833b77d28c8a3464e4a4f9456237a5fc041b1b8477768e64d4c73ec0634198d6

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 22:18

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General

Target

1afd71884b7460bd5edbd2496bb8739e_JC.exe
Size

74KB
MD5

1afd71884b7460bd5edbd2496bb8739e
SHA1

d9d0eb4e176261ab2e9e353c8f209c0d0a3098c0
SHA256

833b77d28c8a3464e4a4f9456237a5fc041b1b8477768e64d4c73ec0634198d6
SHA512

a4940f6aa7d2ed931ab5e6d80dbae0243549e8a33e7ff9e2ce898951bc29741fa175868b3b1e391daaafda4a2f6c44ea2c984348f44d901fcd91ba55c551fa42
SSDEEP

1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazTsj:ZRpAyazIlyazTsj

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2236	CTS.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	1afd71884b7460bd5edbd2496bb8739e_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	1afd71884b7460bd5edbd2496bb8739e_JC.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	1afd71884b7460bd5edbd2496bb8739e_JC.exe
Token: SeDebugPrivilege	2236	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2236	3052	1afd71884b7460bd5edbd2496bb8739e_JC.exe	28
PID 3052 wrote to memory of 2236	3052	1afd71884b7460bd5edbd2496bb8739e_JC.exe	28
PID 3052 wrote to memory of 2236	3052	1afd71884b7460bd5edbd2496bb8739e_JC.exe	28
PID 3052 wrote to memory of 2236	3052	1afd71884b7460bd5edbd2496bb8739e_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\1afd71884b7460bd5edbd2496bb8739e_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1afd71884b7460bd5edbd2496bb8739e_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2236

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\zFEDKWed2BF7EqM.exe

Filesize
74KB

MD5
0540834f7770b35de4260c0c79f8587e

SHA1
995eec774efcfcdc1da80efa1072725d482d17b1

SHA256
e79b1f012283e145b1246501a595233a088260b7bb66419190795431546a56de

SHA512
6d931a90a9e7e69e32411344efcd15ad18cd1a66e57d0c6fd4d85e361529a78e99357779e3d37145bb6186a0a621ba2c821c3fdf5bef9367f30cb3f9e2db0ada

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f60519a4b9abe303feb4b5b3666a551e

SHA1
d5bb38474958a5f51fb74886482fa44e873898f5

SHA256
6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

SHA512
3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f60519a4b9abe303feb4b5b3666a551e

SHA1
d5bb38474958a5f51fb74886482fa44e873898f5

SHA256
6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

SHA512
3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f60519a4b9abe303feb4b5b3666a551e

SHA1
d5bb38474958a5f51fb74886482fa44e873898f5

SHA256
6be608cffb5de883843e26f17b767ebf3e0a7fe41137460b32490bcec58e382d

SHA512
3f5f479628de5e4c7911e3730062ac672f721cc513218f38193bfc9426f7fa988b97c9d315689f1b90f15805760b1b284fe4e5ef65fdf482014942f07b1e1bd7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads