troldesh | 18e6fc0e2b81b688507a317af371e59b88c715ba55362325c9fe7e5ebbd2c60e

General

Target

537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
Size

1.3MB
MD5

537b6d0a02e95a9863d81e3bd8d768fc
SHA1

a65d15d8ae7fa4704c2657e37614d132833a2b42
SHA256

18e6fc0e2b81b688507a317af371e59b88c715ba55362325c9fe7e5ebbd2c60e
SHA512

4982a96fbc0b17943c507cdf348c3661ab69a3220e9c99f5bb0a02966997f250f13ebb9a53e8242e9fdda87ca06c9a22eb84bf0ea401d8cb445e5911846bee7e
SSDEEP

24576:E9hNSxu6v4Qih4uTKuk5QuYlLB0Y/ZB5LmHPCEqUNhXLcs4FvbrG+PfsTAFQzesL:E9hNqvWh4uTKukiuYNBhz0PCCCs4Fvbs

Score

10^/10

troldesh discovery persistence ransomware spyware stealer trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.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 2460 set thread context of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3944-2-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-3-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-4-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-5-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-6-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-8-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-9-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-12-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-11-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-7-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-15-0x0000000000400000-0x0000000000607000-memory.dmp	upx
behavioral2/memory/3944-16-0x0000000000400000-0x0000000000607000-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	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3944	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
3944	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
3944	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
3944	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100
PID 2460 wrote to memory of 3944	2460	537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\537b6d0a02e95a9863d81e3bd8d768fc_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3944

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2460-1-0x0000000002180000-0x00000000022A0000-memory.dmp

Filesize
1.1MB

Download
memory/3944-2-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-3-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-4-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-5-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-6-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-8-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-9-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-12-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-11-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-7-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-15-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3944-16-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads