3a77a640932d9191af32746ddb62e155b77c6a8bc0c8880ed4f11184535e4010

General

Target

4345504e169ced4a4bc6374c6165cde3.exe
Size

126KB
MD5

4345504e169ced4a4bc6374c6165cde3
SHA1

c1a8c443db54c35cc7bdfbadd1c9b893c9a49d0f
SHA256

3a77a640932d9191af32746ddb62e155b77c6a8bc0c8880ed4f11184535e4010
SHA512

823b0bd5a89994a047787f416a234e969617a258e79da2163ad55d32a8e856e988831bc33c7786e1ca0c5f0d95383a225dc91220ed2c7754155529e5572b8223
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz3G25ogZ8dHO7ppsdwe7AfczK:hGyGG25ogZOHM8Afcu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2780	3rlPsKbGnYMY4k9.exe
2424	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
1652	4345504e169ced4a4bc6374c6165cde3.exe
1652	4345504e169ced4a4bc6374c6165cde3.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/1652-0-0x0000000000850000-0x0000000000867000-memory.dmp	upx
behavioral1/memory/1652-15-0x0000000000850000-0x0000000000867000-memory.dmp	upx
behavioral1/files/0x000a000000012266-14.dat	upx
behavioral1/memory/1652-11-0x0000000000110000-0x0000000000127000-memory.dmp	upx
behavioral1/memory/2424-19-0x0000000000110000-0x0000000000127000-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"	4345504e169ced4a4bc6374c6165cde3.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	4345504e169ced4a4bc6374c6165cde3.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	4345504e169ced4a4bc6374c6165cde3.exe
Token: SeDebugPrivilege	2424	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2780	1652	4345504e169ced4a4bc6374c6165cde3.exe	28
PID 1652 wrote to memory of 2780	1652	4345504e169ced4a4bc6374c6165cde3.exe	28
PID 1652 wrote to memory of 2780	1652	4345504e169ced4a4bc6374c6165cde3.exe	28
PID 1652 wrote to memory of 2780	1652	4345504e169ced4a4bc6374c6165cde3.exe	28
PID 1652 wrote to memory of 2424	1652	4345504e169ced4a4bc6374c6165cde3.exe	30
PID 1652 wrote to memory of 2424	1652	4345504e169ced4a4bc6374c6165cde3.exe	30
PID 1652 wrote to memory of 2424	1652	4345504e169ced4a4bc6374c6165cde3.exe	30
PID 1652 wrote to memory of 2424	1652	4345504e169ced4a4bc6374c6165cde3.exe	30

C:\Users\Admin\AppData\Local\Temp\4345504e169ced4a4bc6374c6165cde3.exe
"C:\Users\Admin\AppData\Local\Temp\4345504e169ced4a4bc6374c6165cde3.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:1652
- C:\Users\Admin\AppData\Local\Temp\3rlPsKbGnYMY4k9.exe
  C:\Users\Admin\AppData\Local\Temp\3rlPsKbGnYMY4k9.exe
  2⤵
  - Executes dropped EXE
  PID:2780
- 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:2424

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

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Downloads

C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
\Users\Admin\AppData\Local\Temp\3rlPsKbGnYMY4k9.exe

Filesize
67KB

MD5
50e9d1438f14e3e345db6b9f15473be0

SHA1
20b511d23f4df169b10d6cd022e90b3441af038a

SHA256
6852f4faa2d0ae8be06c198c40875c9ecc466c2da9f6899b6d1f80e7df80b5e9

SHA512
65dcd5c3ee197727beef8c5bfef4073d9ed93c6662827721310dcbc0ea02c8334dbe42a47a2aee1cbe35a2943d6518c93a1d77325e58ad74cb93828b6c691ea9

Download Submit
memory/1652-0-0x0000000000850000-0x0000000000867000-memory.dmp

Filesize
92KB

Download
memory/1652-15-0x0000000000850000-0x0000000000867000-memory.dmp

Filesize
92KB

Download
memory/1652-11-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download
memory/1652-16-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download
memory/1652-23-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download
memory/2424-19-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads