troldesh | 5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966

Analysis

max time kernel
151s
max time network
148s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 22:29

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General

Target

5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe
Size

1017KB
MD5

62afac80300c5b8891368983e01780fd
SHA1

a25d666d19e3c6de79127176ed8ef2f61d1d2c46
SHA256

5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966
SHA512

a3506727530f86d8c5b2d8b8b78423281d54eb42c6d37173fbcaa1d9db8571e19537c225c06d1b730a7b814c63cdf8946f0e19cdbd509280ab468af1591a0342

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
behavioral1/memory/1680-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1680-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1680-59-0x0000000000400000-0x0000000000608000-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-1-5-21-3762437355-3468409815-1164039494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.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 2 IoCs

pid	Process
1680	5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe
1680	5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1680	5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe

C:\Users\Admin\AppData\Local\Temp\5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe
"C:\Users\Admin\AppData\Local\Temp\5dc0d62f413d50f3cf877622723f1d02b89e911a0efcb1685c3ee1a3260c3966.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1680

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/1680-54-0x0000000000680000-0x0000000000755000-memory.dmp

Filesize
852KB

Download
memory/1680-55-0x0000000075E21000-0x0000000075E23000-memory.dmp

Filesize
8KB

Download
memory/1680-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1680-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1680-58-0x0000000000680000-0x0000000000755000-memory.dmp

Filesize
852KB

Download
memory/1680-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download