8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4

Analysis

max time kernel
8s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 20:19

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General

Target

8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe
Size

2.1MB
MD5

e678e7b43cbae6f259e48b3e2ebca11c
SHA1

3aed2f00bb66e2f2c57fe62c1a7438c5792ad920
SHA256

8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4
SHA512

03cace5db1589ab9dd5ad4b9421a2576719dea10823555390ada0180b159c30c862d43b326d5ed1a514f398df4b6ebdf1ba61e4c4ee9b902a408509d1dd21a1e
SSDEEP

49152:h1OseNB2tcyUoc3slSeZrg1JclQ35sFDRM:h1O536Eoc3UK0b6

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1364	MAiv5LjMZUrUmaR.exe

Loads dropped DLL 4 IoCs

pid	Process
1688	8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe
1364	MAiv5LjMZUrUmaR.exe
1716	regsvr32.exe
1588	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\mlemgbhldgemoicjbbabndnmfaoikemd\2.0\manifest.json	MAiv5LjMZUrUmaR.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\mlemgbhldgemoicjbbabndnmfaoikemd\2.0\manifest.json	MAiv5LjMZUrUmaR.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\mlemgbhldgemoicjbbabndnmfaoikemd\2.0\manifest.json	MAiv5LjMZUrUmaR.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}	MAiv5LjMZUrUmaR.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	MAiv5LjMZUrUmaR.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	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}	MAiv5LjMZUrUmaR.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	MAiv5LjMZUrUmaR.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\	MAiv5LjMZUrUmaR.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\{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\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.dll	MAiv5LjMZUrUmaR.exe
File created	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.tlb	MAiv5LjMZUrUmaR.exe
File opened for modification	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.tlb	MAiv5LjMZUrUmaR.exe
File created	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.dat	MAiv5LjMZUrUmaR.exe
File opened for modification	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.dat	MAiv5LjMZUrUmaR.exe
File created	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll	MAiv5LjMZUrUmaR.exe
File opened for modification	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll	MAiv5LjMZUrUmaR.exe
File created	C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.dll	MAiv5LjMZUrUmaR.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1364	MAiv5LjMZUrUmaR.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1364	1688	8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe	28
PID 1688 wrote to memory of 1364	1688	8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe	28
PID 1688 wrote to memory of 1364	1688	8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe	28
PID 1688 wrote to memory of 1364	1688	8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe	28
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1364 wrote to memory of 1716	1364	MAiv5LjMZUrUmaR.exe	29
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30
PID 1716 wrote to memory of 1588	1716	regsvr32.exe	30

C:\Users\Admin\AppData\Local\Temp\8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe
"C:\Users\Admin\AppData\Local\Temp\8d611378c59038de9627d84356b2b983aac5c5b44d672d42c98e3f6b5d6b9ab4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\MAiv5LjMZUrUmaR.exe
  .\MAiv5LjMZUrUmaR.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:1364
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Windows\system32\regsvr32.exe
      /s "C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll"
      4⤵
      Loads dropped DLL
      Installs/modifies Browser Helper Object
      PID:1588

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\suhb7XaYl4D5ts.dat

Filesize
6KB

MD5
8550e7c1e8fc2fa960faf877302f83b4

SHA1
b69871a035344453861fa7a45f077531534d5e3a

SHA256
6c71df66a7eaa401025fa0bfcc8ea9e08ea34dfd102699e9307cad52d0ec74c1

SHA512
14724e11e26d2ab15b5c7be05874c9d297fe2f11af25fd5e31db492b2e6e68658550120d48898830de2855da370015d25a15ddf61150d733242e7680e887b157

Download Submit
C:\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\MAiv5LjMZUrUmaR.dat

Filesize
6KB

MD5
8550e7c1e8fc2fa960faf877302f83b4

SHA1
b69871a035344453861fa7a45f077531534d5e3a

SHA256
6c71df66a7eaa401025fa0bfcc8ea9e08ea34dfd102699e9307cad52d0ec74c1

SHA512
14724e11e26d2ab15b5c7be05874c9d297fe2f11af25fd5e31db492b2e6e68658550120d48898830de2855da370015d25a15ddf61150d733242e7680e887b157

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\MAiv5LjMZUrUmaR.exe

Filesize
646KB

MD5
4d6bbefbd7b1947021e130c31064477e

SHA1
0eb9e06add3f44c25498d513ea1207a85e7645ca

SHA256
136568d89154d72d7968982e13aa96276e4102a98efd322c77ab2ffd149c9970

SHA512
d9d50d8509555c4816bdb32297a22ea877f0d6e9fe90624c5f74c0e9f02adae03164b1d20920047558c54fa4d1fba5d9d893cb73eca8bf2861ac49617b3ef4a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\MAiv5LjMZUrUmaR.exe

Filesize
646KB

MD5
4d6bbefbd7b1947021e130c31064477e

SHA1
0eb9e06add3f44c25498d513ea1207a85e7645ca

SHA256
136568d89154d72d7968982e13aa96276e4102a98efd322c77ab2ffd149c9970

SHA512
d9d50d8509555c4816bdb32297a22ea877f0d6e9fe90624c5f74c0e9f02adae03164b1d20920047558c54fa4d1fba5d9d893cb73eca8bf2861ac49617b3ef4a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
c271428d116f728dbe39f16e1197f301

SHA1
670dc4854b585f21b8779c37449e9c6fc0304f7b

SHA256
a96a78a073e74c94eb7bc781c8876fc067e3b9c35a4a32e510d202a3ea9516d4

SHA512
0e1dee2333d159aa3484f7c09d122a258f510edb867beff4d380c0d826dd2f66c035adaaaf9b534a32b86caa039293f0ff1a3b8976d8cf5162acee9492780ad7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
df6f1a4e760566006435cfe2b501878e

SHA1
d635bb83c0c554979f7464a7af238fd2930a8c58

SHA256
810cb5840763b8a50bb0e5a5a312c1d8a269a891be8ea73fd487c5832162802a

SHA512
8d1ccd564f7a08845492acd1b5fa862b739f6a7515965546eb313089f4f919711ada738ac7eaf57844416826b7539d6a7bd965604ddf4e85e0441d3d74048915

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\[email protected]\install.rdf

Filesize
593B

MD5
b07493d2a99970e7fe13611d8a9fd0e6

SHA1
e530eb665332a33c57629f48171aec93b3e77e28

SHA256
3bd4e3a55421cac534394c9edc41e696fd318e3325286d05d8e9f96253240a4a

SHA512
e56499b6ea5c87e70f7e998739c30a5297b2e61e4bf15c321f6c2b8f2a037ead5ad2ee99b6cd5068912780f545e1e3764bdaf6ac02bfb8670d37323915b7864b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\mlemgbhldgemoicjbbabndnmfaoikemd\background.html

Filesize
138B

MD5
e610c64fcaf46c1f10309b2165f49370

SHA1
76168e031e1d07d2d52630bf76bc4907c6bbc9ae

SHA256
b31e69345000bb479ddcb3ca8005ee5f81636e82211e5028613ec0baae6f046f

SHA512
7d0a7933b4e5be05cf9a6476498051dbfba61be13e7fedc4d8fb694193c3045dc6564c5d607d63bfe657cedc6a0e86ff31317b9eb7492d34ef5aa9054d2374a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\mlemgbhldgemoicjbbabndnmfaoikemd\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\mlemgbhldgemoicjbbabndnmfaoikemd\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\mlemgbhldgemoicjbbabndnmfaoikemd\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\mlemgbhldgemoicjbbabndnmfaoikemd\q.js

Filesize
5KB

MD5
0aa39b194802c24b3114b7d4b7f4cf21

SHA1
851c4f3bca880e575d3da416f45555e26658ee18

SHA256
820099dd9fe26abadae3dbfc0c7d8899cc04b2945327d2cb42d1c4b39f7676da

SHA512
ba520121427fb7a0824fc585bf486573f3639f1802b27d0da6a42319bba2d9de6a4ddb78f00e48cd27c4d789d929c9b2ed03f5cd6ddf3bf69a5f3a0ca9e7930f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\suhb7XaYl4D5ts.dll

Filesize
631KB

MD5
e632e9bdbcd9337b0b85d5a437d2e2c3

SHA1
46d02d5bad7cc1819737d16d4ad0cb931f57347b

SHA256
87aa09c3eabbc691b1e422972057dccb71aae9c5dd0608a53e1e43c73818560a

SHA512
72c7a72789730d366dd808c78fb8e807cdad5d5689733cbed21220f9e232b056e342e7c0af9af0694d1c25aa681c0e75f75d4f18def24c546ebe00096a3d81a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\suhb7XaYl4D5ts.tlb

Filesize
3KB

MD5
dd94094aed6b15f84320162edb0abb97

SHA1
b5b8f14698e1690a1dc384d55a927671619335da

SHA256
ddce9e35654a30c85f2f89a2a20d38290b5c87fb99d17a544b61f46f65441c19

SHA512
9d029b36434411b3f3f0e70abd024fda21acaa62ba0507b54f67d75cede382ea294bc0f0c82b28a0a8ab45bd7550065824869aa514b25987770c6e0339df1358

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\suhb7XaYl4D5ts.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
\Program Files (x86)\GoSave\suhb7XaYl4D5ts.dll

Filesize
631KB

MD5
e632e9bdbcd9337b0b85d5a437d2e2c3

SHA1
46d02d5bad7cc1819737d16d4ad0cb931f57347b

SHA256
87aa09c3eabbc691b1e422972057dccb71aae9c5dd0608a53e1e43c73818560a

SHA512
72c7a72789730d366dd808c78fb8e807cdad5d5689733cbed21220f9e232b056e342e7c0af9af0694d1c25aa681c0e75f75d4f18def24c546ebe00096a3d81a0

Download Submit
\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
\Program Files (x86)\GoSave\suhb7XaYl4D5ts.x64.dll

Filesize
713KB

MD5
b13f442c83c893871f125e07497085d4

SHA1
4059c7e28477c9ca064fc9919f4a3c05814f1da2

SHA256
bade23037722ee9c1f4b40f249c2fddbc54499acc73353e267e350d0214689bf

SHA512
b067fcbdc174bc9c9d5d7b6b18abe74b25eebe026c83ab0927a906d822ad3486dfb5224bbfb3df1fe7736c7b4e4ab47d127d6a4786d7a6ea3c6f5728c006cc7b

Download Submit
\Users\Admin\AppData\Local\Temp\7zS7C81.tmp\MAiv5LjMZUrUmaR.exe

Filesize
646KB

MD5
4d6bbefbd7b1947021e130c31064477e

SHA1
0eb9e06add3f44c25498d513ea1207a85e7645ca

SHA256
136568d89154d72d7968982e13aa96276e4102a98efd322c77ab2ffd149c9970

SHA512
d9d50d8509555c4816bdb32297a22ea877f0d6e9fe90624c5f74c0e9f02adae03164b1d20920047558c54fa4d1fba5d9d893cb73eca8bf2861ac49617b3ef4a2

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memory/1588-78-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

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memory/1688-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

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