1eabd0196907f69e2ec31cb4e77a0f23fbefc7be7c37cf7399261287b3ddf330

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 21:49

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General

Target

97b0b1c06121cf6c3c56b4e5b4bf678a.exe
Size

29KB
MD5

97b0b1c06121cf6c3c56b4e5b4bf678a
SHA1

c5a6f4522a0a9e9c404025c5a65a30e71d6096dc
SHA256

1eabd0196907f69e2ec31cb4e77a0f23fbefc7be7c37cf7399261287b3ddf330
SHA512

4bd6fe55c847896901b87ebb82cc97d8b120730ab624f4b16605a9ed34187fdc8398f160bc5b0bc7b8fb135e29fa9af9ce82ba884ebb88a7abb877f1b6cf4b4c
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFw:SKcR4mjD9r823Fw

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2916	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
behavioral2/memory/1404-0-0x00000000001C0000-0x00000000001D7000-memory.dmp	upx
behavioral2/files/0x00090000000231ff-5.dat	upx
behavioral2/memory/1404-7-0x00000000001C0000-0x00000000001D7000-memory.dmp	upx
behavioral2/memory/2916-9-0x0000000000B00000-0x0000000000B17000-memory.dmp	upx
behavioral2/files/0x0003000000022764-12.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"	97b0b1c06121cf6c3c56b4e5b4bf678a.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	97b0b1c06121cf6c3c56b4e5b4bf678a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	97b0b1c06121cf6c3c56b4e5b4bf678a.exe
Token: SeDebugPrivilege	2916	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2916	1404	97b0b1c06121cf6c3c56b4e5b4bf678a.exe	85
PID 1404 wrote to memory of 2916	1404	97b0b1c06121cf6c3c56b4e5b4bf678a.exe	85
PID 1404 wrote to memory of 2916	1404	97b0b1c06121cf6c3c56b4e5b4bf678a.exe	85

C:\Users\Admin\AppData\Local\Temp\97b0b1c06121cf6c3c56b4e5b4bf678a.exe
"C:\Users\Admin\AppData\Local\Temp\97b0b1c06121cf6c3c56b4e5b4bf678a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- 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:2916

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
352KB

MD5
185280ac4b7eed46444a752916679832

SHA1
6a9380c9144155ad653caf4edd55ba3e75b66ebb

SHA256
dd91c8fbc0d89041deee2f1c514b15039703b05fc39165a715e99f13744b7da1

SHA512
0e39b440833a0d6f139b43a861abbd20e3ab8684ad23b06f4a19c0a1c6a69ef3daa48a146a4651fe7c541131901cb3d00c5ce50470bfff866284c3b1972b8af1

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1404-0-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download
memory/1404-7-0x00000000001C0000-0x00000000001D7000-memory.dmp

Filesize
92KB

Download
memory/2916-9-0x0000000000B00000-0x0000000000B17000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads