troldesh | 5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3

Resubmissions

26-12-2022 12:01

221226-n7d7dsch57 10

01-08-2022 04:09

220801-eq9sashbb6 10

Analysis

max time kernel
124s
max time network
146s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
01-08-2022 04:09

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General

Target

5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe
Size

1.5MB
MD5

2d360833f6e5d55079829f1fef4244c8
SHA1

723e580eb3608d5d27ad78fa5d067f6d3fcf1f47
SHA256

5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3
SHA512

978e47f907f673a27f1d94bd069e380deed6b272c1c1bc419115e00f521f3149a9c1deb7bdf130888ff37f7217eb231e012173053e42ec08d84580c7a9626db3

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

Processes:

resource	yara_rule
behavioral1/memory/1884-56-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1884-57-0x0000000000400000-0x0000000000608000-memory.dmp	upx
behavioral1/memory/1884-59-0x0000000000400000-0x0000000000608000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.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\""	5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.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

Processes:

5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe

pid	process
1884	5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe
1884	5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe

pid process

1884 5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe

C:\Users\Admin\AppData\Local\Temp\5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe
"C:\Users\Admin\AppData\Local\Temp\5d28b7648fbd8cc3d37843a42fb6a12639356eaf0570d647637af9c9915a79f3.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1884

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/1884-54-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1884-55-0x0000000000230000-0x0000000000305000-memory.dmp

Filesize
852KB

Download
memory/1884-56-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1884-57-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download
memory/1884-58-0x0000000000230000-0x0000000000305000-memory.dmp

Filesize
852KB

Download
memory/1884-59-0x0000000000400000-0x0000000000608000-memory.dmp

Filesize
2.0MB

Download