d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265

General

Target

d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Size

27KB
MD5

8a2229063faf7e0e7771817b21a8d605
SHA1

0423780da80d35013f66c0c08af9d03bae7c6e94
SHA256

d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265
SHA512

7db67aead1b32d759c75529984708d957b36c54d6c19107afbf39d1e18659f25c422931a08448cf431dcddfe5a6aff9f77ba6fd5dd15d65b1fcde3fe7f996e05
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMy:N5VzcfA/6LrVpL74gfh16ny

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000E90000-0x0000000000EA8000-memory.dmp	UPX
behavioral1/files/0x0030000000014eb9-7.dat	UPX
behavioral1/memory/1628-14-0x00000000002E0000-0x00000000002F8000-memory.dmp	UPX
behavioral1/memory/1728-12-0x0000000000E90000-0x0000000000EA8000-memory.dmp	UPX
behavioral1/files/0x000c00000001480e-16.dat	UPX

Executes dropped EXE 1 IoCs

pid	Process
1628	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
behavioral1/memory/1728-0-0x0000000000E90000-0x0000000000EA8000-memory.dmp	upx
behavioral1/files/0x0030000000014eb9-7.dat	upx
behavioral1/memory/1628-14-0x00000000002E0000-0x00000000002F8000-memory.dmp	upx
behavioral1/memory/1728-12-0x0000000000E90000-0x0000000000EA8000-memory.dmp	upx
behavioral1/files/0x000c00000001480e-16.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"	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.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	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
Token: SeDebugPrivilege	1628	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1628	1728	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1728 wrote to memory of 1628	1728	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1728 wrote to memory of 1628	1728	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28
PID 1728 wrote to memory of 1628	1728	d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe	28

C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe
"C:\Users\Admin\AppData\Local\Temp\d385358cdcdc02a55682f4c3bbb9054784672c161f28ea7e7415b771dffa2265.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1628

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\xX6c95EcYjqOSSP.exe

Filesize
27KB

MD5
61165aa8f440a0556036bb4c70cd0c59

SHA1
52d7cc66872f6dd6b219c28f0898e2d28bf75c01

SHA256
8fc2ab376c2674c4ee6f64a796e952f257182836714f56732250e99935767ce1

SHA512
1f88f01aeac0528bdbda7e2ab6d8d28bd3cad6dee33e26d06e0c8aa4c6d81ca0bf3b758de581684a58b2bbfb3c086f93d6f1877b9ad92059081b6aeadda2f1c8

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/1628-14-0x00000000002E0000-0x00000000002F8000-memory.dmp

Filesize
96KB

Download
memory/1728-0-0x0000000000E90000-0x0000000000EA8000-memory.dmp

Filesize
96KB

Download
memory/1728-10-0x0000000000170000-0x0000000000188000-memory.dmp

Filesize
96KB

Download
memory/1728-12-0x0000000000E90000-0x0000000000EA8000-memory.dmp

Filesize
96KB

Download
memory/1728-8-0x0000000000170000-0x0000000000188000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads