c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704

General

Target

c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
Size

27KB
MD5

0293ea32ef072af2e3b0c45d5c5b431c
SHA1

84c46aa78572dfd266f010ad3f5adf660c6e93a4
SHA256

c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704
SHA512

1e35b1c5472d5c378137706eeda7c10b85123d047ad7cd6817c758146b3d5d61f2262bff4c2023b16ccf879e7946e254aa36fa70b6573c7ac78c30408d6d2fd7
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCM6:N5VzcfA/6LrVpL74gfh16n6

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/1500-0-0x0000000000DC0000-0x0000000000DD8000-memory.dmp	UPX
behavioral1/files/0x0024000000015c0d-10.dat	UPX
behavioral1/memory/1500-9-0x0000000000DC0000-0x0000000000DD8000-memory.dmp	UPX
behavioral1/memory/2684-11-0x0000000000350000-0x0000000000368000-memory.dmp	UPX
behavioral1/files/0x000b0000000155e2-15.dat	UPX
behavioral1/memory/2684-17-0x0000000000350000-0x0000000000368000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2684	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
behavioral1/memory/1500-0-0x0000000000DC0000-0x0000000000DD8000-memory.dmp	upx
behavioral1/files/0x0024000000015c0d-10.dat	upx
behavioral1/memory/1500-9-0x0000000000DC0000-0x0000000000DD8000-memory.dmp	upx
behavioral1/memory/2684-11-0x0000000000350000-0x0000000000368000-memory.dmp	upx
behavioral1/files/0x000b0000000155e2-15.dat	upx
behavioral1/memory/2684-17-0x0000000000350000-0x0000000000368000-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"	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.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	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
Token: SeDebugPrivilege	2684	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 2684	1500	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	28
PID 1500 wrote to memory of 2684	1500	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	28
PID 1500 wrote to memory of 2684	1500	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	28
PID 1500 wrote to memory of 2684	1500	c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe	28

C:\Users\Admin\AppData\Local\Temp\c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe
"C:\Users\Admin\AppData\Local\Temp\c10bc7e2804fab288c8b50034bdf46167e29141bf2b4c29d9114b3b7bb9c6704.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500
- 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:2684

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\QF1SiGnNzv0VSAg.exe

Filesize
27KB

MD5
33622e55a245646d44c149bc07771451

SHA1
f61e0f7da1160494055d850f378f6e9ee11245c0

SHA256
69278e320d8eb670fc1a67411c64a50e33d62f1eb3881e1a439c10b2ad7cf6cf

SHA512
cd229f0f750d1bd4c4165922bb25251151d13e5401b9e93476378d1f4a36fb22d08719e0f5359d7e5f49d8f28b3db803c46e0850a35b2cdfb223de4a980e97b5

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/1500-0-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/1500-9-0x0000000000DC0000-0x0000000000DD8000-memory.dmp

Filesize
96KB

Download
memory/2684-11-0x0000000000350000-0x0000000000368000-memory.dmp

Filesize
96KB

Download
memory/2684-17-0x0000000000350000-0x0000000000368000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads