d753105159529e34e1f98e13792b6a2f4898be0405905e31957f2a1ccb09a9b4

General

Target

fc2fe6de0c2c57302dc9dc0c272ee380N.exe
Size

34KB
MD5

fc2fe6de0c2c57302dc9dc0c272ee380
SHA1

7f20997b80fbd815a778e1550675ba260137e091
SHA256

d753105159529e34e1f98e13792b6a2f4898be0405905e31957f2a1ccb09a9b4
SHA512

0708f3e993c26f5bbc83fdd31e03890ee2f2032c72b0e3a61bd5aa3586e0fc21c8d3c7c60b41bef2c54be057109b985a756c34c00aaf438d4c4dd8068929c94d
SSDEEP

384:Pqc8W5JenQ05X9pZGmvt72B6zS3Gf1qpwPI9vpuR27vvxlLbKKDltl9HrT4:wQ0npvVYYhf1auI9vpe27DbXtlBT4

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

pid	Process
5056	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	fc2fe6de0c2c57302dc9dc0c272ee380N.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	oqchost.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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\oqchost.exe	fc2fe6de0c2c57302dc9dc0c272ee380N.exe
File opened for modification	C:\Windows\Debug\oqchost.exe	fc2fe6de0c2c57302dc9dc0c272ee380N.exe
File opened for modification	C:\Windows\Debug\oqchost.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc2fe6de0c2c57302dc9dc0c272ee380N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oqchost.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

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 5056	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	84
PID 3392 wrote to memory of 5056	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	84
PID 3392 wrote to memory of 5056	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	84
PID 3392 wrote to memory of 3452	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	90
PID 3392 wrote to memory of 3452	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	90
PID 3392 wrote to memory of 3452	3392	fc2fe6de0c2c57302dc9dc0c272ee380N.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5056	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fc2fe6de0c2c57302dc9dc0c272ee380N.exe
"C:\Users\Admin\AppData\Local\Temp\fc2fe6de0c2c57302dc9dc0c272ee380N.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:3392
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\oqchost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:5056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\FC2FE6~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3452

C:\Windows\Debug\oqchost.exe
C:\Windows\Debug\oqchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:4988

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\debug\oqchost.exe

Filesize
34KB

MD5
51f25cc43fa1d105a073908f8038f131

SHA1
c16fe713520b2bf6fe0f4a3eca42e67e1cadeeba

SHA256
66e37c27b4366d60a22b7fdc561a3ac80458596f9ef6e267eb29a531476eb7c6

SHA512
eba8a51eaa17424e4b15102562b31ac144c641ddd001061baa3a1b45aef3152a4b315b54e2e3b41888c8ab070e60c7adf465f828950c75ade42e99bda89ac0a0

Download Submit
memory/3392-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads