d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa

Analysis

max time kernel
12s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 13:40

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General

Target

d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe
Size

2.1MB
MD5

fb40e9b6c1913e06b6ed5ca4cdf86631
SHA1

4a07390985d19d025cfec903c4730f9b66454f2e
SHA256

d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa
SHA512

1fd86ee87757929808a3612d48fa595d0238431c5758fb43fe5e3e2d4580228eb1cc36f1b589e4baeb397b8795bad0d9a33161548e25b3ef76071a6f51e81188
SSDEEP

49152:h1OsghvaZG1MVEtzijkTvu2x/uw4B8FHFF6+:h1OpvaxMziy3P

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1560	UaHeKL6vQk4WtA1.exe

Loads dropped DLL 4 IoCs

pid	Process
1628	d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe
1560	UaHeKL6vQk4WtA1.exe
2008	regsvr32.exe
2032	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\mkmbfacapgafnmolilgefmaakmbjmldk\2.0\manifest.json	UaHeKL6vQk4WtA1.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkmbfacapgafnmolilgefmaakmbjmldk\2.0\manifest.json	UaHeKL6vQk4WtA1.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mkmbfacapgafnmolilgefmaakmbjmldk\2.0\manifest.json	UaHeKL6vQk4WtA1.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\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	UaHeKL6vQk4WtA1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	UaHeKL6vQk4WtA1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	UaHeKL6vQk4WtA1.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\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	UaHeKL6vQk4WtA1.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\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\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	UaHeKL6vQk4WtA1.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll	UaHeKL6vQk4WtA1.exe
File opened for modification	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll	UaHeKL6vQk4WtA1.exe
File created	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.dll	UaHeKL6vQk4WtA1.exe
File opened for modification	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.dll	UaHeKL6vQk4WtA1.exe
File created	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.tlb	UaHeKL6vQk4WtA1.exe
File opened for modification	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.tlb	UaHeKL6vQk4WtA1.exe
File created	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.dat	UaHeKL6vQk4WtA1.exe
File opened for modification	C:\Program Files (x86)\GoSSave\KOciadyodXebKR.dat	UaHeKL6vQk4WtA1.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1560	1628	d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe	27
PID 1628 wrote to memory of 1560	1628	d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe	27
PID 1628 wrote to memory of 1560	1628	d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe	27
PID 1628 wrote to memory of 1560	1628	d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe	27
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 1560 wrote to memory of 2008	1560	UaHeKL6vQk4WtA1.exe	28
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29
PID 2008 wrote to memory of 2032	2008	regsvr32.exe	29

C:\Users\Admin\AppData\Local\Temp\d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe
"C:\Users\Admin\AppData\Local\Temp\d5139dcd51600f9d23542f3bc57f8c3e9f1c9a1b3805e3fcdc779b6e341869fa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\UaHeKL6vQk4WtA1.exe
  .\UaHeKL6vQk4WtA1.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:1560
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2008
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:2032

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)\GoSSave\KOciadyodXebKR.dat

Filesize
6KB

MD5
5b2b5317afe63c02658e9204c0f90e0f

SHA1
fecb7ce1447aae36d09ebadfca7f2cff29758f2d

SHA256
4592272497471d27acbf4886cf2e6f135b1d2316bc37f33fb9ca2eddee56381f

SHA512
3642f8e8fade2614e2018c0087c2542c3873ade185430c43d5fc324e08d5fad225a0fd26bd161448a65ed5700c67fae24671c342cfe9f5040b099cae1c7d2a04

Download Submit
C:\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\KOciadyodXebKR.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\KOciadyodXebKR.tlb

Filesize
3KB

MD5
8af6f42a5b16ced04702514d47052053

SHA1
f06e43c9710e27b38063652217874f6fc8515ea0

SHA256
0fc752f18e2f21a6d0b45fb9769deefe70d4690e72225037a37d1dc0553ae8ed

SHA512
2d1fedf6693f0347d9265436fbc17515fa9a904db54170181ca7a6d5c64a4928494a20a1eb489d646602ed2769e570bfb5835bffd241a53a8fe64d5767b9234b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\KOciadyodXebKR.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
c4f20474fa2cf98e4a913bcf0a2daa47

SHA1
881aa54125e491a2710fc60aac9d465785c2ad06

SHA256
95c1dd7b237396a9c58440a98a0624219fe28ec107e2faa17dbf0ba332f7b3b1

SHA512
8791332b81f16635b228a3cdd8948b26686871aad67a7302feaf49cfe18ee5a2925f54cab151cc7c6cdfadd9ba4d875382e1396b27a2cec3b954cacc1b8c55ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
0d4bf771d94e81ccab7f0879eb79cdeb

SHA1
11a2f417b440181110d6eaa15d751a490d5c8a56

SHA256
d67175dc8a2ec01df8e2f994bd3de5564aa971c803a65a47abcd858d7887a184

SHA512
8fec9dea9fd85dc6af35796d49beff316de1efeae753c1a1a90954277e368e14d882b4757b2416c9f3e31c51f4f2213bd5ff34bd56d375e0075a48d22ccc096e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\[email protected]\install.rdf

Filesize
594B

MD5
34f48c2d8c207a4201741853456a6b9d

SHA1
dcca16a2edc9895fd9a480a7f33448bb487c1dcb

SHA256
ea8f3075b230ff82dc17fbda92ab4f2229639fa54b6047d112908225cd30cdc2

SHA512
245017070ed9e83676c28aeb45fe8a8307c8c4fadf467c36241b3f2865c93fa409482a7858c54fbb6ce89d58ae3b66d7d5458c6a26e1924d99f9fabb452f0c66

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\UaHeKL6vQk4WtA1.dat

Filesize
6KB

MD5
5b2b5317afe63c02658e9204c0f90e0f

SHA1
fecb7ce1447aae36d09ebadfca7f2cff29758f2d

SHA256
4592272497471d27acbf4886cf2e6f135b1d2316bc37f33fb9ca2eddee56381f

SHA512
3642f8e8fade2614e2018c0087c2542c3873ade185430c43d5fc324e08d5fad225a0fd26bd161448a65ed5700c67fae24671c342cfe9f5040b099cae1c7d2a04

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\UaHeKL6vQk4WtA1.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\UaHeKL6vQk4WtA1.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\mkmbfacapgafnmolilgefmaakmbjmldk\background.html

Filesize
147B

MD5
32c017157a70bf9f3e2a4d8765391e26

SHA1
6f5422fbad121ee6be901a61c6888a77f9c760ce

SHA256
c07cc34e918775e8c8e8c5a8d7a2dee18bc45efb2f580183886c681ecb12438a

SHA512
4bd31645d45c9be1323c8283e0ff1178ae581f35f0a815df9067dad8a7cf47356c16c5f4a3c9505c044f7f23a3133f1281d67307ead3684c19c3b8139b6f95f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\mkmbfacapgafnmolilgefmaakmbjmldk\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\mkmbfacapgafnmolilgefmaakmbjmldk\eYETr9R8Pn.js

Filesize
5KB

MD5
2e5ef517427fcca8d74a52943a579a04

SHA1
0fd8e2ec2cb4d7a3c14e1270338a60451a84c665

SHA256
8778a894357a7b0f7c6e2aa72bbde7794cefda7314b763ecca32636761ab7ec8

SHA512
1b82a78b67fd1df0d8171ce791899f079c904c5e54bff98ae60a5927bbf2661faa37768414026ab21be6833873d19f0b7b6390a8720db33b711b23351abc4816

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\mkmbfacapgafnmolilgefmaakmbjmldk\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\mkmbfacapgafnmolilgefmaakmbjmldk\manifest.json

Filesize
499B

MD5
eb05de53f375bc74691c7651d864f770

SHA1
8b41a52cf88ca96cf83167435ffccc956595faaf

SHA256
c8d7ad676efff8b7496757cde7fcd4bf0b23769c1b375c6e1799fdff5ff53ff0

SHA512
8c052ecc894bdf4fbda1fc2c7d40420c7ac604820a1288a1fa6541f3738e7637cf9da709697a2516909d988f34f20a0330aaf1cd1b0b62c9bae55e237b90889f

Download Submit
\Program Files (x86)\GoSSave\KOciadyodXebKR.dll

Filesize
618KB

MD5
f180a95d8673cd01ce4af0ff678fa099

SHA1
8592fe958436e14ef9ace437ac4445ecca22e35e

SHA256
d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

SHA512
3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

Download Submit
\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
\Program Files (x86)\GoSSave\KOciadyodXebKR.x64.dll

Filesize
695KB

MD5
2af06e7424e4f53fa8ee2b8daf4cdaa3

SHA1
0a09aa095e38211b8fc512d2e9f8f7cf12159a19

SHA256
81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

SHA512
6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

Download Submit
\Users\Admin\AppData\Local\Temp\7zS7B77.tmp\UaHeKL6vQk4WtA1.exe

Filesize
634KB

MD5
bd1503d4eaae5e7f2a8cdbd9a88ec02a

SHA1
730280a7839bb46bdeeaa47797d926f8d57e1da1

SHA256
724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

SHA512
0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

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memory/1628-54-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

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memory/2032-78-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

Filesize
8KB

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