59b75e2d828bd41b3bc702b640caf86f158ebf9450e464ca80e25d3475d0bf21

General

Target

75825bbdbe90fa33168a5e02458d45a9.exe
Size

290KB
MD5

75825bbdbe90fa33168a5e02458d45a9
SHA1

22d1fa69017a53414ccd69cd9759178be952d163
SHA256

59b75e2d828bd41b3bc702b640caf86f158ebf9450e464ca80e25d3475d0bf21
SHA512

90441b32cf882c07bf613571db24d233fefb129f68e428efafef7dc0c55c09b27000c9de85bfe590f41ea0c45f663ff8c9b643350475efa55c2cc5a2e9fd07d3
SSDEEP

6144:/CBv9kgFL47m/w3Ld1KrYXslxaW3pyJfU:/CBv6weseLruxctU

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3032	9f9Mqz9dNsYMn5T.exe
3068	CTS.exe
1272	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
1640	75825bbdbe90fa33168a5e02458d45a9.exe
1272	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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1640-0-0x0000000000100000-0x0000000000117000-memory.dmp	upx
behavioral1/files/0x000900000001225c-14.dat	upx
behavioral1/memory/1640-10-0x0000000000100000-0x0000000000117000-memory.dmp	upx
behavioral1/memory/3068-15-0x0000000000A70000-0x0000000000A87000-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"	75825bbdbe90fa33168a5e02458d45a9.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	75825bbdbe90fa33168a5e02458d45a9.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1640	75825bbdbe90fa33168a5e02458d45a9.exe
Token: SeDebugPrivilege	3068	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 3032	1640	75825bbdbe90fa33168a5e02458d45a9.exe	28
PID 1640 wrote to memory of 3032	1640	75825bbdbe90fa33168a5e02458d45a9.exe	28
PID 1640 wrote to memory of 3032	1640	75825bbdbe90fa33168a5e02458d45a9.exe	28
PID 1640 wrote to memory of 3032	1640	75825bbdbe90fa33168a5e02458d45a9.exe	28
PID 1640 wrote to memory of 3068	1640	75825bbdbe90fa33168a5e02458d45a9.exe	29
PID 1640 wrote to memory of 3068	1640	75825bbdbe90fa33168a5e02458d45a9.exe	29
PID 1640 wrote to memory of 3068	1640	75825bbdbe90fa33168a5e02458d45a9.exe	29
PID 1640 wrote to memory of 3068	1640	75825bbdbe90fa33168a5e02458d45a9.exe	29

C:\Users\Admin\AppData\Local\Temp\75825bbdbe90fa33168a5e02458d45a9.exe
"C:\Users\Admin\AppData\Local\Temp\75825bbdbe90fa33168a5e02458d45a9.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:1640
- C:\Users\Admin\AppData\Local\Temp\9f9Mqz9dNsYMn5T.exe
  C:\Users\Admin\AppData\Local\Temp\9f9Mqz9dNsYMn5T.exe
  2⤵
  - Executes dropped EXE
  PID:3032
- 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:3068

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\9f9Mqz9dNsYMn5T.exe

Filesize
219KB

MD5
e2312f199976d03a7cf41e453c5af246

SHA1
c723bf05f7132c9b66c4f91d6cc363d08b4ed622

SHA256
84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51

SHA512
a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
57dc894376d6ffbf9af1929bd6688b6c

SHA1
cf5f1891e39142f13d3f007e2957a0d302efafff

SHA256
25001e3946468d3aa0f86f1ae322fb8354fc1c96052227346c41fb12d63fa129

SHA512
922c081df01cdcaef8cf91a484bdfe1c412a5e716aada86b3f3f61e020173cc9bd8318c072eff7f59140687fdaf3a722d62fc4c56891f906797a909da311dab1

Download Submit
memory/1640-0-0x0000000000100000-0x0000000000117000-memory.dmp

Filesize
92KB

Download
memory/1640-12-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/1640-10-0x0000000000100000-0x0000000000117000-memory.dmp

Filesize
92KB

Download
memory/1640-22-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/3068-15-0x0000000000A70000-0x0000000000A87000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads