7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2024, 23:15

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General

Target

7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
Size

32KB
MD5

3c8b6c44e723252585b86acc2451f176
SHA1

61dc904437a022823f108371ef331a9920693682
SHA256

7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e
SHA512

fc6d718c483aad46a0003e8aa75624b01089f9115fed2c6628c07d931618f92e27e502a2e18c9501ef0f210ebd4005335d453ff2aeb44622e87c67ab2c9c6373
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMb+OxGyLzI4Hc:N5VzcfA/6LrVpL74gfh16nb1x1l8

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4888	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4844-0-0x0000000000F00000-0x0000000000F18000-memory.dmp	upx
behavioral2/files/0x00070000000235bf-9.dat	upx
behavioral2/memory/4888-10-0x00000000005D0000-0x00000000005E8000-memory.dmp	upx
behavioral2/memory/4844-8-0x0000000000F00000-0x0000000000F18000-memory.dmp	upx
behavioral2/files/0x00090000000232e4-13.dat	upx
behavioral2/files/0x00090000000235b8-31.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"	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.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	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
Token: SeDebugPrivilege	4888	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4888	4844	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe	88
PID 4844 wrote to memory of 4888	4844	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe	88
PID 4844 wrote to memory of 4888	4844	7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe	88

C:\Users\Admin\AppData\Local\Temp\7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe
"C:\Users\Admin\AppData\Local\Temp\7a6417865e3a2aa187306c30c81513d5f8054826101df85fbd94951ee346952e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4844
- 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:4888

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3884,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
1⤵
PID:2952

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
350KB

MD5
b4966c4d524e71a2af3f29ede091a8eb

SHA1
08897c805779e85f059da1dd79f00b5501b9a6ab

SHA256
a413efdd1a195a704d3478b2e285f0fa7dfc79b47bbf5b484f089840b7b0a860

SHA512
5f8cc63b292aacb6c242a0b1a92ae042c919af8248dbe8863d960eb2d527a209c1663bbbd89f0e2a2f2e5e9565bd628a12302b39926fdd702fda9ff04240cd83

Download Submit
C:\Users\Admin\AppData\Local\Temp\WHZg0NHkKLhdbfI.exe

Filesize
32KB

MD5
5f1000a8cdab292619e979274a624f84

SHA1
3c01c5c22223daf9a7b999c4c733cfd614315c2e

SHA256
db48d73e36cc259483cc4fe783372375d3a2a0227cb470d78616c59cf89fb965

SHA512
070470f9111188b3b2f4a0984307034f5dc04ae322b7b5d92d6c1fdc99336a8a5e4e85f7c7fa622bf4f53fd7698fdabe00e4bc63ffdb8a84fd0454951bfb6503

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/4844-0-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download
memory/4844-8-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download
memory/4888-10-0x00000000005D0000-0x00000000005E8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads