61d495459085cb4f08f3cf21ab481fa31de3e0300aab68df790e8e797649f334

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
21-08-2024 07:11

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General

Target

af0323f8b23c13e4b45f8f58c159d220N.exe
Size

36KB
MD5

af0323f8b23c13e4b45f8f58c159d220
SHA1

9003f080f2d8fc23ae081925a37cb8d6ee4c6c69
SHA256

61d495459085cb4f08f3cf21ab481fa31de3e0300aab68df790e8e797649f334
SHA512

e66e34fdc389e9f4bf718f6993bb340beab915be4b33e6b6f0587218ff1a2fc2c79a651f84fb40ae1188c088449da7fc2252ecd811d6f0fe94d76a0d7fe6a206
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Ij:e6q10k0EFjed6rqJ+6vghzwYu7vih9G/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2564	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2564	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"	af0323f8b23c13e4b45f8f58c159d220N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	af0323f8b23c13e4b45f8f58c159d220N.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	af0323f8b23c13e4b45f8f58c159d220N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2564	1444	af0323f8b23c13e4b45f8f58c159d220N.exe	91
PID 1444 wrote to memory of 2564	1444	af0323f8b23c13e4b45f8f58c159d220N.exe	91
PID 1444 wrote to memory of 2564	1444	af0323f8b23c13e4b45f8f58c159d220N.exe	91

C:\Users\Admin\AppData\Local\Temp\af0323f8b23c13e4b45f8f58c159d220N.exe
"C:\Users\Admin\AppData\Local\Temp\af0323f8b23c13e4b45f8f58c159d220N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- 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:2564

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=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:1576

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
37KB

MD5
05a49b0d11527686dd191e0ccf9b6ee8

SHA1
dfc551a949f52badad37394a8d936efd84504484

SHA256
e4188d81e2f41ae57353c4ff152ee4174349882f2afa9da1eb6f0c6f1f6e43ec

SHA512
d1ac7e61d6b8abc8059012feda738a7dbef9e84ac169960c4c7fa0a0723c1a8a0c7a76ef10193b22fbd09614c517dde0cf64623eaa379e069702e8de263141ea

Download Submit
memory/1444-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1444-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2564-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads