d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a

Analysis

max time kernel
166s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 20:02

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General

Target

d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe
Size

2.1MB
MD5

90b95d05168d121d9294f88456556001
SHA1

8e25de926a03f8bb1a5880d193ed3bf6efea8b52
SHA256

d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a
SHA512

9bb091d238a5367c63a7d41ebda72e708f0371fdac0d02264a5d03f08e8fde6e87f480e67288c8c28079b005815143be7634466ea316f58ced84af28ea60c367
SSDEEP

49152:h1OsWyg1w9APz7x4fWFF0AEyWrwGvtuE980w2NhTk:h1Omm7x+HA2A

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1640	Ec8jg9Ux3qT1HBS.exe

Loads dropped DLL 3 IoCs

pid	Process
1640	Ec8jg9Ux3qT1HBS.exe
3412	regsvr32.exe
3896	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\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\lepdjgmmkgoelmnbfjolfplalilcbbgd\2.0\manifest.json	Ec8jg9Ux3qT1HBS.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\lepdjgmmkgoelmnbfjolfplalilcbbgd\2.0\manifest.json	Ec8jg9Ux3qT1HBS.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\lepdjgmmkgoelmnbfjolfplalilcbbgd\2.0\manifest.json	Ec8jg9Ux3qT1HBS.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\lepdjgmmkgoelmnbfjolfplalilcbbgd\2.0\manifest.json	Ec8jg9Ux3qT1HBS.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\lepdjgmmkgoelmnbfjolfplalilcbbgd\2.0\manifest.json	Ec8jg9Ux3qT1HBS.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 created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	Ec8jg9Ux3qT1HBS.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	Ec8jg9Ux3qT1HBS.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	Ec8jg9Ux3qT1HBS.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 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\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	Ec8jg9Ux3qT1HBS.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.dat	Ec8jg9Ux3qT1HBS.exe
File opened for modification	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.dat	Ec8jg9Ux3qT1HBS.exe
File created	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll	Ec8jg9Ux3qT1HBS.exe
File opened for modification	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll	Ec8jg9Ux3qT1HBS.exe
File created	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.dll	Ec8jg9Ux3qT1HBS.exe
File opened for modification	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.dll	Ec8jg9Ux3qT1HBS.exe
File created	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.tlb	Ec8jg9Ux3qT1HBS.exe
File opened for modification	C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.tlb	Ec8jg9Ux3qT1HBS.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1640	Ec8jg9Ux3qT1HBS.exe
1640	Ec8jg9Ux3qT1HBS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 1640	3812	d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe	79
PID 3812 wrote to memory of 1640	3812	d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe	79
PID 3812 wrote to memory of 1640	3812	d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe	79
PID 1640 wrote to memory of 3412	1640	Ec8jg9Ux3qT1HBS.exe	80
PID 1640 wrote to memory of 3412	1640	Ec8jg9Ux3qT1HBS.exe	80
PID 1640 wrote to memory of 3412	1640	Ec8jg9Ux3qT1HBS.exe	80
PID 3412 wrote to memory of 3896	3412	regsvr32.exe	81
PID 3412 wrote to memory of 3896	3412	regsvr32.exe	81

C:\Users\Admin\AppData\Local\Temp\d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe
"C:\Users\Admin\AppData\Local\Temp\d579e9320dd4d84c5a53b078278aeb4e5aefb922cc8e40b7b18a0a7eac46437a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Ec8jg9Ux3qT1HBS.exe
  .\Ec8jg9Ux3qT1HBS.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:1640
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3412
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:3896

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\Tr5rQGSba7K87G.dat

Filesize
6KB

MD5
c418241a08ea854adae98e4ccd7f8861

SHA1
96161d8aca6487ca23a095606a13921243403c9c

SHA256
de573effc5d4001e73240eb64ea7fe2bb6a6417206cc61d257f539e80165ba58

SHA512
aa03957142ba4266fb8addee7b8c0bae695efcdf8bb4d1bbd13a5b65bd455998884d4c12172004a826c2f0eb70c2b97e552f80775db6a1ce3dca56eaef2008fd

Download Submit
C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.dll

Filesize
625KB

MD5
6a781f5f31ecb1c3a8638e87df67a98e

SHA1
f698f7ffb0ffbc4601e25cb54b212b98e6f38065

SHA256
df03a075bcdfafeb12efd73b7e0af730df268be9d1521c23db6c647b4b14250c

SHA512
4320859661de00919d2294113916ebedb27ce658cc5df9a111854a9c5628d9ccbdaf429c92b3d04c5b492f53aa243d9ea16bdd298360414cb55683752818f030

Download Submit
C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll

Filesize
705KB

MD5
cd52157931d8fb551f05d6f94a667942

SHA1
d28a7460b326a074b6d78c65787031ddc3e3481b

SHA256
fd42c2468d21b09b1154bc7f6fd068dcfdac3590a59c316d546efdae14670dca

SHA512
e58a607289476ce462b00df082b2bc097f5ef852752d860ab122bc93b15f7d2c2251926dc3aa9ac5cf2dc2bcd7a2f8c189413850dc88363b50d700bf80597d58

Download Submit
C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll

Filesize
705KB

MD5
cd52157931d8fb551f05d6f94a667942

SHA1
d28a7460b326a074b6d78c65787031ddc3e3481b

SHA256
fd42c2468d21b09b1154bc7f6fd068dcfdac3590a59c316d546efdae14670dca

SHA512
e58a607289476ce462b00df082b2bc097f5ef852752d860ab122bc93b15f7d2c2251926dc3aa9ac5cf2dc2bcd7a2f8c189413850dc88363b50d700bf80597d58

Download Submit
C:\Program Files (x86)\GoSave\Tr5rQGSba7K87G.x64.dll

Filesize
705KB

MD5
cd52157931d8fb551f05d6f94a667942

SHA1
d28a7460b326a074b6d78c65787031ddc3e3481b

SHA256
fd42c2468d21b09b1154bc7f6fd068dcfdac3590a59c316d546efdae14670dca

SHA512
e58a607289476ce462b00df082b2bc097f5ef852752d860ab122bc93b15f7d2c2251926dc3aa9ac5cf2dc2bcd7a2f8c189413850dc88363b50d700bf80597d58

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Ec8jg9Ux3qT1HBS.dat

Filesize
6KB

MD5
c418241a08ea854adae98e4ccd7f8861

SHA1
96161d8aca6487ca23a095606a13921243403c9c

SHA256
de573effc5d4001e73240eb64ea7fe2bb6a6417206cc61d257f539e80165ba58

SHA512
aa03957142ba4266fb8addee7b8c0bae695efcdf8bb4d1bbd13a5b65bd455998884d4c12172004a826c2f0eb70c2b97e552f80775db6a1ce3dca56eaef2008fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Ec8jg9Ux3qT1HBS.exe

Filesize
626KB

MD5
bdfeeb20d20002e152a867e9c4402fa0

SHA1
14976f1d569e2c31d58fa663d0bad24db2b8a2f3

SHA256
6191be58c3322af7481e871fe027fa31d42b7775fbfbc2b9b016c3302682b2c1

SHA512
a1d229659d51804b7b4a8ab5df7e05281ef0a2f862a9b9be66d890526183dd70a3cb843e2f80ec2d76ec6c4110e28b1859c45d52fec38ccca403a48a75a95f44

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Ec8jg9Ux3qT1HBS.exe

Filesize
626KB

MD5
bdfeeb20d20002e152a867e9c4402fa0

SHA1
14976f1d569e2c31d58fa663d0bad24db2b8a2f3

SHA256
6191be58c3322af7481e871fe027fa31d42b7775fbfbc2b9b016c3302682b2c1

SHA512
a1d229659d51804b7b4a8ab5df7e05281ef0a2f862a9b9be66d890526183dd70a3cb843e2f80ec2d76ec6c4110e28b1859c45d52fec38ccca403a48a75a95f44

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Tr5rQGSba7K87G.dll

Filesize
625KB

MD5
6a781f5f31ecb1c3a8638e87df67a98e

SHA1
f698f7ffb0ffbc4601e25cb54b212b98e6f38065

SHA256
df03a075bcdfafeb12efd73b7e0af730df268be9d1521c23db6c647b4b14250c

SHA512
4320859661de00919d2294113916ebedb27ce658cc5df9a111854a9c5628d9ccbdaf429c92b3d04c5b492f53aa243d9ea16bdd298360414cb55683752818f030

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Tr5rQGSba7K87G.tlb

Filesize
3KB

MD5
d792652153d090a0ed7b87c06b3aedff

SHA1
97fa22f10349eda25110059c91c7cbb1d976ded4

SHA256
c26dade7d387708cbfe6ab9eeea1e3778bf4926d7169331c273e332abacaef03

SHA512
afee973b717e2f032b225c397a9eb5dc2671cc0c09ed21ee874b1b4347740fbc9288b4837b57da115944b6cac7ddd9751e6613b3ff5f5c68043f31af9c390875

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\Tr5rQGSba7K87G.x64.dll

Filesize
705KB

MD5
cd52157931d8fb551f05d6f94a667942

SHA1
d28a7460b326a074b6d78c65787031ddc3e3481b

SHA256
fd42c2468d21b09b1154bc7f6fd068dcfdac3590a59c316d546efdae14670dca

SHA512
e58a607289476ce462b00df082b2bc097f5ef852752d860ab122bc93b15f7d2c2251926dc3aa9ac5cf2dc2bcd7a2f8c189413850dc88363b50d700bf80597d58

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\lepdjgmmkgoelmnbfjolfplalilcbbgd\background.html

Filesize
144B

MD5
22dc27477e241a7b5e55f56830be1c1b

SHA1
7e5bd93874832aa7f86ada2b0df45ca1a9cee930

SHA256
4d7168d31233a61c00ed795ffedce83bab062728a83076c50d900e95f41ab25c

SHA512
ee9f36f24f16c962bde2ce53e78c647a963b7997ac4431d3320dda3db384f3d80bb9b099e51c442db903567c5dc7b894fcaf57bfd99b7c7db4d9690593f6ba73

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\lepdjgmmkgoelmnbfjolfplalilcbbgd\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\lepdjgmmkgoelmnbfjolfplalilcbbgd\kUA3jPs.js

Filesize
5KB

MD5
7108c17f5fbb92d50006241e9e63b009

SHA1
530b770b7bf441af8023ee4895f71a2628a1ffe7

SHA256
a7cf4686fd627853cf938f8da394dc15a92240a4510ad81f0480e7071b419688

SHA512
c8b78a2ced5f65c6008b1b37d2cfb9cec5353d1e576da986ffc049c6016a19573aaa942f69f340336c25fc9dea1549fe7028a26821eb283f903ca01f669d8ab4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\lepdjgmmkgoelmnbfjolfplalilcbbgd\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\lepdjgmmkgoelmnbfjolfplalilcbbgd\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
75c2b8d86677a4101ba1b932788d694e

SHA1
b929183543b04103088d6cbd37d4ae789621d61c

SHA256
617be288e2c4dd19425d547c9cd794c82114005f0cc279c2999499a262965893

SHA512
a690b403efa69031f8c75385ab16304236ee2420eae77b9d49fc19457e527142b10f2151ac585e622d9e2ce7ed83b94f273d7c106145ea8d46d3efa3ea2de80c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
5130cf20aaebaccf40b6f66b4d1446fa

SHA1
135cda63f2a2d07b459cc5425bf34fddeda15e20

SHA256
ed46f7b64f999fa245082f809d38f98220acd95782c7c715e617f1f1e4c45d34

SHA512
0d473eeca135f8b29d99fd7a7c8977b74f9ba195c232a10298df2ac3b164df6d49bb15548bcb4dbb545fda9712c2c9c83e37b9d7873f6fa3d21204dd6a016ebe

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2CEC.tmp\[email protected]\install.rdf

Filesize
593B

MD5
4926449f7b8c1de3c17f2f606937721b

SHA1
7158a38bea2efc75782371c67963217ffd9e04de

SHA256
0ae23e941ffbc3f3a08e284a9ffaa07dd9c5dbae1b41ffa2270a56763d2e8ec8

SHA512
fc8a847be87dfd06c2fa3fa759f344824d9e8b636690320c5f87b18871dde0636eea6a15d8a88da28b2a78fa31121ff3eabad372a6976c9234fdc4a29a9e9ec1

Download Submit