3b583fa2a255b71c961047db21c5cc07a7a6fce5c682b200ac94da5d4846261e

Analysis

max time kernel
169s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 13:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

22faef489858d1b7e2ce7de50cbddc35.exe
Size

30KB
MD5

22faef489858d1b7e2ce7de50cbddc35
SHA1

c9e76d84cd2416179a6277ae58f4d1f2279e6eb5
SHA256

3b583fa2a255b71c961047db21c5cc07a7a6fce5c682b200ac94da5d4846261e
SHA512

49ed8d149f10da42c2f3490bfd31df1e1a7e9091c8cbf15ae431988e62a9c21b85b8ccf03a2c63a8907c8cac079b245ac57dfa5de22e94e4c36759eeef0dcb07
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFD:SKcR4mjD9r823FD

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3748	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3012-0-0x00000000007F0000-0x0000000000807000-memory.dmp	upx
behavioral2/files/0x0007000000023224-6.dat	upx
behavioral2/memory/3748-7-0x0000000000D50000-0x0000000000D67000-memory.dmp	upx
behavioral2/memory/3012-8-0x00000000007F0000-0x0000000000807000-memory.dmp	upx
behavioral2/files/0x000600000001e364-12.dat	upx
behavioral2/files/0x0007000000023222-29.dat	upx
behavioral2/memory/3748-31-0x0000000000D50000-0x0000000000D67000-memory.dmp	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"	22faef489858d1b7e2ce7de50cbddc35.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	22faef489858d1b7e2ce7de50cbddc35.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	22faef489858d1b7e2ce7de50cbddc35.exe
Token: SeDebugPrivilege	3748	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3748	3012	22faef489858d1b7e2ce7de50cbddc35.exe	88
PID 3012 wrote to memory of 3748	3012	22faef489858d1b7e2ce7de50cbddc35.exe	88
PID 3012 wrote to memory of 3748	3012	22faef489858d1b7e2ce7de50cbddc35.exe	88

C:\Users\Admin\AppData\Local\Temp\22faef489858d1b7e2ce7de50cbddc35.exe
"C:\Users\Admin\AppData\Local\Temp\22faef489858d1b7e2ce7de50cbddc35.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- 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:3748

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
352KB

MD5
0f6721f12bd373f6687972d0708db073

SHA1
81e0f8f73c8646f45e2b402db4def1aa32ce2049

SHA256
35c22765eea5e9402dbe0754f22f0c19805f95cf3ef571dc9077066107c1bf83

SHA512
a6ceb575b4a1a97b1e4f33b6a6b190f11995ce48ab21afe9129c28c4e2d2f84ce37616c4ca87344d0ebdf0e2160b2607a7460f500f7a41ad55eb640d2b98621b

Download Submit
C:\Users\Admin\AppData\Local\Temp\DUJNpclVx6EJnJm.exe

Filesize
30KB

MD5
fafed66b9be0cf8d5ccac1e4a6c2f621

SHA1
2185eb4570f47b141179b5272162befd95f9bc47

SHA256
e6c6bc5886158fcf3c8834e3982c3bbc2af5b7319b0a256983e3becb4e19d1bc

SHA512
eb0db91d2bc3aff8f1d62dec9d244fd7556e27d2dbc2ddf981f657e746f37a54ddab57cf82ed8ecc8fa2613e496bd98ddbed4057a73987d53e06508d83593da8

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3012-0-0x00000000007F0000-0x0000000000807000-memory.dmp

Filesize
92KB

Download
memory/3012-8-0x00000000007F0000-0x0000000000807000-memory.dmp

Filesize
92KB

Download
memory/3748-7-0x0000000000D50000-0x0000000000D67000-memory.dmp

Filesize
92KB

Download
memory/3748-31-0x0000000000D50000-0x0000000000D67000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads