7029f70edecd9023d363b84f9907a4ed1b8aefd9276622b3c5271b68e9c681a7

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 03:38

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General

Target

aae824f9baef8e68b948d009d1936ef7.exe
Size

42KB
MD5

aae824f9baef8e68b948d009d1936ef7
SHA1

af7f56a7158846d421e7f3cddf69aedb8cd3f6de
SHA256

7029f70edecd9023d363b84f9907a4ed1b8aefd9276622b3c5271b68e9c681a7
SHA512

3a879d0f4f82cdf4506d3cb10d26ae2f4623f29ea0dce7a08446f54922e1e1b39e5286fd85e82b349f94feca72dce0c14753cf6c6e23423a4bc61e530faa05a5
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFrgzhZB20CCaQ24m:SKcR4mjD9r823Frgzh7dCbQo

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1420	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/3164-0-0x0000000000A80000-0x0000000000A97000-memory.dmp	upx
behavioral2/files/0x000900000002320d-6.dat	upx
behavioral2/memory/3164-7-0x0000000000A80000-0x0000000000A97000-memory.dmp	upx
behavioral2/memory/1420-9-0x0000000000BE0000-0x0000000000BF7000-memory.dmp	upx
behavioral2/files/0x0003000000022768-12.dat	upx
behavioral2/memory/1420-28-0x0000000000BE0000-0x0000000000BF7000-memory.dmp	upx
behavioral2/files/0x0008000000022745-30.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"	aae824f9baef8e68b948d009d1936ef7.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	aae824f9baef8e68b948d009d1936ef7.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	aae824f9baef8e68b948d009d1936ef7.exe
Token: SeDebugPrivilege	1420	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 1420	3164	aae824f9baef8e68b948d009d1936ef7.exe	86
PID 3164 wrote to memory of 1420	3164	aae824f9baef8e68b948d009d1936ef7.exe	86
PID 3164 wrote to memory of 1420	3164	aae824f9baef8e68b948d009d1936ef7.exe	86

C:\Users\Admin\AppData\Local\Temp\aae824f9baef8e68b948d009d1936ef7.exe
"C:\Users\Admin\AppData\Local\Temp\aae824f9baef8e68b948d009d1936ef7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3164
- 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:1420

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
351KB

MD5
cb82bf15c601600427a5594f64c7a9c3

SHA1
c6632779d0988d8f76576f410fb943539e997dc2

SHA256
4195df68e811e4acaa261bce8305cf89b9b8091a7204bd9e8fbabf086469875e

SHA512
4090bc6d17df3cf8e05d4bf6297e2f94cb7f666ae2e202ee4d349f9fe089ec7914b469bc02be9acec571afb5744fe25d32238a8802cecd3f4d04699e1aaf3f48

Download Submit
C:\Users\Admin\AppData\Local\Temp\7x3ycbVLbdkXN40.exe

Filesize
42KB

MD5
a25d653d02c7da78466274badac0a7a0

SHA1
ac92ed6351970e60849cf051ec3e280308ba2328

SHA256
073444106c2a98de75b8af46c0649b77dfae6ef8b2f3c39396ab0b284eada6b2

SHA512
9e98915493e9d285b56ffc7ff5498ddd87d9485e87e98634c47dea7d71ccf14c4d984c57d64f7e04cbc1df5d65b484f4bee5d7cec710bb1dfde983563f4023b0

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1420-9-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download
memory/1420-28-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download
memory/3164-0-0x0000000000A80000-0x0000000000A97000-memory.dmp

Filesize
92KB

Download
memory/3164-7-0x0000000000A80000-0x0000000000A97000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads