2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1

General

Target

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Size

184KB
MD5

03b3048974fab9752b766ad54f34e1de
SHA1

818bb6de488ae0f66ca5d2075635fef43fb3551e
SHA256

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1
SHA512

43de8ed07a47d3debf5b1b6c6de53ec2cdba5bff94b4840d1b12b2e1bbb45c1b312d47cb9624c4f2bae31a74a64233b4ccc064f7175d0a60cdf436511b0d8692
SSDEEP

3072:P4URpNUUX6z/DBXJfG2WkGHF8chBUrX3u8sNyx/rc/N/LBPxjoBpXJ4OUr:P4SUjhtykE81Eyxo/NDFCvXJUr

Score

8^/10

persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jtkyyvgiu.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jtkyyvgiu.exe\DisableExceptionChainValidation	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Loads dropped DLL 1 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

pid process

1764 2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

pid	process
1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1063

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description ioc process

File created C:\ProgramData\Nokia Adapter Engine\desktop.ini 2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	ioc	process
File created	C:\ProgramData\Nokia Adapter Engine\desktop.ini	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	pid	process	target process
PID 1764 set thread context of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1496 schtasks.exe

pid	process
1496	schtasks.exe

Modifies registry class 7 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}\1B21042E\ê'{t3	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}\1B21042E\ê'{t3\BID = 2000080018000b00e607000014000000180009000000260000000000b6327f63	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}\1B21042E\CG1	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}\1B21042E	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\CLSID\{C33FA14D-EBA8-A845-A358-D829D116AF20}\1B21042E\CG1\HAL = 05ee0000	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

pid	process
1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

pid process

1644 2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	pid	process
Token: SeRestorePrivilege	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Token: SeBackupPrivilege	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
Token: SeDebugPrivilege	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe

description	pid	process	target process
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1764 wrote to memory of 1644	1764	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
PID 1644 wrote to memory of 1496	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	schtasks.exe
PID 1644 wrote to memory of 1496	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	schtasks.exe
PID 1644 wrote to memory of 1496	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	schtasks.exe
PID 1644 wrote to memory of 1496	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	schtasks.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe
PID 1644 wrote to memory of 328	1644	2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
"C:\Users\Admin\AppData\Local\Temp\2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764

C:\Users\Admin\AppData\Local\Temp\2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe
"C:\Users\Admin\AppData\Local\Temp\2a8eb1bd4c86d6f51d15dbfd3d5d9b35567843e5c84de5c24eeb251c5d2cc3b1.exe"
2⤵
- Sets file execution options in registry
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1B21042E" /TR "C:\ProgramData\Nokia Adapter Engine\jtkyyvgiu.exe" /RL HIGHEST
3⤵
- Creates scheduled task(s)
PID:1496

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
3⤵
PID:328

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Security Software Discovery

1

T1063

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nso1C7.tmp\precincts.dll
Filesize
20KB

MD5
12ae5bff3772b59ab907fdfd9282be77

SHA1
dcbf72553930741e9d1e8d4b3a25cb79c0402cdf

SHA256
94f89fa00fc651631293dd3a2230ef4e849f251ec7ce653e73f22b03227095d8

SHA512
17980f51c43a5e0fd7ed34e6f6c1f5a34705e9e873eb82a64dce8d9371dd346c97550f302db64fedc8d8cdf4d014948c6013eed89943173b7b657066ca44f92d

Download Submit
memory/328-78-0x0000000000090000-0x000000000010D000-memory.dmp

Filesize
500KB

Download
memory/328-77-0x0000000076F50000-0x00000000770D1000-memory.dmp

Filesize
1.5MB

Download
memory/328-76-0x0000000000090000-0x000000000010D000-memory.dmp

Filesize
500KB

Download
memory/328-75-0x0000000076F50000-0x00000000770D1000-memory.dmp

Filesize
1.5MB

Download
memory/328-73-0x0000000000000000-mapping.dmp

Download
memory/1496-72-0x0000000000000000-mapping.dmp

Download
memory/1644-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-63-0x000000000040120A-mapping.dmp

Download
memory/1644-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-69-0x00000000002D0000-0x000000000031B000-memory.dmp

Filesize
300KB

Download
memory/1644-70-0x00000000002D0000-0x000000000031B000-memory.dmp

Filesize
300KB

Download
memory/1644-71-0x0000000000390000-0x000000000039B000-memory.dmp

Filesize
44KB

Download
memory/1644-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-74-0x00000000002D0000-0x000000000031B000-memory.dmp

Filesize
300KB

Download
memory/1644-56-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-58-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1644-57-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1764-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads