7f8f2857279cd90b3e12c90685bbf535a176a68e048d8b16db16a28c8cf6184b

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 21:54

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

13defa5b28f0cbf50f2f5e9b943e8e70N.exe
Size

39KB
MD5

13defa5b28f0cbf50f2f5e9b943e8e70
SHA1

3874a377a23634f94101e94be4622815c459cbd3
SHA256

7f8f2857279cd90b3e12c90685bbf535a176a68e048d8b16db16a28c8cf6184b
SHA512

8e4a7296c1e621b19c3dd59e9ef078bf07dc5d3c4764de5ee01be74ea385c006c0d662cc57eb88c6893953be675fc9b26f4c1519be971e236b9183d74c0a8f7d
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhX:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2372	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2372	microsofthelp.exe

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	13defa5b28f0cbf50f2f5e9b943e8e70N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	13defa5b28f0cbf50f2f5e9b943e8e70N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	13defa5b28f0cbf50f2f5e9b943e8e70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2372	3104	13defa5b28f0cbf50f2f5e9b943e8e70N.exe	92
PID 3104 wrote to memory of 2372	3104	13defa5b28f0cbf50f2f5e9b943e8e70N.exe	92
PID 3104 wrote to memory of 2372	3104	13defa5b28f0cbf50f2f5e9b943e8e70N.exe	92

C:\Users\Admin\AppData\Local\Temp\13defa5b28f0cbf50f2f5e9b943e8e70N.exe
"C:\Users\Admin\AppData\Local\Temp\13defa5b28f0cbf50f2f5e9b943e8e70N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2372

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
1⤵
PID:2488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
39KB

MD5
2a17a02a2b10c70f3fb0b15fbb956b11

SHA1
7da33eb98adcbaa64906f7bf13b70acf1c707f47

SHA256
7a819427821a294d2668ce617a46918b15a34f629c28fbae125593fe8ab4de16

SHA512
db6869fc90c97ac0c1fc34ae24003418c088925afdb0793d37d56905ad46c687901fe926447316342146a6838921b85e6caf31b0d2caf087164ea619d1c73ef9

Download Submit
memory/3104-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3104-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads