troldesh | d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff

Analysis

max time kernel
188s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 06:52

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General

Target

d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
Size

1.6MB
MD5

da476f6e935ef8b55b13ea4c207ad4a4
SHA1

4a80f09c0a19d9a5e8ee1195b76b3c094cb36a4b
SHA256

d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff
SHA512

5512497fd98dfb75e2c77159f033712f8be958dc81d96cd44604d4595a3ed6eff78bbc8057c1d013ad538f65949cdbe8ffd0b7ec9fcb8c5832fc6826c5f8a6d4

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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1548-131-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1548-132-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1548-135-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1548-136-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1548-137-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/1548-138-0x0000000000400000-0x0000000000608000-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-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4256 set thread context of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82

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

pid	Process
1548	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
1548	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
1548	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
1548	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82
PID 4256 wrote to memory of 1548	4256	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	82

C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
"C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
  "C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1548

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

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Downloads

memory/1548-131-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1548-132-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1548-135-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1548-136-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1548-137-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1548-138-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/4256-133-0x0000000002566000-0x000000000263F000-memory.dmp

Filesize
868KB

Download
memory/4256-134-0x0000000002690000-0x0000000002765000-memory.dmp

Filesize
852KB

Download