e93674e4a69e4233821c9f571a7985b150a8887fac7f7727f938736e96be43ff

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 13:27

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General

Target

7ff36c78c59f7cbbfced8c002febb443.exe
Size

48KB
MD5

7ff36c78c59f7cbbfced8c002febb443
SHA1

d8e88b7b160e01224eb10b388fbc9071789ab7a7
SHA256

e93674e4a69e4233821c9f571a7985b150a8887fac7f7727f938736e96be43ff
SHA512

7506af8465820b2c82e5d69e12f36f11db1c68f61a386be2ae5591603f6c115686f32d45d61909732c46d154ca093ba2278251fd4966a63af6139596c3060730
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFVujVgLmm1wDYN+CGYtT:SKcR4mjD9r823FVujVgD7wfO

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4676	jGBsImqeSnNYBgN.exe
5100	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/3044-0-0x0000000000640000-0x0000000000657000-memory.dmp	upx
behavioral2/files/0x0008000000023209-6.dat	upx
behavioral2/memory/3044-7-0x0000000000640000-0x0000000000657000-memory.dmp	upx
behavioral2/memory/5100-9-0x0000000000F40000-0x0000000000F57000-memory.dmp	upx
behavioral2/files/0x0008000000022d84-12.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"	7ff36c78c59f7cbbfced8c002febb443.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	CTS.exe
File created	C:\Windows\CTS.exe	7ff36c78c59f7cbbfced8c002febb443.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	7ff36c78c59f7cbbfced8c002febb443.exe
Token: SeDebugPrivilege	5100	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 4676	3044	7ff36c78c59f7cbbfced8c002febb443.exe	84
PID 3044 wrote to memory of 4676	3044	7ff36c78c59f7cbbfced8c002febb443.exe	84
PID 3044 wrote to memory of 5100	3044	7ff36c78c59f7cbbfced8c002febb443.exe	86
PID 3044 wrote to memory of 5100	3044	7ff36c78c59f7cbbfced8c002febb443.exe	86
PID 3044 wrote to memory of 5100	3044	7ff36c78c59f7cbbfced8c002febb443.exe	86

C:\Users\Admin\AppData\Local\Temp\7ff36c78c59f7cbbfced8c002febb443.exe
"C:\Users\Admin\AppData\Local\Temp\7ff36c78c59f7cbbfced8c002febb443.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\jGBsImqeSnNYBgN.exe
  C:\Users\Admin\AppData\Local\Temp\jGBsImqeSnNYBgN.exe
  2⤵
  - Executes dropped EXE
  PID:4676
- 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:5100

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
352KB

MD5
cd395995ad3b7ea6dd35c50de4449d20

SHA1
141e498a59c64e67ec92b235e14d0b0fb824ef4c

SHA256
e17e06616d9460899763c0cf20bffb5600f209fb2e3a0ee026f158d2376fbdf2

SHA512
37fefe5ddfd9dee668d9c6ec0a241b2affefec4f1ea44cde15c8e982d6aab49202b4979bb41f3a64e49d14e43ffe02f571f5641f4549aea79039bc2530697d42

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

Filesize
18KB

MD5
3d02b1d79394fe13058ab40a0abfb133

SHA1
d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9

SHA256
41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900

SHA512
0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3044-0-0x0000000000640000-0x0000000000657000-memory.dmp

Filesize
92KB

Download
memory/3044-7-0x0000000000640000-0x0000000000657000-memory.dmp

Filesize
92KB

Download
memory/5100-9-0x0000000000F40000-0x0000000000F57000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads