6d48a4399aafabf4110a0b624ff21cea51616a6e4ec35c70a762a1b7250e373f

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 14:19

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General

Target

b79cd78bf2260f39ce8783f622c1d072.exe
Size

35KB
MD5

b79cd78bf2260f39ce8783f622c1d072
SHA1

9c73fb3ec734e9f56edc0d224a1af5905b5048d6
SHA256

6d48a4399aafabf4110a0b624ff21cea51616a6e4ec35c70a762a1b7250e373f
SHA512

7c9f965f9b250d6039f227ebc60adcadc89f3f9fc6a450552764a58534bb18cfbe05157bec770e59ad1c6fb26f1e4c52750ee39b82e827c85f60289932dc6015
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+Is:s9Z3KcR4mjD9r8226+F

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2196	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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2416-1-0x0000000001060000-0x0000000001077000-memory.dmp	upx
behavioral1/memory/2416-8-0x0000000001060000-0x0000000001077000-memory.dmp	upx
behavioral1/files/0x000c000000015cce-7.dat	upx
behavioral1/memory/2416-11-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral1/memory/2196-12-0x00000000001C0000-0x00000000001D7000-memory.dmp	upx
behavioral1/files/0x000a000000012252-14.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"	b79cd78bf2260f39ce8783f622c1d072.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	b79cd78bf2260f39ce8783f622c1d072.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	b79cd78bf2260f39ce8783f622c1d072.exe
Token: SeDebugPrivilege	2196	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2196	2416	b79cd78bf2260f39ce8783f622c1d072.exe	28
PID 2416 wrote to memory of 2196	2416	b79cd78bf2260f39ce8783f622c1d072.exe	28
PID 2416 wrote to memory of 2196	2416	b79cd78bf2260f39ce8783f622c1d072.exe	28
PID 2416 wrote to memory of 2196	2416	b79cd78bf2260f39ce8783f622c1d072.exe	28

C:\Users\Admin\AppData\Local\Temp\b79cd78bf2260f39ce8783f622c1d072.exe
"C:\Users\Admin\AppData\Local\Temp\b79cd78bf2260f39ce8783f622c1d072.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416
- 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:2196

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\pCA8sajuwlHvn3L.exe

Filesize
35KB

MD5
16491ffd86f74c2125fba1577989dc68

SHA1
a97a39ca35f1139499ab72534dd21ebfc06ffcad

SHA256
00af960a1ac6eeb696f455385d19747291986bae25f669f50be3c62e7dbde235

SHA512
4209e3d5da16bf50ba42036629863805e27eb2bb2d7ab143ec562a531613fa5af2a9f1876e1e3c36865d16e9a2829cf8aa63bf751e8c18c6693d9602b67dab7f

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2196-12-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download
memory/2416-1-0x0000000001060000-0x0000000001077000-memory.dmp

Filesize
92KB

Download
memory/2416-8-0x0000000001060000-0x0000000001077000-memory.dmp

Filesize
92KB

Download
memory/2416-11-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2416-19-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads