2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e

Analysis

max time kernel
37s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 09:14

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General

Target

2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe
Size

2.1MB
MD5

f49b3bea288b5c577481f0aff8b576c4
SHA1

5695779005d482b65f8cc58190015dea828fdfab
SHA256

2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e
SHA512

2580f6092a4061ffc459dbfadc14b48c4177d8fe9af52c04d5967db72dec6c7de6c102231d51d08e09e553db45c7afcbf05de05a310dad8ac61b2638c871896d
SSDEEP

49152:h1Ospa+y5xECQXXb/tUkOHelsTTCjqYxqW:h1OitBOHSb5

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	4vIwE5LTyFfWHD4.exe

Loads dropped DLL 4 IoCs

pid	Process
1636	2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe
1736	4vIwE5LTyFfWHD4.exe
1392	regsvr32.exe
1156	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\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ioenblcgpfapfiekedokockfjkladoif\2.0\manifest.json	4vIwE5LTyFfWHD4.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ioenblcgpfapfiekedokockfjkladoif\2.0\manifest.json	4vIwE5LTyFfWHD4.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ioenblcgpfapfiekedokockfjkladoif\2.0\manifest.json	4vIwE5LTyFfWHD4.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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	4vIwE5LTyFfWHD4.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\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}	4vIwE5LTyFfWHD4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	4vIwE5LTyFfWHD4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	4vIwE5LTyFfWHD4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	4vIwE5LTyFfWHD4.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\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	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 created	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.x64.dll	4vIwE5LTyFfWHD4.exe
File opened for modification	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.x64.dll	4vIwE5LTyFfWHD4.exe
File created	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.dll	4vIwE5LTyFfWHD4.exe
File opened for modification	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.dll	4vIwE5LTyFfWHD4.exe
File created	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.tlb	4vIwE5LTyFfWHD4.exe
File opened for modification	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.tlb	4vIwE5LTyFfWHD4.exe
File created	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.dat	4vIwE5LTyFfWHD4.exe
File opened for modification	C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.dat	4vIwE5LTyFfWHD4.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1736	1636	2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe	27
PID 1636 wrote to memory of 1736	1636	2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe	27
PID 1636 wrote to memory of 1736	1636	2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe	27
PID 1636 wrote to memory of 1736	1636	2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe	27
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1736 wrote to memory of 1392	1736	4vIwE5LTyFfWHD4.exe	28
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29
PID 1392 wrote to memory of 1156	1392	regsvr32.exe	29

C:\Users\Admin\AppData\Local\Temp\2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe
"C:\Users\Admin\AppData\Local\Temp\2421b859efaad8776331f0041e43a0ba2e829e9ac2a8c858d6613bccf193a88e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\4vIwE5LTyFfWHD4.exe
  .\4vIwE5LTyFfWHD4.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:1736
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1392
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:1156

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

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Downloads

C:\Program Files (x86)\GoSave\tDqvWJPPqHOKdX.dat

Filesize
6KB

MD5
ad334a7540fdee7d16f642a9d9593430

SHA1
b5996db573a03d0c23f9922c1f7f855ccbed6b45

SHA256
95bc2caa9ceb2525702f23422498fecd8e5a392eb5c45a474e145ce61780a6b6

SHA512
604c1eefb00cbf09147fc001437e039feb17531fa5cd7cf1e3c1aef412e225c2ff9b2fd17a85f4dd0ea6bcb8106833ff6ee8defff092fd7e8a0a53fc56fc08f8

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

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\4vIwE5LTyFfWHD4.dat

Filesize
6KB

MD5
ad334a7540fdee7d16f642a9d9593430

SHA1
b5996db573a03d0c23f9922c1f7f855ccbed6b45

SHA256
95bc2caa9ceb2525702f23422498fecd8e5a392eb5c45a474e145ce61780a6b6

SHA512
604c1eefb00cbf09147fc001437e039feb17531fa5cd7cf1e3c1aef412e225c2ff9b2fd17a85f4dd0ea6bcb8106833ff6ee8defff092fd7e8a0a53fc56fc08f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\4vIwE5LTyFfWHD4.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\4vIwE5LTyFfWHD4.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
495e31b517ce920026c492c2cec9970a

SHA1
ef507ed28cffb939451e2541833336e1d8bf7dfe

SHA256
e2f5d0f2275d7bab723f1330d00395d79d437976fde15a5560f157a54d4fa80e

SHA512
3212fda777adb97e06bda681f9b0a707dccef2adce1a957fa86c6d7dae206f302e9460a73b420dc36e1072389447de14e9a5d43b363c2af46244cccc385ada90

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
9cf7f1d8ca6c511bbb192e73d6116d17

SHA1
7bafa9593b84890090e22eb3ea39062f525d795c

SHA256
7ecffcbead3e1ed9786f150a2c54e2c9597c71923a1eb574a50d9198a3cbeb0a

SHA512
0da62f156f3420b3d0a8c52b638cb15d8cf0a39ea551495caec10c4fc326d42be00c481ebb87a6d1ba482a23daadec6c6bf3974da0ea3a20d0e263835a31fca3

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\[email protected]\install.rdf

Filesize
594B

MD5
e8a5a3b6ad900ff767b96511f19973c9

SHA1
09d4d3e19c7f2359d22cabf323cac9f7ccc2fcf6

SHA256
838c49aea136090517707177e7a2633de9b6126bb0c3e32548ff8fda23d144d2

SHA512
4c4d63e32fb958425e03ce40e99a0ea8d2dae4e67a1fcfc83d0508672ae6fc3ef46a6317cf7e4e6a4a327128ddde2fac71afda6834404069364741e55765af2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\ioenblcgpfapfiekedokockfjkladoif\background.html

Filesize
139B

MD5
2c41021a2fc190a673638118ea5fa6c2

SHA1
5eaf1d9587383f61a04f72c1db5c52656f631711

SHA256
9d1c8dae551db89606915e48fb0762e21303fa48c3286f79fc870dc1b3dcd778

SHA512
573214ff96a0e9aa891883cb8cbb283be8ddb35cd78d952212d7f70d9ed6a326cdeeb41a56d48e58abaace6db4bfa647ee514e99c18a83c8f3a750c1b696f6a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\ioenblcgpfapfiekedokockfjkladoif\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\ioenblcgpfapfiekedokockfjkladoif\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\ioenblcgpfapfiekedokockfjkladoif\mB.js

Filesize
5KB

MD5
03fdcbbb4024adc24b3d8697bef7347d

SHA1
4d4921db6040b94712b3439fbe5a88f191983c52

SHA256
bedc23e845fc41222af0b44670081da9bf6090d9cd44db815cc22c32dd8a22b7

SHA512
6d394575c242747409bdb6573e99887b2c042c9f2d8e8a9e4440981be8f473d38a9a03d437b793d2e649768ad77c9eb709c8a6be402af07cdc28c3e191560a5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\ioenblcgpfapfiekedokockfjkladoif\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\tDqvWJPPqHOKdX.dll

Filesize
618KB

MD5
080d8ffcd7f74bb06445d791f818881b

SHA1
db62fc6730b548489a72d9c9de26f3a6045d25ab

SHA256
346d5c9733935935c828115a3eed81322dd67cea4574fe135059582719bc2c68

SHA512
b75dab95829d3d6cff47ae2b66218bd0b92798b114bbc55b6a9cf52d38e6baea31071a2bc34ec2210536a1e7e5f67a8ecbc0468bf0c139ead6cabdc657c47d52

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\tDqvWJPPqHOKdX.tlb

Filesize
3KB

MD5
16dfbf4806c531622bd907bbbf20fd4d

SHA1
388ca199001cda40623ce6fbe72660553062fb87

SHA256
c569ac7f3994c0fef451e56cbf9c2403fd52b90410d06ce0d4539a0b304b9d83

SHA512
d86f503c052e9cd3e46e29d838ab79e7ffa158f7661c336971e7dfa307cd8b03688a3f9d3b82fc01b699d2167fd25d9eef2a27b6b55f478c6fb775004e6507ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2981.tmp\tDqvWJPPqHOKdX.x64.dll

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

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

Filesize
618KB

MD5
080d8ffcd7f74bb06445d791f818881b

SHA1
db62fc6730b548489a72d9c9de26f3a6045d25ab

SHA256
346d5c9733935935c828115a3eed81322dd67cea4574fe135059582719bc2c68

SHA512
b75dab95829d3d6cff47ae2b66218bd0b92798b114bbc55b6a9cf52d38e6baea31071a2bc34ec2210536a1e7e5f67a8ecbc0468bf0c139ead6cabdc657c47d52

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

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

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

Filesize
700KB

MD5
0fba9bd6e998f56bfab3ec37cbe6a631

SHA1
6d6e2713ffea8a6a02b97adce0cbcf4c642f1235

SHA256
357015113e010a4bb715d6b6b8c6b08286bdb34adb87656bc249c762a0d239d1

SHA512
88da22df4bf81b3008e143a696ab636748fea4605d77594d3521533416513b9c6ca13433e613bf26fa9678c14e9968b552ff5845c2df205852743032e56bb358

Download Submit
\Users\Admin\AppData\Local\Temp\7zS2981.tmp\4vIwE5LTyFfWHD4.exe

Filesize
624KB

MD5
8440fce178bb6c85832b0fbcc81c160c

SHA1
4d9672221d8e16ad24a706d2ba02552d59e9172d

SHA256
f5778940bb1f43bdf05ed87ca14fe95026455aa35c4a71f2b6912f6ed858baaa

SHA512
8160eaff06cf00ea502e570616a4d89778163c2cf7f175801519ed38fb528a753cc32aa17cf627cd738689e213acf747836ecf42571422f2adede6026904e3c8

Download Submit
memory/1156-78-0x000007FEFC311000-0x000007FEFC313000-memory.dmp

Filesize
8KB

Download
memory/1156-77-0x0000000000000000-mapping.dmp

Download
memory/1392-73-0x0000000000000000-mapping.dmp

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memory/1636-54-0x0000000075E51000-0x0000000075E53000-memory.dmp

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8KB

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memory/1736-56-0x0000000000000000-mapping.dmp

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