troldesh | 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02

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17-04-2024 14:30

240417-rt43faca49 10

17-04-2024 14:30

17-04-2024 14:29

17-04-2024 14:29

17-04-2024 14:29

31-07-2022 05:21

Analysis

max time kernel
145s
max time network
157s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 05:21

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General

Target

94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Size

1.5MB
MD5

6599f79e40a26186261b58aa89194e5b
SHA1

0a44b71f930447d545de0f10b6f9c70d513acacc
SHA256

94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
SHA512

9e4c8b704bdf6f69df693c40c323f069ac7b9900ab8486d7e5a8423670aa1ee686ccfb6c4026f903d0928145efeee04b0b4cded0000f918862208baba9913748

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

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/900-55-0x0000000000400000-0x000000000062A000-memory.dmp	upx
behavioral1/memory/900-56-0x0000000000400000-0x000000000062A000-memory.dmp	upx
behavioral1/memory/944-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/944-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/944-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/944-67-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/900-68-0x0000000004350000-0x000000000457A000-memory.dmp	upx
behavioral1/memory/900-70-0x0000000000400000-0x000000000062A000-memory.dmp	upx
behavioral1/memory/944-69-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/944-71-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/944-72-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.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 900 set thread context of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

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 2 IoCs

pid	Process
944	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
944	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
Token: SeShutdownPrivilege	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27
PID 900 wrote to memory of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27
PID 900 wrote to memory of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27
PID 900 wrote to memory of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27
PID 900 wrote to memory of 944	900	94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe	27

C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
"C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900
- C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
  C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:944

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/900-68-0x0000000004350000-0x000000000457A000-memory.dmp

Filesize
2.2MB

Download
memory/900-55-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/900-56-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/900-57-0x00000000002A0000-0x00000000002D4000-memory.dmp

Filesize
208KB

Download
memory/900-54-0x00000000754C1000-0x00000000754C3000-memory.dmp

Filesize
8KB

Download
memory/900-70-0x0000000000400000-0x000000000062A000-memory.dmp

Filesize
2.2MB

Download
memory/944-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-66-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-67-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-69-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-71-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/944-72-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download