troldesh | 890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421

Analysis

max time kernel
148s
max time network
200s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 14:57

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General

Target

890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe
Size

1.3MB
MD5

d619752e4d6e21240896a2bd9dfe5b09
SHA1

f0f7b2a2e760ccba4028538c92f41aa2cc3827c7
SHA256

890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421
SHA512

b7f028f7fb65c5014ee0ecd4a8ce113a48acc18e5b2e715a069bc54416d228900a7e927aeec5ec765069719158e9e676be6a0298eedc7ffe26d64faf3a86e68f
SSDEEP

24576:b2tPLf3UeTgLPgOzwUi9ERQm85EKXqKi7Q:b21fUeTwPJzk98e7i7Q

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/360-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/360-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/360-58-0x0000000000400000-0x0000000000608000-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-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.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
360	890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe
360	890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
360	890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe

C:\Users\Admin\AppData\Local\Temp\890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe
"C:\Users\Admin\AppData\Local\Temp\890f40cd572b6a4f06bc642d10c3585a5c815b0e53188d9f827ad3eba5d4f421.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:360

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/360-54-0x00000000767D1000-0x00000000767D3000-memory.dmp

Filesize
8KB

Download
memory/360-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/360-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/360-56-0x0000000000610000-0x00000000006E5000-memory.dmp

Filesize
852KB

Download
memory/360-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download