1b58f53b8971e88720984dab60eeb3d7e76c316e9d43ccb4a762faf5a0aa4874

General

Target

d4ea3afb5081cc97798dae3a9b9b08ba.exe
Size

89KB
MD5

d4ea3afb5081cc97798dae3a9b9b08ba
SHA1

547d3bba0bd585bcfc730b9dcb097ba78bbe945c
SHA256

1b58f53b8971e88720984dab60eeb3d7e76c316e9d43ccb4a762faf5a0aa4874
SHA512

b7460472acdb24fe746889aa0459b7cdbfbf99aef61824bf49877032107712b2926c83353b24d1c6a40340e56bed2444f1fc73b24b13bb09bd1749d79d1daf7f
SSDEEP

1536:SKcR4mjD9r823F/Du7DQTSZf/3Tb9iwOFvrnHNdXAFSiAmQWp3MmYlYpuYFb:SKcWmjRrz3Y7ETSf/3f9iw0jtVASYLMQ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2328	N4U94fPxBJDfGQL.exe
2808	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
836	d4ea3afb5081cc97798dae3a9b9b08ba.exe
836	d4ea3afb5081cc97798dae3a9b9b08ba.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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/836-0-0x0000000000E90000-0x0000000000EA7000-memory.dmp	upx
behavioral1/memory/2808-20-0x0000000001310000-0x0000000001327000-memory.dmp	upx
behavioral1/files/0x00090000000141e6-18.dat	upx
behavioral1/memory/836-14-0x0000000000E90000-0x0000000000EA7000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	d4ea3afb5081cc97798dae3a9b9b08ba.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	d4ea3afb5081cc97798dae3a9b9b08ba.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe
Token: SeDebugPrivilege	2808	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 2328	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	28
PID 836 wrote to memory of 2328	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	28
PID 836 wrote to memory of 2328	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	28
PID 836 wrote to memory of 2328	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	28
PID 836 wrote to memory of 2808	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	29
PID 836 wrote to memory of 2808	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	29
PID 836 wrote to memory of 2808	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	29
PID 836 wrote to memory of 2808	836	d4ea3afb5081cc97798dae3a9b9b08ba.exe	29

C:\Users\Admin\AppData\Local\Temp\d4ea3afb5081cc97798dae3a9b9b08ba.exe
"C:\Users\Admin\AppData\Local\Temp\d4ea3afb5081cc97798dae3a9b9b08ba.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\N4U94fPxBJDfGQL.exe
  C:\Users\Admin\AppData\Local\Temp\N4U94fPxBJDfGQL.exe
  2⤵
  - Executes dropped EXE
  PID:2328
- 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:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\N4U94fPxBJDfGQL.exe

Filesize
60KB

MD5
ed0fde686788caec4f2cb1ec9c31680c

SHA1
81ae63b87eaa9fa5637835d2122c50953ae19d34

SHA256
e362670f93cdd952335b1a41e5529f184f2022ea4d41817a9781b150b062511c

SHA512
d90d5e74a9be23816a93490ed30c0aae9f7f038a42bd14aa2ce78e95967b4aabd848f006f00ade619c9976755658d45aa0f5b6d5babbbb2d59a6ed3a3a12ac6b

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/836-0-0x0000000000E90000-0x0000000000EA7000-memory.dmp

Filesize
92KB

Download
memory/836-19-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/836-15-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/836-14-0x0000000000E90000-0x0000000000EA7000-memory.dmp

Filesize
92KB

Download
memory/2808-20-0x0000000001310000-0x0000000001327000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads