troldesh | d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff

General

Target

d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
Size

1.6MB
MD5

da476f6e935ef8b55b13ea4c207ad4a4
SHA1

4a80f09c0a19d9a5e8ee1195b76b3c094cb36a4b
SHA256

d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff
SHA512

5512497fd98dfb75e2c77159f033712f8be958dc81d96cd44604d4595a3ed6eff78bbc8057c1d013ad538f65949cdbe8ffd0b7ec9fcb8c5832fc6826c5f8a6d4

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1664-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-62-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-63-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-64-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1664-65-0x0000000000400000-0x0000000000608000-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\	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.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\""	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.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 1448 set thread context of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.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
1664	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
1664	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27
PID 1448 wrote to memory of 1664	1448	d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe	27

C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
"C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe
  "C:\Users\Admin\AppData\Local\Temp\d5f90c501777a12a20ee5b0c85c1a729a4d45a351528b0397fa7dd4ceda17cff.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1664

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/1448-54-0x00000000005C0000-0x00000000006E1000-memory.dmp

Filesize
1.1MB

Download
memory/1448-59-0x0000000002280000-0x0000000002355000-memory.dmp

Filesize
852KB

Download
memory/1448-58-0x00000000005C0000-0x0000000000699000-memory.dmp

Filesize
868KB

Download
memory/1664-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-60-0x0000000076601000-0x0000000076603000-memory.dmp

Filesize
8KB

Download
memory/1664-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-61-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-62-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-63-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-64-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1664-65-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download

Analysis

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