troldesh | 41894e8ea0f30e351bc77f300d0271fa3f84f59ef9c7c3add17a23126afab5dc

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 17:38

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General

Target

3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe
Size

1.5MB
MD5

3bfd3875ea0485124b42126c242311be
SHA1

e480e38a95d4ca181490c1b19778185e851e6261
SHA256

41894e8ea0f30e351bc77f300d0271fa3f84f59ef9c7c3add17a23126afab5dc
SHA512

df7b1350884645acecf1beb8894c82d53231fda591c6d0dcdbcfa34e6bb2ad951c415e8ba24da313617baca1238c1af3443d1d1ec5bbf90071fa03bdabf0f022
SSDEEP

24576:ilg1xtnfCbtR6q3dNscHCmeaUOdNdi50ZQwJb:qcxU66nHCoUavhJb

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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1664-1-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/1664-2-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/1664-4-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/1664-3-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/1664-6-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/1664-9-0x0000000000400000-0x00000000005DE000-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\""	3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe

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
1664	3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe
1664	3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1664	3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3bfd3875ea0485124b42126c242311be_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1664

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1664-0-0x0000000000330000-0x00000000003FE000-memory.dmp

Filesize
824KB

Download
memory/1664-1-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/1664-2-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/1664-4-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/1664-3-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/1664-6-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/1664-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download