1e2814815adfcf81f8542db21bc0ea6f5b2efd97457b8ca2a442a24c2b14d78f

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 02:18

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General

Target

12f99b764e714f1195e08c6b4ac82180N.exe
Size

50KB
MD5

12f99b764e714f1195e08c6b4ac82180
SHA1

4625d07884ce3e74cdde6d3290b501aed9892d81
SHA256

1e2814815adfcf81f8542db21bc0ea6f5b2efd97457b8ca2a442a24c2b14d78f
SHA512

a070b52da5f6ee36efe21c91c1c2247a733046a54b8aa0cef25275638e04f6878d0a0413aa4ed63e1ce6b237ce5e9d1d2e497d885bae96d474822f807ab98d53
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIE:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2216	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	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"	12f99b764e714f1195e08c6b4ac82180N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	12f99b764e714f1195e08c6b4ac82180N.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	12f99b764e714f1195e08c6b4ac82180N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2216	768	12f99b764e714f1195e08c6b4ac82180N.exe	90
PID 768 wrote to memory of 2216	768	12f99b764e714f1195e08c6b4ac82180N.exe	90
PID 768 wrote to memory of 2216	768	12f99b764e714f1195e08c6b4ac82180N.exe	90

C:\Users\Admin\AppData\Local\Temp\12f99b764e714f1195e08c6b4ac82180N.exe
"C:\Users\Admin\AppData\Local\Temp\12f99b764e714f1195e08c6b4ac82180N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2216

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=4512,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8
1⤵
PID:3044

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
50KB

MD5
6eb9e4f5eef09d02e1c1a240fc6bcda4

SHA1
e10f039a1766c71f29c98fe26a029675f92992d7

SHA256
83cfeece5caf331f95c071c95bc131eb13dd0cc4716bcc27361b506e57ce56e9

SHA512
9af1bcef04c02d2b95e9513b40bdbd79a966e0b6909979133d758ffaeb64520825df147bd985847500714da38912414f57769feb7cf5c1490e6cc91645d6855e

Download Submit
memory/768-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/768-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2216-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2216-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads