17f6bf035042d722927ebff748dcabc5d7cb19ba429da72a017e05ca57d8d0be

Analysis

max time kernel
153s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2024, 09:18

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General

Target

99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
Size

4.1MB
MD5

99d95cf99007b5b672e3d8851c249b4a
SHA1

6036bf326f26d392f0ed4fbb38dddc21f2718fad
SHA256

17f6bf035042d722927ebff748dcabc5d7cb19ba429da72a017e05ca57d8d0be
SHA512

17dda269228a32ea2486d42968553f542f2a4dcc73a62a18a9217e3c367572be4b2caa2d13fdc538ac105e6b2dda62ccc4c6dedf63cd34161f68b5dbaa525fa0
SSDEEP

49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBjB/bSqz8b6LNXJqI20t:sxX7QnxrloE5dpUp8bVz8eLFcz

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
1972	locxopti.exe
548	xoptiloc.exe
2368	xoptiloc.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
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Parametr = "C:\\IntelprocMZ\\xoptiloc.exe"	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Parametr = "C:\\MintJK\\dobdevsys.exe"	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
1972	locxopti.exe
1972	locxopti.exe
1972	locxopti.exe
1972	locxopti.exe
548	xoptiloc.exe
548	xoptiloc.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe
1972	locxopti.exe
1972	locxopti.exe
2368	xoptiloc.exe
2368	xoptiloc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 1972	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	91
PID 4484 wrote to memory of 1972	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	91
PID 4484 wrote to memory of 1972	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	91
PID 1972 wrote to memory of 548	1972	locxopti.exe	93
PID 1972 wrote to memory of 548	1972	locxopti.exe	93
PID 1972 wrote to memory of 548	1972	locxopti.exe	93
PID 4484 wrote to memory of 2368	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	92
PID 4484 wrote to memory of 2368	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	92
PID 4484 wrote to memory of 2368	4484	99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\99d95cf99007b5b672e3d8851c249b4a_JaffaCakes118.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\IntelprocMZ\xoptiloc.exe
    C:\IntelprocMZ\xoptiloc.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:548
- C:\IntelprocMZ\xoptiloc.exe
  C:\IntelprocMZ\xoptiloc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2368

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3780 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\IntelprocMZ\xoptiloc.exe

Filesize
4.1MB

MD5
34b8061f7aa39d5253fe0a77138643b5

SHA1
23bd5edf9a9b97455c686b5353ad290d2ea99c61

SHA256
9d18fe03613be399cdf624e8821f75aed6374c415600d5bfc010458b6c30c620

SHA512
2cc7e6ba66fa47f87768319082635211a16186cca9e6454c2db39e9626b674e78697500978c0156136e7c445579245e5c4af9fa828609399a0cd042c223c472e

Download Submit
C:\MintJK\dobdevsys.exe

Filesize
4.1MB

MD5
e13726ae8874a72fd5fb1cd975ed78c4

SHA1
a44d0f815a1630fe5a6f8b4b2e4d0c0474380632

SHA256
802e8a5684995acce8e01b5c92ade7e9880a1896abf01543d536c77647bc42c7

SHA512
17f16515ec81069780613a373081179dc0bae43b8b0bfed475012a4c7facbc1615fb7c50a94242c775f24e484165d134433610b2b660974c66de743c599cbd28

Download Submit
C:\MintJK\dobdevsys.exe

Filesize
4.1MB

MD5
9ee4a26badb3174323ff01ff97593e13

SHA1
6d271fe61955c8f4ec7f122c58a200ef9b265c77

SHA256
132b5fe720c21ada51d7774a3ee24b7b87c301afb7c289b5ae74feb0715777c3

SHA512
08bdb1333cdbf55fe3f96de2a037797d8d6d126d77486a30049c75c7bd3953fd6339876647fee5e9b18141cbe9fcd3dc9c4b44be12ecf992830b76b333b8b560

Download Submit
C:\Users\Admin\253086396416_10.0_Admin.ini

Filesize
208B

MD5
cd9f14e864804df530421b8870ecb042

SHA1
f99a74ba8adf7427d7abca1e882b25a8fe4f8d3d

SHA256
6734f4e3d23de5283a97ba58fea003b958b5a57154ad6a7da91c7cb03ac11dde

SHA512
c3b2c3135b3fc6b261dc596f86eb77abb6f6f193a71808628edfe6996963e955c1cfc54f908b48fa0b2f682ad3373225dc39c812d2de00a187056fb6fb2d7981

Download Submit
C:\Users\Admin\253086396416_10.0_Admin.ini

Filesize
176B

MD5
8fcea4e2f4149b590528b25bb7b45430

SHA1
c84f872e2493eed5af9e939f3778360f48d65cba

SHA256
f684b12c017895bf3d4e51538ce5bbd67105d6365e25b85e8021af98719d2418

SHA512
58716025a3df3135a67b0e2cd50b836618b3649879edc38b2e57c2d0d77568e604a05707b512d8a0a6bf70905c579e2948c94c9b4eafd66d4de88a6664732f5d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\locxopti.exe

Filesize
4.1MB

MD5
3786c997e29e7fb9c4f7560714906271

SHA1
6669e14995bd4b25b59ab40b1192adc21a9aeaf4

SHA256
e66de0c32dc75dd609c1215bb92ea6f794195938ee83873d90c4f42488acfa71

SHA512
a174558575eb6a793a22f4719e42ecd341e5feebf4e4b7a60455bfd2b87b6e4dc6ba8c245ee100b4eeea09afc42fa30b63c87a727d44fdaac90766cccf1cca04

Download Submit