troldesh | de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9

Analysis

max time kernel
116s
max time network
152s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
25-07-2022 04:31

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General

Target

de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe
Size

1.2MB
MD5

fcaab297c413cb5c061656ecda75d004
SHA1

cc79377e1ae8a21e1debaf524e721875a9afc58a
SHA256

de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9
SHA512

3024c7aaf052bfbb3a7286ab81808a62f166fe928f1e5a2e57ded397602600fa2305a009233075d6c7d72a3767fbd5b6daefa0df844b222dbbdbe54ae96b48d0

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/1164-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1164-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1164-58-0x0000000000400000-0x0000000000608000-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:

de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.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:

de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe

pid	process
1164	de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe
1164	de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe

pid process

1164 de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe

C:\Users\Admin\AppData\Local\Temp\de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe
"C:\Users\Admin\AppData\Local\Temp\de6636da2635e77c29d6c1cbe4d7861607591faa1aa288d9f402711b6f54b6d9.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1164

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/1164-54-0x0000000076021000-0x0000000076023000-memory.dmp

Filesize
8KB

Download
memory/1164-55-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/1164-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1164-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1164-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download