f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5a

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 20:54

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General

Target

f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe
Size

48KB
MD5

128e3d4a8f20ffef6e189dddc1239e90
SHA1

f230923d2330eaa82611beb0bb0c53d2f24e3f57
SHA256

f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5a
SHA512

6eb61c5d9dd90987a0dc866d74177ad62e594d22f09cb19ab978a9bfa55b92f516f4b55638668aca319f55d03d47a679cbf37a6f66433392c2b58c80e8111589
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIz:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
660	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
660	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"	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.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	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 660	1140	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe	29
PID 1140 wrote to memory of 660	1140	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe	29
PID 1140 wrote to memory of 660	1140	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe	29
PID 1140 wrote to memory of 660	1140	f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe	29

C:\Users\Admin\AppData\Local\Temp\f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe
"C:\Users\Admin\AppData\Local\Temp\f62f111c723339d5afded0b941e2fdf645a2667d17f3511b6c1dd54dee964b5aN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:660

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
48KB

MD5
c13b6855497e273d37bd2501cfa98e6a

SHA1
f4dd829fae74f14f9c8ad3ad5d42fe41a78bc1d2

SHA256
d442e3d2c138e176dc26fe977f378e1537c52ca0adb9dbfffa3b00ab0b249c61

SHA512
27008f659e299406809c23569ed71a0986437471ac3fcbf8ffa2a353f194222fb7052bb7125499f82944769b487ff8c1403c3d3c7af2c9e8c4bf14862d93002a

Download Submit
memory/660-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/660-11-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1140-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1140-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1140-6-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads