ef2f7a59ca2c0f60e8d7d2965f17cf3d8e347a8babb95dcb6e50e316d013e3d1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 15:24

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General

Target

291f37554db2985ffeb7a9a1b5e8a8fe.exe
Size

24KB
MD5

291f37554db2985ffeb7a9a1b5e8a8fe
SHA1

a2aa74cb1de19acaa86bcac773a99d5fbf657de7
SHA256

ef2f7a59ca2c0f60e8d7d2965f17cf3d8e347a8babb95dcb6e50e316d013e3d1
SHA512

8baf3d2948b564cabe5f4fd1b331f9209de520fdc16cbbde05252763b85eb19334af9efa2fc42f70364a3edc9f0fb13a41d2b28b03c145733e213ae1e8a7433a
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5r0:bGS+ZfbJiO8qYoAg

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"	291f37554db2985ffeb7a9a1b5e8a8fe.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	291f37554db2985ffeb7a9a1b5e8a8fe.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1412	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
2204	ipconfig.exe
2648	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1412	tasklist.exe
Token: SeDebugPrivilege	2648	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe
2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 1592	2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe	28
PID 2172 wrote to memory of 1592	2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe	28
PID 2172 wrote to memory of 1592	2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe	28
PID 2172 wrote to memory of 1592	2172	291f37554db2985ffeb7a9a1b5e8a8fe.exe	28
PID 1592 wrote to memory of 2352	1592	cmd.exe	30
PID 1592 wrote to memory of 2352	1592	cmd.exe	30
PID 1592 wrote to memory of 2352	1592	cmd.exe	30
PID 1592 wrote to memory of 2352	1592	cmd.exe	30
PID 1592 wrote to memory of 2204	1592	cmd.exe	31
PID 1592 wrote to memory of 2204	1592	cmd.exe	31
PID 1592 wrote to memory of 2204	1592	cmd.exe	31
PID 1592 wrote to memory of 2204	1592	cmd.exe	31
PID 1592 wrote to memory of 1412	1592	cmd.exe	32
PID 1592 wrote to memory of 1412	1592	cmd.exe	32
PID 1592 wrote to memory of 1412	1592	cmd.exe	32
PID 1592 wrote to memory of 1412	1592	cmd.exe	32
PID 1592 wrote to memory of 2584	1592	cmd.exe	34
PID 1592 wrote to memory of 2584	1592	cmd.exe	34
PID 1592 wrote to memory of 2584	1592	cmd.exe	34
PID 1592 wrote to memory of 2584	1592	cmd.exe	34
PID 2584 wrote to memory of 2572	2584	net.exe	36
PID 2584 wrote to memory of 2572	2584	net.exe	36
PID 2584 wrote to memory of 2572	2584	net.exe	36
PID 2584 wrote to memory of 2572	2584	net.exe	36
PID 1592 wrote to memory of 2648	1592	cmd.exe	35
PID 1592 wrote to memory of 2648	1592	cmd.exe	35
PID 1592 wrote to memory of 2648	1592	cmd.exe	35
PID 1592 wrote to memory of 2648	1592	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\291f37554db2985ffeb7a9a1b5e8a8fe.exe
"C:\Users\Admin\AppData\Local\Temp\291f37554db2985ffeb7a9a1b5e8a8fe.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2352
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2204
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1412
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2572
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2648

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
ae66d16a0cb2ffd3cb49675aa41cbc4b

SHA1
c1808fe03af93310c3e05ed64896aa59ae150295

SHA256
7d93fd00062a2d764337b6c68c1c07a48ba0b7f676b1da820e6404766eec8982

SHA512
68ec3dbacc9ba121d958fdc1a3a22bb84c42b9fe4593c7f764efa4fad455a77035dc22d6a6d1dadea5079146b1e47125ab23c6de23b8e755fc56fa19e65dfed8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads