d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f

Analysis

max time kernel
149s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 02:41

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General

Target

d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe
Size

45KB
MD5

b947ac61c2c8e38cf9c8c9246ed06da3
SHA1

dafa1ab399451c99d6dc8fd8d899b348740b6cc8
SHA256

d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f
SHA512

15940eab5520472d55937f758560139c4c4a8f75dfec4011d231d01cab571368b5d4b86f9d6f81e44a8dbaec7d234e5e76340366deb70561feb39f34acef63db
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNht:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1160	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1160	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"	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.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	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1160	2260	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe	29
PID 2260 wrote to memory of 1160	2260	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe	29
PID 2260 wrote to memory of 1160	2260	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe	29
PID 2260 wrote to memory of 1160	2260	d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe	29

C:\Users\Admin\AppData\Local\Temp\d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe
"C:\Users\Admin\AppData\Local\Temp\d92ff2d3e93aa9845346fa1703feb946b2d8e5efaa37af9c3a24fb40cc09492f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1160

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
45KB

MD5
2a682ac28c929e41c1aadb4bda55f90d

SHA1
99e836f5eddf9348cab3b53fde321eb9cf4f32c6

SHA256
2bea4dabbb64932eb5b0549f755a73f7f263fe29c382a42010f598f4d864dd4f

SHA512
91dcd1ed407fc56c03b63c06c8602a2c8ad44c702c3d0ade7ef7e381a501f996e3dd525a1373656d261c3631e925d2fbf1b3c7a672831bde67f88bd483d6d06f

Download Submit
memory/1160-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2260-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2260-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads