ceeba3661916d41e912b8bcf56727a6b3166a70d5c9c1d8ba946260e96b48b2f

Analysis

max time kernel
111s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 03:16

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General

Target

e7bf59830125221991ef127b1ad8eac0N.exe
Size

76KB
MD5

e7bf59830125221991ef127b1ad8eac0
SHA1

e67569fe70708de537df1b014df36a1e8bca6c47
SHA256

ceeba3661916d41e912b8bcf56727a6b3166a70d5c9c1d8ba946260e96b48b2f
SHA512

788293d5c372b2542a9c2cdfbfb69e23845babd2da923741149aa64ae68f56bf19d1ee88fe37140b7b5ed1279993679d871baf37d71d0cfe09aabc6f60ed0679
SSDEEP

768:OrItKyw5WHXfQmjIiIk9ecAakMb96ZyXuDLdibfffsffff2ZZZZnAAA7:Or3Z5IfQmv81abyyXcZibfffsffffD

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
1648	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	e7bf59830125221991ef127b1ad8eac0N.exe

Executes dropped EXE 1 IoCs

pid	Process
4692	igkhost.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\igkhost.exe	e7bf59830125221991ef127b1ad8eac0N.exe
File opened for modification	C:\Windows\Debug\igkhost.exe	e7bf59830125221991ef127b1ad8eac0N.exe
File opened for modification	C:\Windows\Debug\igkhost.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	igkhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7bf59830125221991ef127b1ad8eac0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4652	e7bf59830125221991ef127b1ad8eac0N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 1648	4652	e7bf59830125221991ef127b1ad8eac0N.exe	84
PID 4652 wrote to memory of 1648	4652	e7bf59830125221991ef127b1ad8eac0N.exe	84
PID 4652 wrote to memory of 1648	4652	e7bf59830125221991ef127b1ad8eac0N.exe	84
PID 4652 wrote to memory of 1292	4652	e7bf59830125221991ef127b1ad8eac0N.exe	90
PID 4652 wrote to memory of 1292	4652	e7bf59830125221991ef127b1ad8eac0N.exe	90
PID 4652 wrote to memory of 1292	4652	e7bf59830125221991ef127b1ad8eac0N.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1648	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e7bf59830125221991ef127b1ad8eac0N.exe
"C:\Users\Admin\AppData\Local\Temp\e7bf59830125221991ef127b1ad8eac0N.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:4652
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\igkhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1648
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E7BF59~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292

C:\Windows\Debug\igkhost.exe
C:\Windows\Debug\igkhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\igkhost.exe

Filesize
76KB

MD5
d90e53aeca208118124c63a5d8da61f0

SHA1
36dfd207d983703f959f18765e54a73a06988319

SHA256
cb36470a2e924b9eff27735faaf5e2b2319ff91e8020817748ec45d331e5e2a8

SHA512
b14dc702bc3674f7c817a1da79d4f0dd92745417d1bc35e2a1b627dec3803ed89aee43bfa1ad2c84774a24ecadf9e7bedc0d67a09cc866402e7ea9f375cbc3e6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads