eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636

General

Target

eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
Size

81KB
MD5

36280ede77de4cbb4ed3595e28e49813
SHA1

e3ce9ada9ea1c4b53ca3858a3f71168c33622bf3
SHA256

eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636
SHA512

28a259cb2f878da8117947b63aa9517944f0660d4def559bf6307a0d04b388894407de7d60ff03df4ac9a80dca1f2923f2590c6ca499abd8e45b7c056261482e
SSDEEP

768:XUTNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2ZR1RGbLLRNeorZ9p:kzcNjQlsWjcd+xzl7SM+Gb5NeorZ9p

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2240-0-0x00000000001F0000-0x0000000000208000-memory.dmp	UPX
behavioral1/files/0x002a000000013a88-5.dat	UPX
behavioral1/memory/2248-13-0x0000000000310000-0x0000000000328000-memory.dmp	UPX
behavioral1/memory/2240-11-0x00000000001F0000-0x0000000000208000-memory.dmp	UPX
behavioral1/files/0x000d00000001342e-15.dat	UPX

Executes dropped EXE 1 IoCs

pid	Process
2248	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/2240-0-0x00000000001F0000-0x0000000000208000-memory.dmp	upx
behavioral1/files/0x002a000000013a88-5.dat	upx
behavioral1/memory/2248-13-0x0000000000310000-0x0000000000328000-memory.dmp	upx
behavioral1/memory/2240-11-0x00000000001F0000-0x0000000000208000-memory.dmp	upx
behavioral1/files/0x000d00000001342e-15.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"	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.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	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
Token: SeDebugPrivilege	2248	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2248	2240	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	28
PID 2240 wrote to memory of 2248	2240	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	28
PID 2240 wrote to memory of 2248	2240	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	28
PID 2240 wrote to memory of 2248	2240	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	28

C:\Users\Admin\AppData\Local\Temp\eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
"C:\Users\Admin\AppData\Local\Temp\eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2240
- 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:2248

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\E1B8Aa4ujxpz0r0.exe

Filesize
81KB

MD5
4da20a21c91c8e1c8761468291ad4e26

SHA1
7cd5300fa770417e50dabdb37e810568f3ef5e9c

SHA256
245d87102e38e1dca2b2060a4748d8513d733513efa4e2668ff567aaef2dd7f0

SHA512
d9a22525de3433269cc443da7e0aef762cbc87164ffed99bf7f31ea318434c12184391b037b1c5d9cc35ccacc84e2665d383da1551a80fe82773045848979102

Download Submit
C:\Windows\CTS.exe

Filesize
80KB

MD5
b596af3e5821c709a22c661155600a7e

SHA1
9c1563c6c6374f63d8cf92098a5780d614ff7759

SHA256
62ca133a4dac1f07c692b02092b18fa72fffb435be0e52a89e4e4f22c9f53624

SHA512
ddbe2fcad0ace16e2c92a4ca3e499c1639bbc6b40bf8c9549cad133ef7e1f6431ea90f7be27cf7de393328564715ec38e2a829adc7e7b64d69aa90eed99e9baf

Download Submit
memory/2240-0-0x00000000001F0000-0x0000000000208000-memory.dmp

Filesize
96KB

Download
memory/2240-11-0x00000000001F0000-0x0000000000208000-memory.dmp

Filesize
96KB

Download
memory/2240-9-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/2240-8-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/2248-13-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads