a83460c020322cb131144dfaf6c220f73c6d86cf5683ea5baeb87a7c7aa35c7e

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 16:51

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General

Target

de7b9f7d415d093a6f0fe34d70628988.exe
Size

59KB
MD5

de7b9f7d415d093a6f0fe34d70628988
SHA1

0a460859559bfefb7565e9033a359b9c0d6fa1ea
SHA256

a83460c020322cb131144dfaf6c220f73c6d86cf5683ea5baeb87a7c7aa35c7e
SHA512

eebeb8ef7e5f55f8ac044b7e3f9af33cfb3b7d904ad1dfc45f440adb34e2335ac1edbb9dd89a254139cdcf302d391996e5dc3fb6eeb4a5be6be641b88d09d4a8
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z36:SKcR4mjD9r823FHKcR4mjD9r823FJ

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2696	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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2484-0-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral1/files/0x000c0000000132c6-9.dat	upx
behavioral1/memory/2484-8-0x0000000000EE0000-0x0000000000EF7000-memory.dmp	upx
behavioral1/memory/2696-12-0x0000000000B90000-0x0000000000BA7000-memory.dmp	upx
behavioral1/files/0x000b00000001224c-15.dat	upx

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"	de7b9f7d415d093a6f0fe34d70628988.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	de7b9f7d415d093a6f0fe34d70628988.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	de7b9f7d415d093a6f0fe34d70628988.exe
Token: SeDebugPrivilege	2696	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2696	2484	de7b9f7d415d093a6f0fe34d70628988.exe	28
PID 2484 wrote to memory of 2696	2484	de7b9f7d415d093a6f0fe34d70628988.exe	28
PID 2484 wrote to memory of 2696	2484	de7b9f7d415d093a6f0fe34d70628988.exe	28
PID 2484 wrote to memory of 2696	2484	de7b9f7d415d093a6f0fe34d70628988.exe	28

C:\Users\Admin\AppData\Local\Temp\de7b9f7d415d093a6f0fe34d70628988.exe
"C:\Users\Admin\AppData\Local\Temp\de7b9f7d415d093a6f0fe34d70628988.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- 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:2696

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\5RRKKFDsKrqJf0G.exe

Filesize
59KB

MD5
22a8f40c0a441b55426e500beb672928

SHA1
84a0a8c0db04e5bc3742cc6c06a9a38fe599e6db

SHA256
023734a8b8b387066e00f3f7bdd9c34b4dc85f759342aae6e2aba8feb1adde83

SHA512
635a46e50ff080a419c6c37a64a6e2f5d49dca23a4445b99fa2830833aaaac920d4cd840b734b4cf3cb63cfdd32789a5c93cd56a33096d80ea08b6e51cadab39

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2484-0-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/2484-8-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

Filesize
92KB

Download
memory/2484-11-0x00000000000B0000-0x00000000000C7000-memory.dmp

Filesize
92KB

Download
memory/2696-12-0x0000000000B90000-0x0000000000BA7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads