cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196

Analysis

max time kernel
120s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 09:11

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General

Target

cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe
Size

40KB
MD5

28754214242d2e0467a204d388b657a0
SHA1

665cd640283708e8f140b1d35f574a0d695875b5
SHA256

cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196
SHA512

a9f60aae72bbe74cbcfa16126d0e2d817e5fbcdcc5ce8d599af4d8dc50e23999cb1c6c5e3f966afcfe87d88497b1f2237a51b11bba4e1990d460f389eeb7c26e
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJjWHm:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gn

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2824	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2824	2140	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe	30
PID 2140 wrote to memory of 2824	2140	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe	30
PID 2140 wrote to memory of 2824	2140	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe	30
PID 2140 wrote to memory of 2824	2140	cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe	30

C:\Users\Admin\AppData\Local\Temp\cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe
"C:\Users\Admin\AppData\Local\Temp\cd1a48364e70d67dd789a3ea6ddc839ed61af407c3e2d44be06b099217276196N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2824

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
40KB

MD5
24aa87d486287c5aececf957afc16ace

SHA1
da10daed77c2b4e80f39b005c6fefb257610d732

SHA256
faf5752aefeb7b4a75944f4f7988a0e5d59390a9d0346d48b4d07e94d62346aa

SHA512
ef30ea78b5dfd5e799b6f74c360cff3fb0a74ec2f813453d8cc60187d2965fd17f2e86b5d1c3ac497737d7667a955d25f494b2881495d9b9e35688ce457c17f6

Download Submit
memory/2140-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2140-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2824-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2824-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads