troldesh | e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4

Resubmissions

29-01-2023 18:07

230129-wqck8sgd68 10

Analysis

max time kernel
155s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:07

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General

Target

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
Size

1.1MB
MD5

7e921e11caeb6f9594fa286d217af62e
SHA1

9253c2e0c30b7279fe6cf6a052b55b2b43ee2f84
SHA256

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4
SHA512

8d5af1af21e4a24d5546515d9f2af5a51598de7e5e335e139c38f5f426fdb0359dabb00ea6e0d0b84846781be553a8ab234b1b6c9cdf429100569101ba055fcc
SSDEEP

12288:n0FWRGqrviIa4un1WnkOJz2CFBsZX/STM3f7rUuWe+UmXELXSLbFUhNl7T7R+UtU:MunKIaNAnkOEKBslQU8ELitm/DtVy

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

Processes:

resource	yara_rule
behavioral2/memory/4856-133-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/4856-134-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/4856-135-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.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 4 IoCs

Processes:

e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

pid	process
4856	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
4856	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
4856	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
4856	e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe

C:\Users\Admin\AppData\Local\Temp\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe
"C:\Users\Admin\AppData\Local\Temp\e5379ed6dfd3130a49dcddcdddec6b21c7f90d7dee15fc9219e7ccaa0fad87d4.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4856

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4856-132-0x00000000022A0000-0x0000000002375000-memory.dmp

Filesize
852KB

Download
memory/4856-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/4856-134-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/4856-135-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download