troldesh | 03246cda354d8efbc9e22057cc283609825f15cf33ddc5296deac54c2b540218

Resubmissions

05-07-2023 13:23

230705-qnby2acf23 10

Analysis

max time kernel
129s
max time network
135s
platform
windows7_x64
resource
win7-20230703-en
resource tags

arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
submitted
05-07-2023 13:24

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General

Target

03246cda354d8efbc9e22057c.exe
Size

1.1MB
MD5

32126de1466136e0b4f39560f3956fb9
SHA1

1f2b679904a40552d24d430529e70c916504aef4
SHA256

03246cda354d8efbc9e22057cc283609825f15cf33ddc5296deac54c2b540218
SHA512

50b49d35e8953584e1dc3a9263093ef1be4f75ac6daec1eb18d649ff9228d819166aa0949f9f0f336354ce10ad7f5a71295b1704b86f311c0e3afebbbc9905ec
SSDEEP

24576:o67iOScr1wsPJ0L9V/QvZzvG7L6U0Bshunf:o67iO3isPJ0LSvQ5hunf

Score

10^/10

troldesh discovery persistence ransomware spyware stealer trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh
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
T1081

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2392-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2392-69-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03246cda354d8efbc9e22057c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	03246cda354d8efbc9e22057c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2859459355-424593036-1984306042-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	03246cda354d8efbc9e22057c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

03246cda354d8efbc9e22057c.exe

pid process

2392 03246cda354d8efbc9e22057c.exe
2392 03246cda354d8efbc9e22057c.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

03246cda354d8efbc9e22057c.exe

pid process

2392 03246cda354d8efbc9e22057c.exe

pid	process
2392	03246cda354d8efbc9e22057c.exe
2392	03246cda354d8efbc9e22057c.exe

pid	process
2392	03246cda354d8efbc9e22057c.exe

C:\Users\Admin\AppData\Local\Temp\03246cda354d8efbc9e22057c.exe
"C:\Users\Admin\AppData\Local\Temp\03246cda354d8efbc9e22057c.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2392-54-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/2392-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-61-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-65-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/2392-66-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2392-69-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download