troldesh | 629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70

Resubmissions

29-01-2023 18:20

230129-wy2v4aab6s 10

Analysis

max time kernel
139s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-01-2023 18:20

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General

Target

629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe
Size

1.2MB
MD5

969305f9f01a46e8eee82885d9bde2bd
SHA1

a5cf52711faec6b7ec152ac074496a7a6e825765
SHA256

629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70
SHA512

a916a1ef2bc9c77e9cb3476def54747dcf9c6819c9dd436d8e7ec4f9c3046ce850db7727fc97f820aba070015e06975540f5cacbf6e7341a3ffb787560590ba2
SSDEEP

24576:U0Xy5spQBcumH3iA537SEHKa3RoMF/tM7duvJkdV4KL:U0iupecuYSAt2E53WMF/+duvJIV4S

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

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1224-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1224-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1224-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

pid	process
1224	629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe
1224	629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

pid process

1224 629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe

C:\Users\Admin\AppData\Local\Temp\629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe
"C:\Users\Admin\AppData\Local\Temp\629491cb1f88530240f9260810ab2abe16b8152900bffae4068a6565a2ac7a70.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1224

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/1224-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1224-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1224-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1224-56-0x0000000001E00000-0x0000000001ED5000-memory.dmp

Filesize
852KB

Download
memory/1224-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download