troldesh | b1f13a9ef3da3c9bd2cfd0fcfd7368b48346a6995a91dd0edca12557773a7763

Analysis

max time kernel
152s
max time network
144s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-05-2023 16:08

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General

Target

360realpro.exe
Size

1.5MB
MD5

6f4a3bce5a21f15c57b1fb175048a374
SHA1

0c6fbba46356f5ed4a11b593fafd6cb89ee95038
SHA256

b1f13a9ef3da3c9bd2cfd0fcfd7368b48346a6995a91dd0edca12557773a7763
SHA512

4dc04f30ee1a2631a34012aa374367fef8c4f20315169c8cb8cac08cc52cfc186b4346dbba827417d16ea38f860648eade75d035e3631f0f16ba6c3b7e31d719
SSDEEP

24576:j2T38ElepoawixcPMAVoU3hbvJUuxN01qhMx8mx4tVkp:CDGwiy06o0bzrn2x8W4Pg

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 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1708-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-58-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-60-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-61-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1708-66-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

360realpro.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	360realpro.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	360realpro.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).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

360realpro.exe

pid process

1708 360realpro.exe
1708 360realpro.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

360realpro.exe

pid process

1708 360realpro.exe

pid	process
1708	360realpro.exe
1708	360realpro.exe

pid	process
1708	360realpro.exe

C:\Users\Admin\AppData\Local\Temp\360realpro.exe
"C:\Users\Admin\AppData\Local\Temp\360realpro.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1708

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1708-54-0x0000000001DB0000-0x0000000001E85000-memory.dmp

Filesize
852KB

Download
memory/1708-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-60-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-61-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1708-65-0x0000000001DB0000-0x0000000001E85000-memory.dmp

Filesize
852KB

Download
memory/1708-66-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download