7f3fe334862f9b3c92348b084d5e4206c21c8e070f73b22ac7b1b48c58686858

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
06/01/2024, 17:11

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General

Target

46c2b077d80e22fdf8881069e773720b.exe
Size

30KB
MD5

46c2b077d80e22fdf8881069e773720b
SHA1

e1ad94e1ff62980e841bbdf221f737177a3f1c07
SHA256

7f3fe334862f9b3c92348b084d5e4206c21c8e070f73b22ac7b1b48c58686858
SHA512

48e988c8044fbecd4688ce89d9fb63833e531e43def5385073df5b00e66a85bbecb6947d539c344ed0373c5275a31c978f5b3122b96d75c9b3f61e8cee5f7107
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFAU:SKcR4mjD9r823Fp

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	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/624-0-0x0000000000020000-0x0000000000037000-memory.dmp	upx
behavioral1/memory/624-8-0x0000000000020000-0x0000000000037000-memory.dmp	upx
behavioral1/files/0x000b000000015c3d-11.dat	upx
behavioral1/memory/2996-12-0x0000000000160000-0x0000000000177000-memory.dmp	upx
behavioral1/files/0x000a000000015626-14.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"	46c2b077d80e22fdf8881069e773720b.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	46c2b077d80e22fdf8881069e773720b.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	46c2b077d80e22fdf8881069e773720b.exe
Token: SeDebugPrivilege	2996	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2996	624	46c2b077d80e22fdf8881069e773720b.exe	28
PID 624 wrote to memory of 2996	624	46c2b077d80e22fdf8881069e773720b.exe	28
PID 624 wrote to memory of 2996	624	46c2b077d80e22fdf8881069e773720b.exe	28
PID 624 wrote to memory of 2996	624	46c2b077d80e22fdf8881069e773720b.exe	28

C:\Users\Admin\AppData\Local\Temp\46c2b077d80e22fdf8881069e773720b.exe
"C:\Users\Admin\AppData\Local\Temp\46c2b077d80e22fdf8881069e773720b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624
- 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:2996

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\odoA0ukGbOTbrkq.exe

Filesize
30KB

MD5
04501e130e18876a5d1153b045c939fb

SHA1
a28613a6a7862dc922f82d22183a0c6479aa2cc3

SHA256
91ed920c9344725928c1a0583de6a9b00f9c2688d63b403991db168a00d267de

SHA512
497132ba2e71a7194a6b1675f938c90771180e66d8414c884866c504f4830e2d76bc4c8cb095c0ca44a847a6fa021a5ac01b123429bb4d11b3af8c7759bccc8f

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/624-0-0x0000000000020000-0x0000000000037000-memory.dmp

Filesize
92KB

Download
memory/624-8-0x0000000000020000-0x0000000000037000-memory.dmp

Filesize
92KB

Download
memory/624-9-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/624-18-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2996-12-0x0000000000160000-0x0000000000177000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads