troldesh | 5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7

Reason

Machine shutdown

General

Target

NoMoreRansom.zip
Size

916KB
MD5

f315e49d46914e3989a160bbcfc5de85
SHA1

99654bfeaad090d95deef3a2e9d5d021d2dc5f63
SHA256

5cbb6442c47708558da29588e0d8ef0b34c4716be4a47e7c715ea844fbcf60d7
SHA512

224747b15d0713afcb2641f8f3aa1687516d42e045d456b3ed096a42757a6c10c6626672366c9b632349cf6ffe41011724e6f4b684837de9b719d0f351dfd22e
SSDEEP

24576:+FhIdZxByAl+XiqNk6n3DaeCTLD1yilc7KrBVw1lFVFDqE/zQRsAOfySS:AhAgo2ikhryLD1hcerklFVhqEMiAuySS

Score

10^/10

troldesh persistence ransomware trojan upx

Malware Config

Signatures

Troldesh, Shade, Encoder.858
Troldesh is a ransomware spread by malspam.
ransomware trojan troldesh

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3056-1-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-2-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-3-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-4-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-5-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-9-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/4672-10-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/4672-11-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/4672-12-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-13-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-14-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/4672-15-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-18-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3700-19-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3700-21-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3056-22-0x0000000000400000-0x00000000005DE000-memory.dmp	upx
behavioral1/memory/3700-23-0x0000000000400000-0x00000000005DE000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client Server Runtime Subsystem = "\"C:\\ProgramData\\Windows\\csrss.exe\""	[email protected]

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "168"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3056	[email protected]
3056	[email protected]
3056	[email protected]
3056	[email protected]
4672	[email protected]
4672	[email protected]
4672	[email protected]
4672	[email protected]
3700	[email protected]
3700	[email protected]
3700	[email protected]
3700	[email protected]

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3200	LogonUI.exe

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\NoMoreRansom.zip
1⤵
PID:2676

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1052

C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3056

C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:4672

C:\Users\Admin\Desktop\[email protected]
"C:\Users\Admin\Desktop\[email protected]"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:3700

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa395f055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3056-9-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-0-0x0000000000780000-0x000000000084E000-memory.dmp

Filesize
824KB

Download
memory/3056-2-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-3-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-4-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-5-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-1-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-18-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-13-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-22-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3056-14-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3700-23-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3700-21-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/3700-19-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4672-11-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4672-15-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4672-12-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download
memory/4672-10-0x0000000000400000-0x00000000005DE000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads