troldesh | 7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119

Analysis

max time kernel
152s
max time network
156s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
31-07-2022 07:17

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General

Target

7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe
Size

1.3MB
MD5

fcaea3ad7ae12f0951ecfe3ddfeb3f41
SHA1

7d7efab01d34da6c53dcd6b3fca1e49cfdf75885
SHA256

7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119
SHA512

2be21eb7fe5e8f609afc1525cbb1c4d7db7a50906326e8534584a008b3e8773fc2c06ea7424b341bd20c715dd5d5dfb6007ec837106a6d3d619ed14706945426

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/380-55-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/380-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/380-58-0x0000000000400000-0x0000000000608000-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-1-5-21-335065374-4263250628-1829373619-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.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
380	7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe
380	7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
380	7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe

C:\Users\Admin\AppData\Local\Temp\7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe
"C:\Users\Admin\AppData\Local\Temp\7c30ccc17f3bf544b060fc919b5c59c9e3ecddc98bfe343fd5666f2b755c8119.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:380

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/380-54-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/380-55-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/380-56-0x0000000001E70000-0x0000000001F45000-memory.dmp

Filesize
852KB

Download
memory/380-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/380-58-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download