troldesh | 1dcf33ce009b879ce5d5197904151dc32112476f84e50f808bf55e8c9ea2130d

General

Target

TROLDESH.exe
Size

1004KB
MD5

5294b2851a648c51de94fa83b68bb0df
SHA1

09e38aad31ae8d15a59bceb3e07e7f8a4b58189c
SHA256

1dcf33ce009b879ce5d5197904151dc32112476f84e50f808bf55e8c9ea2130d
SHA512

87c4b6b73248e167bf55b8f5b892ab15f1c5546709d0e120f1f96efda6b9ffd058e1b0b685c1596022632f603c07505a6a0af5757c679e256b4564201e91d7b7
SSDEEP

12288:09MHwMVR8EyH4Aj6fRljL2NkKwb50UmqtLQgvgFgR8S83sX+2vuiq8mKU/5k7s:0qwwWHh6ZljGG5Zn9GsX/uib6S7s

Score

10^/10

troldesh discovery persistence ransomware trojan upx

Malware Config

Signatures

Troldesh family
troldesh
Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	TROLDESH.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 2156	1156	TROLDESH.exe	30

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-6-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-7-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-8-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-12-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-9-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-10-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-5-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-4-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2156-15-0x0000000000400000-0x00000000005DE000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TROLDESH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TROLDESH.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	TROLDESH.exe
2156	TROLDESH.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30
PID 1156 wrote to memory of 2156	1156	TROLDESH.exe	30

C:\Users\Admin\AppData\Local\Temp\TROLDESH.exe
"C:\Users\Admin\AppData\Local\Temp\TROLDESH.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Users\Admin\AppData\Local\Temp\TROLDESH.exe
  "C:\Users\Admin\AppData\Local\Temp\TROLDESH.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1156-0-0x0000000001B60000-0x0000000001C29000-memory.dmp

Filesize
804KB

Download
memory/1156-1-0x0000000001B60000-0x0000000001C29000-memory.dmp

Filesize
804KB

Download
memory/2156-6-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-7-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-8-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-12-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-10-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-5-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-4-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2156-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-15-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads