437c785b2093ffb955f17d63758cfb10e741509415cc55de8050e2d918716a4a

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 14:57

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General

Target

build.exe
Size

1.6MB
MD5

0a8711fa1cb4189ab364c217db5f3620
SHA1

94ee709ab608d9d4ed6143a1deae85dd9fd812b3
SHA256

437c785b2093ffb955f17d63758cfb10e741509415cc55de8050e2d918716a4a
SHA512

8176f9534103704ef3b28ed2c5ab5f79cc7a19ee535017a763727b365d7825d3bb2ddf9a9fc3eae13eac4e3cfa95ce6887362d564db2c0440d0dab5cfdb1ebab
SSDEEP

24576:Y/WWf67etHLvLdh+dLNuK5imSFRWct3BfA59jACSr6ggTan9mTYdGvhH0WygS:Uf66tXdh+147YcXIfUCc6bG9DgS

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

build.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\QuickTextPaste = "C:\\Users\\Admin\\Pictures\\QuickTextPaste\\Bin\\QuickTextPaste.exe"	build.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

build.exe

description pid process target process

PID 2580 set thread context of 2912 2580 build.exe csc.exe

description	pid	process	target process
PID 2580 set thread context of 2912	2580	build.exe	csc.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

Processes:

build.execsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

csc.exe

description pid process

Token: SeDebugPrivilege 2912 csc.exe

description	pid	process
Token: SeDebugPrivilege	2912	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

build.exe

description	pid	process	target process
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe
PID 2580 wrote to memory of 2912	2580	build.exe	csc.exe

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2912

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

Replay Monitor

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Downloads

memory/2580-18-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-1-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-2-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-7-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-6-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-5-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2580-3924-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2580-0-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2580-12-0x0000000000400000-0x00000000005C0000-memory.dmp

Filesize
1.8MB

Download
memory/2912-59-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-49-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-16-0x00000000002C0000-0x0000000000364000-memory.dmp

Filesize
656KB

Download
memory/2912-14-0x00000000002C0000-0x0000000000364000-memory.dmp

Filesize
656KB

Download
memory/2912-19-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2912-20-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-21-0x0000000004680000-0x0000000004754000-memory.dmp

Filesize
848KB

Download
memory/2912-27-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-22-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-69-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-71-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-67-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-65-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-63-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-61-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-57-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-55-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-51-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-11-0x00000000002C0000-0x0000000000364000-memory.dmp

Filesize
656KB

Download
memory/2912-47-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-45-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-43-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-8-0x00000000002C0000-0x0000000000364000-memory.dmp

Filesize
656KB

Download
memory/2912-41-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-54-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-39-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-37-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-35-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-33-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-31-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-29-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-25-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-23-0x0000000004680000-0x000000000474E000-memory.dmp

Filesize
824KB

Download
memory/2912-3925-0x0000000000A50000-0x0000000000AA6000-memory.dmp

Filesize
344KB

Download
memory/2912-3926-0x0000000002370000-0x00000000023BC000-memory.dmp

Filesize
304KB

Download
memory/2912-3927-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2912-3928-0x0000000005720000-0x0000000005774000-memory.dmp

Filesize
336KB

Download
memory/2912-3929-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download