troldesh | 8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f

Analysis

max time kernel
172s
max time network
217s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 07:13

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General

Target

8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe
Size

1.1MB
MD5

b053a154a3751145ce943a7a94224447
SHA1

755d05ab8156a1fb1da6460d7a11c01bc1f1596c
SHA256

8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f
SHA512

c45b076e2915126903df171d3a94aecb95963d9ffb583ef40c4c1e015e6e1fb1836b0acb27e1f47030a62ce19bea4bcb18d590fe52593871b6d6a5530e930d31

Score

10^/10

troldesh discovery persistence ransomware 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

resource	yara_rule
behavioral1/memory/2016-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2016-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2016-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.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

pid	Process
2016	8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe
2016	8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2016	8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe

C:\Users\Admin\AppData\Local\Temp\8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe
"C:\Users\Admin\AppData\Local\Temp\8b124559bc26103c2a45f32af4d292567f8f0d63f2aa5ff439f8eb516199039f.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2016-54-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/2016-55-0x0000000001DE0000-0x0000000001EB5000-memory.dmp

Filesize
852KB

Download
memory/2016-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2016-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2016-58-0x0000000001DE0000-0x0000000001EB5000-memory.dmp

Filesize
852KB

Download
memory/2016-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download