e755da1c18d880ec127b8ce356176d1d977662728bfd7f2234b527397eff236a

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 05:29

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General

Target

1d7a6a0ec43351d6afb4117eda56ad40N.exe
Size

43KB
MD5

1d7a6a0ec43351d6afb4117eda56ad40
SHA1

1034041906406eb24ec6e92c7223d4a679a0e114
SHA256

e755da1c18d880ec127b8ce356176d1d977662728bfd7f2234b527397eff236a
SHA512

845d166288aaae0afc57ddc6ca154c8912544b3f7d302056ecc5b5ca4ba992dcf3a69ab578bd1a67ad00cdcc0e59a9ab7cbe014c0ecdb0b6270e45fd6d502cec
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh4:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYY

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4600	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4600	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"	1d7a6a0ec43351d6afb4117eda56ad40N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	1d7a6a0ec43351d6afb4117eda56ad40N.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	1d7a6a0ec43351d6afb4117eda56ad40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 4600	2644	1d7a6a0ec43351d6afb4117eda56ad40N.exe	91
PID 2644 wrote to memory of 4600	2644	1d7a6a0ec43351d6afb4117eda56ad40N.exe	91
PID 2644 wrote to memory of 4600	2644	1d7a6a0ec43351d6afb4117eda56ad40N.exe	91

C:\Users\Admin\AppData\Local\Temp\1d7a6a0ec43351d6afb4117eda56ad40N.exe
"C:\Users\Admin\AppData\Local\Temp\1d7a6a0ec43351d6afb4117eda56ad40N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4600

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=4156,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
1⤵
PID:4992

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
43KB

MD5
e158a92827ccbec502bb6686f1549b8c

SHA1
2c98ac37523c6d5e2f60136ad1df7dd71ce96b2d

SHA256
2895280d9e1871150e6b8824e9780a7be11491ea5f71389726af933c56a1fb14

SHA512
3c24e913fd393c45be9ae92857e6b6ed26c63b3bb704e35f6420ab9b45271885fc70d455572f7767ba4a1a731074a441646efb0afc5f08c8fe0eb46cf07654dd

Download Submit
memory/2644-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2644-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4600-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads