troldesh | 9b6667e567a5d2b86082ec3048a2f08d8f081f09049b2f2a932cfd803edbc063

General

Target

476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe
Size

1003KB
MD5

476c9e54aedbb3b83958f212f6d5fe03
SHA1

86afd5ed5694152a20d5338b3acc620ac847b297
SHA256

9b6667e567a5d2b86082ec3048a2f08d8f081f09049b2f2a932cfd803edbc063
SHA512

e89b57ba269ae16f1521e2c5efa21901b4913a52c91e13e1b404521d8e5ddcbf016097539d750f81097cf3e94b0a1e3d16713c55dfe5449c819021f3db4df761
SSDEEP

24576:IU+qLI7gShrUm7sNEJAwCIMRTbsfoIQK/Gyc7BcGh7:x+j9JUl2sRTgfoIQqvc7BcGJ

Score

10^/10

troldesh persistence ransomware trojan upx

Malware Config

Signatures

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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2984-7-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-6-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-5-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-4-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-10-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-12-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-9-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-8-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/2984-15-0x0000000000400000-0x00000000005DE000-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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1340 set thread context of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28

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
2984	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe
2984	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28
PID 1340 wrote to memory of 2984	1340	476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\476c9e54aedbb3b83958f212f6d5fe03_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2984

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1340-0-0x0000000000350000-0x0000000000419000-memory.dmp

Filesize
804KB

Download
memory/1340-1-0x0000000000350000-0x0000000000419000-memory.dmp

Filesize
804KB

Download
memory/2984-7-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-6-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-5-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-4-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-10-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-12-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-8-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/2984-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-15-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads