troldesh | 77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f

Analysis

max time kernel
153s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:18

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General

Target

77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
Size

1.4MB
MD5

f8c9f38512e2f68a81ea4ae88828e70f
SHA1

7ca68cbd2eaf56f52cb293e49502b33d84651aeb
SHA256

77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f
SHA512

c85d3bd2295e7175937cdf8003af01b87e92987747779ecd287d7e32519e96397ed90e95593ea037870bd308506fce6e0fb3ee1ffcd251965caf8d7d97e7b6c7
SSDEEP

24576:w3IpPeRM4fkcxdvdnjqtei/y1RNSA4QGF4ivjik:dP6fkUdFnjqkj1vSA5Lid

Score

10^/10

troldesh discovery persistence ransomware trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3012-133-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/3012-134-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral2/memory/3012-136-0x0000000000400000-0x0000000000608000-memory.dmp	upx

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.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
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 4 IoCs

pid	Process
3012	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
3012	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
3012	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
3012	77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe

C:\Users\Admin\AppData\Local\Temp\77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe
"C:\Users\Admin\AppData\Local\Temp\77326b81d37717b387d14b87c02dfedf6e6903c43c1e1b2061f7723e01a9452f.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3012

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3012-132-0x0000000002460000-0x0000000002535000-memory.dmp

Filesize
852KB

Download
memory/3012-133-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3012-134-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/3012-135-0x0000000002460000-0x0000000002535000-memory.dmp

Filesize
852KB

Download
memory/3012-136-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download