troldesh | 8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07

General

Target

8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
Size

2.1MB
MD5

f79541bde0390fa17fe77490ae57ede4
SHA1

74cf35b9c1bff1a27717f07cdf73a840ba68a601
SHA256

8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07
SHA512

5f9f0b4ddd9de10f8b22167c16d2d288ad381d59d4b2bb02f0346fde36d8f122ce922c065735c0ee58ac9e36d97e9f7323f7dc2da2d1512f0a9c8e25d44dbb41

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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2004-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-62-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-65-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-67-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-68-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/2004-69-0x0000000000400000-0x0000000000608000-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
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
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\""	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.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 1228 set thread context of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27

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
2004	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
2004	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27
PID 1228 wrote to memory of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27
PID 1228 wrote to memory of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27
PID 1228 wrote to memory of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27
PID 1228 wrote to memory of 2004	1228	8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe	27

C:\Users\Admin\AppData\Local\Temp\8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
"C:\Users\Admin\AppData\Local\Temp\8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
  C:\Users\Admin\AppData\Local\Temp\8d0c39777ac5ab85f55144297ed1aebf27980191b127921eb9a5b26ff9bc1a07.exe
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1228-54-0x0000000075371000-0x0000000075373000-memory.dmp

Filesize
8KB

Download
memory/1228-55-0x0000000002020000-0x0000000002054000-memory.dmp

Filesize
208KB

Download
memory/2004-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-62-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-65-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-66-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-67-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-68-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/2004-69-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download

Analysis

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