troldesh | 1d0128fd3184a765076397dd308e51bbc578a3639cb9c08ab6b5c36704d772b4

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14-11-2023 17:31

231114-v3qg7acf42 10

14-11-2023 17:21

28-10-2023 19:29

24-10-2023 13:29

18-10-2023 12:04

07-09-2023 12:10

Analysis

max time kernel
30s
max time network
19s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
07-09-2023 12:10

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General

Target

27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe
Size

1.3MB
MD5

ab10e574b270345ae0c5b25045f637ec
SHA1

b7b80abf720246f149c9d57b7daf744690ef1381
SHA256

27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503
SHA512

b04f2eead322694f588ac47bbf80df7f9161ab6cd460da726619c7bca2b3bc319c2c141d668fa20076a5d8882df1157bd43c8b7a5cdc238fa61c857824df0d25
SSDEEP

24576:hUtPLf3UeTgLPgOzwUi9ERQm85EKXqKi76:hU1fUeTwPJzk98e7i76

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 8 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2224-1-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-2-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-3-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-4-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-6-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-8-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-5-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral7/memory/2224-12-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.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

pid	Process
2224	27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe
2224	27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2224	27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe

C:\Users\Admin\AppData\Local\Temp\27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe
"C:\Users\Admin\AppData\Local\Temp\27861dacdddfebc6862f96085da5ede9249b76bdb4b7af16371c51caee417503.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2224

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2224-0-0x0000000001DA0000-0x0000000001E75000-memory.dmp

Filesize
852KB

Download
memory/2224-1-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-2-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-3-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-4-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-6-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-8-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-5-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2224-11-0x0000000001DA0000-0x0000000001E75000-memory.dmp

Filesize
852KB

Download
memory/2224-12-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download