2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55

Analysis

max time kernel
148s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 05:16

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General

Target

2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe
Size

2.0MB
MD5

4d12e91a527055ee6f39b8f93dcc0c7b
SHA1

35c9d94e8a8f74f3ac7f7033f5a5d2291836bdd8
SHA256

2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55
SHA512

df542af697309adf02c96a27b36cbb90cfdb8f8632d55e6e6e3b5f4e7ab3cb8722dbacc8642e8ce5fc9605adf099804c94b43a58d01735319380dca516635286
SSDEEP

24576:h1OYdaOUjfen1Y6KIc8dPc3Mp6CzcJcB1TE1VyDGxQQYxMfyylmCHxxyJGb8t6:h1Os0ZIdJc346K1TcAGb8t6

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4032	srgn1C2BdZcNFUm.exe

Loads dropped DLL 3 IoCs

pid	Process
4032	srgn1C2BdZcNFUm.exe
4872	regsvr32.exe
5052	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\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gljeddlpbpajiccbnnlpcgicjboblffn\2.0\manifest.json	srgn1C2BdZcNFUm.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\gljeddlpbpajiccbnnlpcgicjboblffn\2.0\manifest.json	srgn1C2BdZcNFUm.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\gljeddlpbpajiccbnnlpcgicjboblffn\2.0\manifest.json	srgn1C2BdZcNFUm.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\gljeddlpbpajiccbnnlpcgicjboblffn\2.0\manifest.json	srgn1C2BdZcNFUm.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\gljeddlpbpajiccbnnlpcgicjboblffn\2.0\manifest.json	srgn1C2BdZcNFUm.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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	srgn1C2BdZcNFUm.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\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\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	srgn1C2BdZcNFUm.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	srgn1C2BdZcNFUm.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	srgn1C2BdZcNFUm.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll	srgn1C2BdZcNFUm.exe
File created	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.dll	srgn1C2BdZcNFUm.exe
File opened for modification	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.dll	srgn1C2BdZcNFUm.exe
File created	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.tlb	srgn1C2BdZcNFUm.exe
File opened for modification	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.tlb	srgn1C2BdZcNFUm.exe
File created	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.dat	srgn1C2BdZcNFUm.exe
File opened for modification	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.dat	srgn1C2BdZcNFUm.exe
File created	C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll	srgn1C2BdZcNFUm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4032	1140	2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe	80
PID 1140 wrote to memory of 4032	1140	2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe	80
PID 1140 wrote to memory of 4032	1140	2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe	80
PID 4032 wrote to memory of 4872	4032	srgn1C2BdZcNFUm.exe	83
PID 4032 wrote to memory of 4872	4032	srgn1C2BdZcNFUm.exe	83
PID 4032 wrote to memory of 4872	4032	srgn1C2BdZcNFUm.exe	83
PID 4872 wrote to memory of 5052	4872	regsvr32.exe	84
PID 4872 wrote to memory of 5052	4872	regsvr32.exe	84

C:\Users\Admin\AppData\Local\Temp\2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe
"C:\Users\Admin\AppData\Local\Temp\2c8adc24bdb0f8bde43fd623b4771e699b97a2f77c3340ad5e003158b0facc55.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\srgn1C2BdZcNFUm.exe
  .\srgn1C2BdZcNFUm.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:4032
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:5052

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\tzXdA2laeBQDwG.dat

Filesize
6KB

MD5
3b3256a097b8d856ce1b51b0033ef9ae

SHA1
6d5a007fd51e3c3d0582d4e34353abb52db86a82

SHA256
5c108efaa2dfc2a101296b358aef504cf252b0efbeb81354c115b177b24ff60a

SHA512
c8647418c4380ed81bc2d6f2c73590b633c148b4a332d7f69611a9d46e678c9c34b8cb14ae43f7f784f329ed6e2ba819cd1cdf1c54dc594fc5b6dbb2eb6428e1

Download Submit
C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.dll

Filesize
613KB

MD5
0df7c26b4abf65cd6ca180c2ddc7ae4b

SHA1
d43e0770e0a5778525a4828f46e1e4448cdc9aa8

SHA256
f133fed29f50b1cdc8af2043608b14f8f20ab5349a2cfe16536d089966eb120b

SHA512
29ca79a58784de2855975849a94f0f3e55b3a13ece1cf9ff25db98d397c1758d88df8ac4887dfb48b28a89564e60a3a0195140d154ce0d0b81569fd0931fc474

Download Submit
C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll

Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll

Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Program Files (x86)\GoSave\tzXdA2laeBQDwG.x64.dll

Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\gljeddlpbpajiccbnnlpcgicjboblffn\AS.js

Filesize
5KB

MD5
7f5b350499a09a3bdd56fc6bd83464e1

SHA1
b0e061132ab647a02d740117564dd35c3617c33a

SHA256
2b9fb26e0c1e75f2748b6a2cbf209b929308a68ec7b87df51e08be36a504a167

SHA512
925c34779a0ca873293b24f58e5f0f90762df7b9c11efcaea075e72ddf10d942526dd1ec33de8674f67b43fdeba791ca9f831c927267c46fd63a67522ec23d3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\gljeddlpbpajiccbnnlpcgicjboblffn\background.html

Filesize
139B

MD5
e08e06c90580b23c054ca4ec7992e6de

SHA1
b13788d4e21cff7e7240e529c7fbd1fb124f690e

SHA256
3fe16d485472535e5aab8407d2d37ccf72b5d347701eea661e65318dfb2d7be9

SHA512
146703362363bcff91d0718be5ebec15c35fe8fb1063c42dad376a7d8a7eef17c401d46672c837eff7bdf57fa5c9c58407715b5b81139c0b2580d2e593f62bf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\gljeddlpbpajiccbnnlpcgicjboblffn\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\gljeddlpbpajiccbnnlpcgicjboblffn\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\gljeddlpbpajiccbnnlpcgicjboblffn\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\srgn1C2BdZcNFUm.dat

Filesize
6KB

MD5
3b3256a097b8d856ce1b51b0033ef9ae

SHA1
6d5a007fd51e3c3d0582d4e34353abb52db86a82

SHA256
5c108efaa2dfc2a101296b358aef504cf252b0efbeb81354c115b177b24ff60a

SHA512
c8647418c4380ed81bc2d6f2c73590b633c148b4a332d7f69611a9d46e678c9c34b8cb14ae43f7f784f329ed6e2ba819cd1cdf1c54dc594fc5b6dbb2eb6428e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\srgn1C2BdZcNFUm.exe

Filesize
625KB

MD5
ca04c0f764aa0797cbe40913d3d8d17f

SHA1
7358d68ace7d7e6213726433c41dd7b781762d74

SHA256
a018bdb7e28a4e0dd07da454e8192045f5994c66f95c47defaa0ce40661fc90f

SHA512
fae69fd13b4b9308973ff713fe7c6ee10525b76e9c70106dbe08673d86b6ecc3ebf5d90f6c3a461d64352726de28fbb5903c89db28916423766810c62686f0c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\srgn1C2BdZcNFUm.exe

Filesize
625KB

MD5
ca04c0f764aa0797cbe40913d3d8d17f

SHA1
7358d68ace7d7e6213726433c41dd7b781762d74

SHA256
a018bdb7e28a4e0dd07da454e8192045f5994c66f95c47defaa0ce40661fc90f

SHA512
fae69fd13b4b9308973ff713fe7c6ee10525b76e9c70106dbe08673d86b6ecc3ebf5d90f6c3a461d64352726de28fbb5903c89db28916423766810c62686f0c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\tzXdA2laeBQDwG.dll

Filesize
613KB

MD5
0df7c26b4abf65cd6ca180c2ddc7ae4b

SHA1
d43e0770e0a5778525a4828f46e1e4448cdc9aa8

SHA256
f133fed29f50b1cdc8af2043608b14f8f20ab5349a2cfe16536d089966eb120b

SHA512
29ca79a58784de2855975849a94f0f3e55b3a13ece1cf9ff25db98d397c1758d88df8ac4887dfb48b28a89564e60a3a0195140d154ce0d0b81569fd0931fc474

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\tzXdA2laeBQDwG.tlb

Filesize
3KB

MD5
ab50bfd160f5251c1c06947ba8523db0

SHA1
7940cc61ab4e0bb82afc03dd141eaf8bd963c091

SHA256
a23c9c376478404d8f90d1d984935f7b5e5f2e5674fd8a7642dc89f2b1b2c4a8

SHA512
506baa3f8ca880eeb4d26e9744babef326d2b5b1fb0971c712072c4aeeaaaff702847c045fe0270d45cc71a0b7fb53ba0af60aeaa34f5154f9617c85a06c3334

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\tzXdA2laeBQDwG.x64.dll

Filesize
695KB

MD5
2e506193dce62c7f1cf73d8709f60d2d

SHA1
746e4a7b0505d2eb486896c913c917075f23d974

SHA256
18f9cd61c2de7ce04bb14e08820d52cc42e9b2b5a63dd9770d83df2867947d9a

SHA512
bb49793b6263920a61d602b2cb33e241cfc5e3c624a65b62dcd7ad4924fdceeefe4d73c08c5c5163860a65438262439a64119c13c734fc404f01be8d0085fb64

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
f4ca073ea6867a53844b400fef20e82a

SHA1
f558d00c35ffdbea916073b3b18fcbb514bc3a2f

SHA256
8014b046225f8cb268b7b4137593aa8392d0fa069329eef3680a7ab1a998e917

SHA512
a3055ada94fab5ce989ceee89c6a986b38d6999c02f5ce22dc8bfc467c500300d2e1feebda54cb944e53f463baa824e567062d51ca06f60d13370b6d2edc6e89

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
4ea3cce611710c2a4c9d98297827e391

SHA1
fbfe6e0d09c609d1c13ee3066f482c10718d8e02

SHA256
1e42782ed1f046d5c496a53d547c843cf5dcc9d4e1db1eca03baea233a949817

SHA512
f451da3ac80e76c4afae6417a7483e5ec0988d2d51e03338c54e8b3f9fa01610bab733e8edd519d09346bda04049f85597ab85ccea4c590b77e3959ddd28e8ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSB80A.tmp\[email protected]\install.rdf

Filesize
596B

MD5
d049fdce2ea39bbad87c26e8c7e3efdd

SHA1
b9c4c92ce886d423e832e810043c7097f6ca2126

SHA256
f56ce842837e92434478ec84fa1598e0499f833f681839bfe6632266fca5c4d8

SHA512
f2953f5fea6259981425342167259d82be0310aded029de94c26ab67347d763ec7a88f63e97b38b75f610575d393fbc87afa219fce864c706583f364f2c4628f

Download Submit