1e1328a859604f022f7266756ae4448ca4907d08d260546afb5be9b2f7792091

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
08/09/2024, 15:00

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General

Target

c1e4d58a90b2f2da19914118168414b0N.exe
Size

62KB
MD5

c1e4d58a90b2f2da19914118168414b0
SHA1

ee55bd53ac618157d53d9b05816a5248a0c1a53e
SHA256

1e1328a859604f022f7266756ae4448ca4907d08d260546afb5be9b2f7792091
SHA512

fdd574ba2a0306b51a146d642e3d270cc3fabfcf0b75f17ba91ca32d55860c19c8c63fdd840873a8d9090bd6c9776e7dbfc2c00eb449f34b482f78f99ebdcde0
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhhH/HQhR:NAoglOwvl4ulkP6vghzwYu7vih9GueIg

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4084	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4084	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"	c1e4d58a90b2f2da19914118168414b0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c1e4d58a90b2f2da19914118168414b0N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1e4d58a90b2f2da19914118168414b0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 4084	228	c1e4d58a90b2f2da19914118168414b0N.exe	90
PID 228 wrote to memory of 4084	228	c1e4d58a90b2f2da19914118168414b0N.exe	90
PID 228 wrote to memory of 4084	228	c1e4d58a90b2f2da19914118168414b0N.exe	90

C:\Users\Admin\AppData\Local\Temp\c1e4d58a90b2f2da19914118168414b0N.exe
"C:\Users\Admin\AppData\Local\Temp\c1e4d58a90b2f2da19914118168414b0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4084

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=4460,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
1⤵
PID:4300

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
62KB

MD5
5ff091236d1d86662733e2537a12ac69

SHA1
de83a6b3a30e27f2bceffa8db8e961ed535b0fcd

SHA256
45c5ad8c22e318cd5a7007eea3a6d8ed899510391d13ac41188c0882e5856012

SHA512
7431a9947a164f72695c9797fdaa70b2d9d4361e77939e8d5d260f08265e573169cb674b3e381062c0362592f7cc89346443fd1cbaf597939d4d1472432c0337

Download Submit
memory/228-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/228-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4084-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads