de4d26d256868c168d4dc8ea9841bd0cfe9f382eadef9963d7326f14bf9cd28f

Analysis

max time kernel
141s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 08:12

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General

Target

64e81ece3d7e4b24e6c14e37a6047217.exe
Size

126KB
MD5

64e81ece3d7e4b24e6c14e37a6047217
SHA1

6be2d5f299b2925787e9d6ad7e407f9c38b7ebcc
SHA256

de4d26d256868c168d4dc8ea9841bd0cfe9f382eadef9963d7326f14bf9cd28f
SHA512

09259e420bc7ed093f5d5de6f0fe41519e1fa5ea31bf1823dd7c177a7229e1035e8edcfce98af6b913c953d14af67b2a8dd5618f43bfd343401c94fd32755ffd
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz3GzBmFzMlPJ+fXSsjlyGfihuoAGS:hGyGGVGqPJXsj78Ad

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2536	08wmU7nW53NnlaX.exe
5084	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
behavioral2/memory/1584-0-0x0000000000E00000-0x0000000000E17000-memory.dmp	upx
behavioral2/memory/5084-9-0x00000000006F0000-0x0000000000707000-memory.dmp	upx
behavioral2/files/0x0008000000023218-8.dat	upx
behavioral2/files/0x000300000002276d-13.dat	upx
behavioral2/memory/1584-7-0x0000000000E00000-0x0000000000E17000-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"	64e81ece3d7e4b24e6c14e37a6047217.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	64e81ece3d7e4b24e6c14e37a6047217.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1584	64e81ece3d7e4b24e6c14e37a6047217.exe
Token: SeDebugPrivilege	5084	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 2536	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	21
PID 1584 wrote to memory of 2536	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	21
PID 1584 wrote to memory of 2536	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	21
PID 1584 wrote to memory of 5084	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	19
PID 1584 wrote to memory of 5084	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	19
PID 1584 wrote to memory of 5084	1584	64e81ece3d7e4b24e6c14e37a6047217.exe	19

C:\Users\Admin\AppData\Local\Temp\64e81ece3d7e4b24e6c14e37a6047217.exe
"C:\Users\Admin\AppData\Local\Temp\64e81ece3d7e4b24e6c14e37a6047217.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584
- 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:5084
- C:\Users\Admin\AppData\Local\Temp\08wmU7nW53NnlaX.exe
  C:\Users\Admin\AppData\Local\Temp\08wmU7nW53NnlaX.exe
  2⤵
  - Executes dropped EXE
  PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
178KB

MD5
6cacfd439a182bb0bce827258b1828f5

SHA1
f12394a3ff72e6d98ac1d6651954c0ad161de8ec

SHA256
8dcf525971415ba29652d12428aa7fde7c338a1e2a3c752159d03f50edbae94d

SHA512
40f9d795342c9f072d07239cea0830b5ccaa46e21ea003a9d2eebcc2e4d3280bcddd108a48460567c79753d2c7f7f8306ce874758d24ee3f57cfb7ce11cb0a62

Download Submit
C:\Users\Admin\AppData\Local\Temp\08wmU7nW53NnlaX.exe

Filesize
67KB

MD5
50e9d1438f14e3e345db6b9f15473be0

SHA1
20b511d23f4df169b10d6cd022e90b3441af038a

SHA256
6852f4faa2d0ae8be06c198c40875c9ecc466c2da9f6899b6d1f80e7df80b5e9

SHA512
65dcd5c3ee197727beef8c5bfef4073d9ed93c6662827721310dcbc0ea02c8334dbe42a47a2aee1cbe35a2943d6518c93a1d77325e58ad74cb93828b6c691ea9

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/1584-0-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/1584-7-0x0000000000E00000-0x0000000000E17000-memory.dmp

Filesize
92KB

Download
memory/5084-9-0x00000000006F0000-0x0000000000707000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads