0804d5e650a3593a15ed8badb5adbf36978b2e50c24b214296e13e1125611146

General

Target

23b045fa88856dbb16efd030e2162120N.exe
Size

100KB
MD5

23b045fa88856dbb16efd030e2162120
SHA1

5e8405d2cd6f46e8f14f98ac76cfbdfb9fef8754
SHA256

0804d5e650a3593a15ed8badb5adbf36978b2e50c24b214296e13e1125611146
SHA512

ab555930c3a13f1967460292bcb5917ef27b4399def6dfbc485c2a285ca4bc8a5542371c9ef501b52a4ad4e657d46d318f3410ecf63c601ee45785472ce7a67b
SSDEEP

3072:/V2A/gVh74gpgiQrbpvblLpZEoei8XVYd59u4HJh2:/MAoVNlgbFblLcoAYrk62

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3020	CTS.exe
2948	DfjL1d4EMwrEpBL.exe
1224	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
1712	23b045fa88856dbb16efd030e2162120N.exe
1712	23b045fa88856dbb16efd030e2162120N.exe
2860	Process not Found

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/1712-0-0x00000000002D0000-0x00000000002E8000-memory.dmp	upx
behavioral1/memory/3020-16-0x0000000001040000-0x0000000001058000-memory.dmp	upx
behavioral1/files/0x0008000000017487-17.dat	upx
behavioral1/memory/1712-13-0x00000000002D0000-0x00000000002E8000-memory.dmp	upx
behavioral1/memory/3020-24-0x0000000001040000-0x0000000001058000-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"	23b045fa88856dbb16efd030e2162120N.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	23b045fa88856dbb16efd030e2162120N.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	23b045fa88856dbb16efd030e2162120N.exe
Token: SeDebugPrivilege	3020	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2948	1712	23b045fa88856dbb16efd030e2162120N.exe	31
PID 1712 wrote to memory of 2948	1712	23b045fa88856dbb16efd030e2162120N.exe	31
PID 1712 wrote to memory of 2948	1712	23b045fa88856dbb16efd030e2162120N.exe	31
PID 1712 wrote to memory of 2948	1712	23b045fa88856dbb16efd030e2162120N.exe	31
PID 1712 wrote to memory of 3020	1712	23b045fa88856dbb16efd030e2162120N.exe	32
PID 1712 wrote to memory of 3020	1712	23b045fa88856dbb16efd030e2162120N.exe	32
PID 1712 wrote to memory of 3020	1712	23b045fa88856dbb16efd030e2162120N.exe	32
PID 1712 wrote to memory of 3020	1712	23b045fa88856dbb16efd030e2162120N.exe	32

C:\Users\Admin\AppData\Local\Temp\23b045fa88856dbb16efd030e2162120N.exe
"C:\Users\Admin\AppData\Local\Temp\23b045fa88856dbb16efd030e2162120N.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:1712
- C:\Users\Admin\AppData\Local\Temp\DfjL1d4EMwrEpBL.exe
  C:\Users\Admin\AppData\Local\Temp\DfjL1d4EMwrEpBL.exe
  2⤵
  - Executes dropped EXE
  PID:2948
- 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:3020

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
\Users\Admin\AppData\Local\Temp\DfjL1d4EMwrEpBL.exe

Filesize
73KB

MD5
d2778164ef643ba8f44cc202ec7ef157

SHA1
31eee7114eed6b0d2fb77c9f3605057639050786

SHA256
28b001bb9a72ae7a24242bfab248d767a1ac5dec981c672a3944f7a072375e9a

SHA512
cb2a5a2aeba9d6f6bfc4a3a4576961244c109aafb59f02134b03ebac4d16602ee7f141cc4adc519f15030c20e7e7d6585778870706b2ea4c74c1161729101635

Download Submit
memory/1712-0-0x00000000002D0000-0x00000000002E8000-memory.dmp

Filesize
96KB

Download
memory/1712-13-0x00000000002D0000-0x00000000002E8000-memory.dmp

Filesize
96KB

Download
memory/3020-16-0x0000000001040000-0x0000000001058000-memory.dmp

Filesize
96KB

Download
memory/3020-24-0x0000000001040000-0x0000000001058000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads