4b3c32ba548e191895ab87affb46066b1a0cc5cc046371bab2f2e95f5f545998

Analysis

max time kernel
0s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 09:13

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General

Target

62c43fe74d3e88c5a43ffd10336735dc.exe
Size

24KB
MD5

62c43fe74d3e88c5a43ffd10336735dc
SHA1

643a691cf9860223bb006637cf724cef37adc73c
SHA256

4b3c32ba548e191895ab87affb46066b1a0cc5cc046371bab2f2e95f5f545998
SHA512

3cbf018518d297a041f60679da174a94a43033e39b19f9050eee8350e968c94d23a47d3abfda4380f37952387b96b2e06ad08a275cdb40b10d8e5b865e1a2302
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q510:bGS+ZfbJiO8qYoAa

Score

6^/10

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe"	62c43fe74d3e88c5a43ffd10336735dc.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe	62c43fe74d3e88c5a43ffd10336735dc.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2724	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2356	ipconfig.exe
3008	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	tasklist.exe
Token: SeDebugPrivilege	3008	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2008	62c43fe74d3e88c5a43ffd10336735dc.exe
2008	62c43fe74d3e88c5a43ffd10336735dc.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1544	2008	62c43fe74d3e88c5a43ffd10336735dc.exe	14
PID 2008 wrote to memory of 1544	2008	62c43fe74d3e88c5a43ffd10336735dc.exe	14
PID 2008 wrote to memory of 1544	2008	62c43fe74d3e88c5a43ffd10336735dc.exe	14
PID 2008 wrote to memory of 1544	2008	62c43fe74d3e88c5a43ffd10336735dc.exe	14
PID 1544 wrote to memory of 2576	1544	cmd.exe	21
PID 1544 wrote to memory of 2576	1544	cmd.exe	21
PID 1544 wrote to memory of 2576	1544	cmd.exe	21
PID 1544 wrote to memory of 2576	1544	cmd.exe	21
PID 1544 wrote to memory of 2356	1544	cmd.exe	15
PID 1544 wrote to memory of 2356	1544	cmd.exe	15
PID 1544 wrote to memory of 2356	1544	cmd.exe	15
PID 1544 wrote to memory of 2356	1544	cmd.exe	15
PID 1544 wrote to memory of 2724	1544	cmd.exe	16
PID 1544 wrote to memory of 2724	1544	cmd.exe	16
PID 1544 wrote to memory of 2724	1544	cmd.exe	16
PID 1544 wrote to memory of 2724	1544	cmd.exe	16
PID 1544 wrote to memory of 2740	1544	cmd.exe	18
PID 1544 wrote to memory of 2740	1544	cmd.exe	18
PID 1544 wrote to memory of 2740	1544	cmd.exe	18
PID 1544 wrote to memory of 2740	1544	cmd.exe	18
PID 2740 wrote to memory of 2748	2740	net.exe	20
PID 2740 wrote to memory of 2748	2740	net.exe	20
PID 2740 wrote to memory of 2748	2740	net.exe	20
PID 2740 wrote to memory of 2748	2740	net.exe	20
PID 1544 wrote to memory of 3008	1544	cmd.exe	19
PID 1544 wrote to memory of 3008	1544	cmd.exe	19
PID 1544 wrote to memory of 3008	1544	cmd.exe	19
PID 1544 wrote to memory of 3008	1544	cmd.exe	19

C:\Windows\SysWOW64\cmd.exe
cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\ipconfig.exe
  ipconfig /all
  2⤵
  - Gathers network information
  PID:2356
- C:\Windows\SysWOW64\tasklist.exe
  tasklist
  2⤵
  - Enumerates processes with tasklist
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\net.exe
  net start
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start
    3⤵
    PID:2748
- C:\Windows\SysWOW64\NETSTAT.EXE
  netstat -an
  2⤵
  - Gathers network information
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Windows\SysWOW64\cmd.exe
  cmd /c set
  2⤵
  PID:2576

C:\Users\Admin\AppData\Local\Temp\62c43fe74d3e88c5a43ffd10336735dc.exe
"C:\Users\Admin\AppData\Local\Temp\62c43fe74d3e88c5a43ffd10336735dc.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\temp\flash.log

Filesize
8KB

MD5
b8d4862648e6ba10474ea76f31c50c6b

SHA1
43a800f24d8d4f31774159f5d913af9be14f53ca

SHA256
ee1ab476f4b3c3d05d199a808847e1f8f747be7008071a141f9f5dbf4347553c

SHA512
9eb319bb2c86e1dbf28119c576ffe200588238bca9c9f96ed5ab237465482b8a49ac4209f9a20df75dc427dc54cd5373927682908148558fbeb85aea9fc81f02

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads