a602959e83994fac4374a6b3170fffe7f62b6b8b829575b0a300c9c991c77ff6

Analysis

max time kernel
122s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 13:20

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General

Target

d39cd2526b63d2734e9a9549f9c4496c.exe
Size

24KB
MD5

d39cd2526b63d2734e9a9549f9c4496c
SHA1

f020870fbd682e4742ceea6267d4161291b878ec
SHA256

a602959e83994fac4374a6b3170fffe7f62b6b8b829575b0a300c9c991c77ff6
SHA512

adb6ec98c2a06d09d087be649ebde39b446847f0f8b45bade3e7914a95f1d3fb9d880dd0079c2fbe4e74629a345770c54c9fc771e396df3999b441a1eb7851c2
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q58n0:bGS+ZfbJiO8qYoAf

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"	d39cd2526b63d2734e9a9549f9c4496c.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	d39cd2526b63d2734e9a9549f9c4496c.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2964	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
2700	ipconfig.exe
2648	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	tasklist.exe
Token: SeDebugPrivilege	2648	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	d39cd2526b63d2734e9a9549f9c4496c.exe
2884	d39cd2526b63d2734e9a9549f9c4496c.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2172	2884	d39cd2526b63d2734e9a9549f9c4496c.exe	28
PID 2884 wrote to memory of 2172	2884	d39cd2526b63d2734e9a9549f9c4496c.exe	28
PID 2884 wrote to memory of 2172	2884	d39cd2526b63d2734e9a9549f9c4496c.exe	28
PID 2884 wrote to memory of 2172	2884	d39cd2526b63d2734e9a9549f9c4496c.exe	28
PID 2172 wrote to memory of 1720	2172	cmd.exe	30
PID 2172 wrote to memory of 1720	2172	cmd.exe	30
PID 2172 wrote to memory of 1720	2172	cmd.exe	30
PID 2172 wrote to memory of 1720	2172	cmd.exe	30
PID 2172 wrote to memory of 2700	2172	cmd.exe	31
PID 2172 wrote to memory of 2700	2172	cmd.exe	31
PID 2172 wrote to memory of 2700	2172	cmd.exe	31
PID 2172 wrote to memory of 2700	2172	cmd.exe	31
PID 2172 wrote to memory of 2964	2172	cmd.exe	32
PID 2172 wrote to memory of 2964	2172	cmd.exe	32
PID 2172 wrote to memory of 2964	2172	cmd.exe	32
PID 2172 wrote to memory of 2964	2172	cmd.exe	32
PID 2172 wrote to memory of 2584	2172	cmd.exe	34
PID 2172 wrote to memory of 2584	2172	cmd.exe	34
PID 2172 wrote to memory of 2584	2172	cmd.exe	34
PID 2172 wrote to memory of 2584	2172	cmd.exe	34
PID 2584 wrote to memory of 2600	2584	net.exe	35
PID 2584 wrote to memory of 2600	2584	net.exe	35
PID 2584 wrote to memory of 2600	2584	net.exe	35
PID 2584 wrote to memory of 2600	2584	net.exe	35
PID 2172 wrote to memory of 2648	2172	cmd.exe	36
PID 2172 wrote to memory of 2648	2172	cmd.exe	36
PID 2172 wrote to memory of 2648	2172	cmd.exe	36
PID 2172 wrote to memory of 2648	2172	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d39cd2526b63d2734e9a9549f9c4496c.exe
"C:\Users\Admin\AppData\Local\Temp\d39cd2526b63d2734e9a9549f9c4496c.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- 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:2172
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1720
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2700
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2964
- - 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:2600
- - 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
732d659890ec122cbc85cbf4a3d603a1

SHA1
c0805ae2dc9c532b1f3e29c74c1f9c01ea6a1fff

SHA256
fc1f8a023e5d57ee8b3ea5f5b1830baa249f8da77fab3b49fcebde57be2b52f9

SHA512
7b220ad1b187812ef1d96e2acf8d12e27cbe78e901ba516c5df747e3a935f5e5e644142f2c47fc4cde0e8bcb9fbfae46d5e255731807aae67e17495a821637b4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads