13f1e1b464c3aacd0fd37180fdd39a0955a0f8f0420b493e6ad1080ecf692417

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 05:49

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General

Target

e0eb05bcb2d716e1427dfe49ded958cf.exe
Size

93KB
MD5

e0eb05bcb2d716e1427dfe49ded958cf
SHA1

68322723778f0911c8e26f2d0b15247bd7eaacfe
SHA256

13f1e1b464c3aacd0fd37180fdd39a0955a0f8f0420b493e6ad1080ecf692417
SHA512

c307bc51bc51d18b02e3861f4fd1f01e0ed49967689bb259920eaa7f6a47c39a05bb8580157ad004d261ab0e0edf6be1afa4234cef732e7b697338f0688c44cc
SSDEEP

1536:SKcR4mjD9r823FvEUFbgVMymnMiomSBDjMs+peMCoTwjOCImlFDXq5irtT0Vsy/U:SKcWmjRrz3yoEWyk2hBDYsvMZMjO4nG4

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1332	MVrXq9bth5d0YTC.exe
3128	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
behavioral2/memory/4936-0-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx
behavioral2/memory/4936-6-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx
behavioral2/files/0x0010000000023139-7.dat	upx
behavioral2/memory/3128-8-0x00000000006F0000-0x0000000000707000-memory.dmp	upx
behavioral2/files/0x0003000000022744-12.dat	upx
behavioral2/memory/3128-31-0x00000000006F0000-0x0000000000707000-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"	e0eb05bcb2d716e1427dfe49ded958cf.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	e0eb05bcb2d716e1427dfe49ded958cf.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe
Token: SeDebugPrivilege	3128	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1332	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	88
PID 4936 wrote to memory of 1332	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	88
PID 4936 wrote to memory of 1332	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	88
PID 4936 wrote to memory of 3128	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	89
PID 4936 wrote to memory of 3128	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	89
PID 4936 wrote to memory of 3128	4936	e0eb05bcb2d716e1427dfe49ded958cf.exe	89

C:\Users\Admin\AppData\Local\Temp\e0eb05bcb2d716e1427dfe49ded958cf.exe
"C:\Users\Admin\AppData\Local\Temp\e0eb05bcb2d716e1427dfe49ded958cf.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\MVrXq9bth5d0YTC.exe
  C:\Users\Admin\AppData\Local\Temp\MVrXq9bth5d0YTC.exe
  2⤵
  - Executes dropped EXE
  PID:1332
- 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:3128

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
29f0ddd7bc7c39bc1b5cbe74538fc47f

SHA1
3309a162f2948595e624afedb50f31c4400e7f0c

SHA256
a5b49ff2e6f7e5b12316e97dcb34a232282c9899199999923e2c2637d043edd4

SHA512
bb5334e6c2bcaeddf1d0717846d22334f2990c07bab942b87983a185052968e6a75a8b360c5bf911d6bebe9c2c293679b1e01d8cca9eff0bfc0b05db9d4dd2d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MVrXq9bth5d0YTC.exe

Filesize
64KB

MD5
a32a382b8a5a906e03a83b4f3e5b7a9b

SHA1
11e2bdd0798761f93cce363329996af6c17ed796

SHA256
75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

SHA512
ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3128-8-0x00000000006F0000-0x0000000000707000-memory.dmp

Filesize
92KB

Download
memory/3128-31-0x00000000006F0000-0x0000000000707000-memory.dmp

Filesize
92KB

Download
memory/4936-0-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download
memory/4936-6-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads