojdcjpmoibalfbdmdjl\QH1G6PG.js

Filesize
5KB

MD5
6cee1b3c29f1ee542eecce43bdf31fca

SHA1
bcd1a4a402362958627d723f52fccb05b9f9983a

SHA256
8012e2a302438b63da9911508cc761a56d85355815bc2d295cb27c363c1d559e

SHA512
1ed349a5d51f1f8551ad7c9f0972418e5c77e437fc0e4c5e7db06b4f512deba8199e5bc64aa56ff7eec35c3d153c9c5e1b2ea6845dd00f84a103b3c7825a64e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\mcdkbippcmomnojdcjpmoibalfbdmdjl\background.html

Filesize
144B

MD5
7ed2e49d166b1f13ff74e0a72ffd3741

SHA1
fe1fbae9763d475a9d17e387f604c085782a2eb1

SHA256
4114882779c863142bab799c1f8f2a1b59aa048f4bf6505db0f13e319ae7d7d8

SHA512
5ee77187a6a880bd7bdf253796eb053e18121e6dbc0a969c590176708990126e29062427f6328664331595447ba83d27d4947f6b6451898d2a060789ef4da479

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\mcdkbippcmomnojdcjpmoibalfbdmdjl\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\mcdkbippcmomnojdcjpmoibalfbdmdjl\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\mcdkbippcmomnojdcjpmoibalfbdmdjl\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.dll

Filesize
611KB

MD5
123fde8f1a45be2f971b36a8ae5457ef

SHA1
78f77c976bec0b388407f986e7866818512eec97

SHA256
12869f73fb78fcbb8876e10772d081890b19fd1e228dd83ca012416cf26e931e

SHA512
4ae3708e45e15a49e7ba1d338a9186ed47f41abe57727d57833a33be887043dcb950d02bc52f79ee414df0df56c3e87f213995fa222a6f0e1c659393860231d9

Download Submit
\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
\Program Files (x86)\GoSave\kMDyTEDZI6K4I3.x64.dll

Filesize
693KB

MD5
c59945c3f5074d51077f2d598680aa11

SHA1
7d2ab4599f476d9da677283bdfcff5164a30b2e7

SHA256
10658a9b7ad99f84d73c77bde58761c89f37b1318f90197710d63824ae894b5b

SHA512
d3ccea87caba7d10776c0d4726b26cad81e85562270a1c873a59ab59a0d73336bae0af6cb6a242fb8f1b4cb4278636ed9995bd03f4f0b32d84a705e19a7b7e61

Download Submit
\Users\Admin\AppData\Local\Temp\7zS1EE7.tmp\AV0VSzp8e7a8xAs.exe

Filesize
634KB

MD5
8b3b2e0c8e5f6fdefb32e82daf230175

SHA1
4ddeb5ed636661376b8e1ef41e5162387724ed44

SHA256
e7be2ab45ff78525377a8da7205bbc29f871c907ddf30879d29aa0c219f65e99

SHA512
8aeb49852cb6a1335df799e8e30b34d83303a225c1a7b2e029368246d81463d653109a4454a3f9196fa050c2a5e9ba4dc8372900c55ce989c821c954cb850038

Download Submit
memory/764-78-0x000007FEFC211000-0x000007FEFC213000-memory.dmp

Filesize
8KB

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memory/1304-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

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