4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde

Analysis

max time kernel
92s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 17:16

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General

Target

4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe
Size

2.1MB
MD5

394162705f0958ec6f51facd1b3cc0e0
SHA1

e2b2075b844c3636320cec5f7582458dc80f4833
SHA256

4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde
SHA512

489c8507e15b5e14bbf4d1b3ee3eb6b82c6354552094aba9eda296167d5150483cbb7105fce62020ca08f7f7d00c7440dd6756f495d45e5d029b0a0cad9de49e
SSDEEP

49152:h1OswAxPqbaJ0CqWfTAeP20icuFMDoiXrBSdCIlE05XwjXr3k:h1O1Axib7CqWfTAeP2vaDhtSdpt

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

5imnDPQLIWbixuU.exe

pid process

5072 5imnDPQLIWbixuU.exe
Loads dropped DLL 3 IoCs

Processes:

5imnDPQLIWbixuU.exeregsvr32.exeregsvr32.exe

pid process

5072 5imnDPQLIWbixuU.exe
2256 regsvr32.exe
1084 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

pid	process
5072	5imnDPQLIWbixuU.exe

pid	process
5072	5imnDPQLIWbixuU.exe
2256	regsvr32.exe
1084	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

5imnDPQLIWbixuU.exe

description	ioc	process
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\eljcaabcdodogpmceopkanfkmchaeebc\2.0\manifest.json	5imnDPQLIWbixuU.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\eljcaabcdodogpmceopkanfkmchaeebc\2.0\manifest.json	5imnDPQLIWbixuU.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\eljcaabcdodogpmceopkanfkmchaeebc\2.0\manifest.json	5imnDPQLIWbixuU.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\eljcaabcdodogpmceopkanfkmchaeebc\2.0\manifest.json	5imnDPQLIWbixuU.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\eljcaabcdodogpmceopkanfkmchaeebc\2.0\manifest.json	5imnDPQLIWbixuU.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

Processes:

5imnDPQLIWbixuU.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	5imnDPQLIWbixuU.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	5imnDPQLIWbixuU.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	5imnDPQLIWbixuU.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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	5imnDPQLIWbixuU.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 created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

5imnDPQLIWbixuU.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll	5imnDPQLIWbixuU.exe
File opened for modification	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll	5imnDPQLIWbixuU.exe
File created	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dll	5imnDPQLIWbixuU.exe
File opened for modification	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dll	5imnDPQLIWbixuU.exe
File created	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.tlb	5imnDPQLIWbixuU.exe
File opened for modification	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.tlb	5imnDPQLIWbixuU.exe
File created	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dat	5imnDPQLIWbixuU.exe
File opened for modification	C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dat	5imnDPQLIWbixuU.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5imnDPQLIWbixuU.exe

pid process

5072 5imnDPQLIWbixuU.exe
5072 5imnDPQLIWbixuU.exe

pid	process
5072	5imnDPQLIWbixuU.exe
5072	5imnDPQLIWbixuU.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe5imnDPQLIWbixuU.exeregsvr32.exe

description	pid	process	target process
PID 4648 wrote to memory of 5072	4648	4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe	5imnDPQLIWbixuU.exe
PID 4648 wrote to memory of 5072	4648	4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe	5imnDPQLIWbixuU.exe
PID 4648 wrote to memory of 5072	4648	4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe	5imnDPQLIWbixuU.exe
PID 5072 wrote to memory of 2256	5072	5imnDPQLIWbixuU.exe	regsvr32.exe
PID 5072 wrote to memory of 2256	5072	5imnDPQLIWbixuU.exe	regsvr32.exe
PID 5072 wrote to memory of 2256	5072	5imnDPQLIWbixuU.exe	regsvr32.exe
PID 2256 wrote to memory of 1084	2256	regsvr32.exe	regsvr32.exe
PID 2256 wrote to memory of 1084	2256	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe
"C:\Users\Admin\AppData\Local\Temp\4cb1e79e7d93a555dff06e65c5d28166efc00d85757b4304b669f5b738a39fde.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\5imnDPQLIWbixuU.exe
.\5imnDPQLIWbixuU.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:5072

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:1084

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dat
Filesize
6KB

MD5
e7797ea198342e57f4a52d66b358227d

SHA1
437b77a8d6768ed01f0ffc777ee045361ec79c1a

SHA256
a2e4fd20a9e0bb0b25c34f98796799bcdbc00af032bdc6305813c37e960bb154

SHA512
fd71a1fb3ac2215378cee175807bd8e4904fd9d9b04b12425085dfb36ef36781854615f1969bb076bfe030d55d81e1d3eb6f6f00c556a662c3b726a9ce4f910d

Download Submit
C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.dll
Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Program Files (x86)\GoSave\vi4vydLpuwW7Ce.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\5imnDPQLIWbixuU.dat
Filesize
6KB

MD5
e7797ea198342e57f4a52d66b358227d

SHA1
437b77a8d6768ed01f0ffc777ee045361ec79c1a

SHA256
a2e4fd20a9e0bb0b25c34f98796799bcdbc00af032bdc6305813c37e960bb154

SHA512
fd71a1fb3ac2215378cee175807bd8e4904fd9d9b04b12425085dfb36ef36781854615f1969bb076bfe030d55d81e1d3eb6f6f00c556a662c3b726a9ce4f910d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\5imnDPQLIWbixuU.exe
Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\5imnDPQLIWbixuU.exe
Filesize
634KB

MD5
39bca0c0295e43a1d256f93c4bc41a7d

SHA1
163629228f4ad397c594ae4acc1162d2990f7d5f

SHA256
2e46c5d7d549885057d92525f35b60a19cb428600a397245e5f6ce0238b5e1cd

SHA512
e16570bea11aa8680f4e547f099e8c099c1654e6a3060fca871a42dffb9e256811f5aa9bba9f00dc14b218ad32b56c916987b3a270893540a0992f832bcf2a4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\eljcaabcdodogpmceopkanfkmchaeebc\ZxjoECqv.js
Filesize
5KB

MD5
d4449af94fd6a3eb6e8b9e620b676948

SHA1
834816da83adc50d699c4ba8abac8dd93fb668f2

SHA256
453e34442a4caed1819f74abd4682e4ed9d4b4f8e05fcf1f26728f9c58f03317

SHA512
99e36770e35ebb703630ace27b9ccae68e3f71ad2176a377f0a02e08ac3a54190a9e5b7d3e8cb6c643c4648dbbfcfda9da06322231edf5351bca422f64598333

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\eljcaabcdodogpmceopkanfkmchaeebc\background.html
Filesize
145B

MD5
62b7f7964359f0d07e3b6854ffd41f3d

SHA1
c2c8c45d97b580728a3eac3bdf5c1bbc02b0cf22

SHA256
b3f602243c93bff488da8f007ff25479b103dad2cceeae80a1bd887e1c02c4a4

SHA512
7bc623dc18c8618f1efb97241fee7f7dfa8a5a1674e9463e2d0bc1ffb236c13e1b7c8cecde0694bf54d69e6a446c970ace677d068aa7378fd3950e441c57f269

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\eljcaabcdodogpmceopkanfkmchaeebc\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\eljcaabcdodogpmceopkanfkmchaeebc\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\eljcaabcdodogpmceopkanfkmchaeebc\manifest.json
Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\vi4vydLpuwW7Ce.dll
Filesize
617KB

MD5
840d829dddf8d035522e4f3547f72799

SHA1
1f669f414a0935ef806bdb8a93d2755f00104519

SHA256
a8405b5162305f768093c227ad9ece6ddd74f6dfe17fd0878a4e64e61e125d42

SHA512
e447ed7f6bbaacd8523984bae1584f39c4c38e93abd43d4e25c8056143d3228a3993d7aab8fd92d2e6baf0157a1d8638a1254eed037f3eb64250b6ca586913c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\vi4vydLpuwW7Ce.tlb
Filesize
3KB

MD5
6fb4d3c40d62e1e378e92280f2cd93a4

SHA1
cdcd20abfab5c8f24b0bf2e24b43930a33b4d147

SHA256
ffe3ee2134494c6e175cf01e0fc518402384a1f79a46a37f441e6e3c74183983

SHA512
960ecc2ce3d9ee0a828780d0770a4966211a55c8587e36b460c3c5d2bf7a338bd538c13bb07e93b647b5c1056fc0c14f90cf59a4b13508350922cda38ab6538d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\vi4vydLpuwW7Ce.x64.dll
Filesize
697KB

MD5
09b1827343abfccf344d2b04268c1b87

SHA1
1c60bbd56c0b33be582c3dac053e9b28b94d588b

SHA256
a9181af1ead8778d27a22e862145aa5e1dd7ac40cf6e994f8c6b1ae7b58f302a

SHA512
cb4ac4ff93405372a7ab65e1910d58f88a30c9b4d62c06b84fd3fd5f51ca10459c351efcc394418e27aafa27e87bd1a359d20006804da8f171b37cf2fd26f965

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\[email protected]\chrome.manifest
Filesize
35B

MD5
f26003c56a85c3755853b8c530846656

SHA1
657effef806e67a7adb7b55ffcb703448317b437

SHA256
2a9a4ea8419cc709d505bd81c39e6869379b7cf34a2ae305ecbad257bd40c524

SHA512
c61dd073ba02ed2297da1359946449c2cabaf2c2a4f87fa1c7389908afd1468ca8b6bb2175006668d8f1a3e725e5bc7314ef00f514161ea3f190feeeb50c0701

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\[email protected]\content\bg.js
Filesize
7KB

MD5
de0536bf8ed8b6256848ab80b73d3691

SHA1
f3f5a187d8a21a28d6a2e824ea9d8c3303973583

SHA256
5256a6fcdd46e3342540857daf25f67013450ea0659958c5325562110001f2fa

SHA512
2ccaed4c333b4c80c767592dac884321f099197361b36f79bbb7763c6457d11d51cb2175e3ed96e3dc78d6811b75a0dcecb63367649e57cf956999a50222ea8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSC83.tmp\[email protected]\install.rdf
Filesize
591B

MD5
10fc2bc03d9b2740cd66e8702455f997

SHA1
41a931ffe658dcc5eb4c772c8e8fccb2c525305a

SHA256
84c355c62c47d4f9594238f37dd7cc9ff6237bd1a68554ac554b8e0a0042b44c

SHA512
7eac696d8673cc65db0534f91ae2bdd67d7072baef40f96b9060e1cdbe2d2ccc60e57119d63a049d600313767dbdc442afdd3203b152b8b680346e475812a1ad

Download Submit
memory/1084-152-0x0000000000000000-mapping.dmp

Download
memory/2256-149-0x0000000000000000-mapping.dmp

Download
memory/5072-132-0x0000000000000000-mapping.dmp

Download