db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980

General

Target

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe
Size

74KB
MD5

70c95d7fac0eea9b97eb03710113a7d0
SHA1

ac76af9bda73c09c30bba4b19a0b25070da08207
SHA256

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980
SHA512

183ed82cd3a062ac422d2f29f40143f855173d63f5d14181a0100fab149b4daab835a3c663c23aa8103220529fc2aa06550e0ac6d7e823676c615a22f6d4f274
SSDEEP

768:bDcpEBlLfQcubgEp1Ayk96XyXuPdtldE9aHNWnnnl000e999vddddIyyyOc:bDcWLfIbgEp10gyXOdtnTHNWnnn6c

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2264 attrib.exe

pid	process
2264	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

Executes dropped EXE 1 IoCs

Processes:

eiyhost.exe

pid process

220 eiyhost.exe
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

pid	process
220	eiyhost.exe

Drops file in Windows directory 3 IoCs

Processes:

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exeattrib.exe

description	ioc	process
File created	C:\Windows\Debug\eiyhost.exe	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe
File opened for modification	C:\Windows\Debug\eiyhost.exe	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe
File opened for modification	C:\Windows\Debug\eiyhost.exe	attrib.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exeeiyhost.exeattrib.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eiyhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

eiyhost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	eiyhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	eiyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

description pid process

Token: SeIncBasePriorityPrivilege 3708 db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe

description	pid	process	target process
PID 3708 wrote to memory of 2264	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	attrib.exe
PID 3708 wrote to memory of 2264	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	attrib.exe
PID 3708 wrote to memory of 2264	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	attrib.exe
PID 3708 wrote to memory of 4076	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	cmd.exe
PID 3708 wrote to memory of 4076	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	cmd.exe
PID 3708 wrote to memory of 4076	3708	db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2264 attrib.exe

pid	process
2264	attrib.exe

C:\Users\Admin\AppData\Local\Temp\db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe
"C:\Users\Admin\AppData\Local\Temp\db768b4c05c687b3495535ab4865b10e3a3ef43fa6bb27e9d4098c4b8da2e980N.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708

C:\Windows\SysWOW64\attrib.exe
attrib +a +s +h +r C:\Windows\Debug\eiyhost.exe
2⤵
- Sets file to hidden
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2264

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DB768B~1.EXE > nul
2⤵
- System Location Discovery: System Language Discovery
PID:4076

C:\Windows\Debug\eiyhost.exe
C:\Windows\Debug\eiyhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\eiyhost.exe

Filesize
74KB

MD5
aacdba6c449114a483b2b9fbd6ba201c

SHA1
f06342c242ce375444aab810574da56bd875745e

SHA256
d57b2ed3e76c797ceb19bfc593f7f5df067c332820b89f3c92b243d9224aa0de

SHA512
8efd2bd7ca766e74db00bb7e50ce64f2a242e31f104d95b1a761f4df6545435745f1e501456f07034d75b0a7616d35d1b052110571221ad8e9c87050a8b1b837

Download Submit
memory/220-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3708-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3708-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads