7a3d7474a31f1d3972d23d8c5f8ce4aa3ffb76d16b2d234358e0bb6c1ced3fd6

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 13:41

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General

Target

7a66d3fd37418d12ba159af02eb8cb2e.exe
Size

24KB
MD5

7a66d3fd37418d12ba159af02eb8cb2e
SHA1

dea89513d02e6c126e57bab7372c604b0d94e954
SHA256

7a3d7474a31f1d3972d23d8c5f8ce4aa3ffb76d16b2d234358e0bb6c1ced3fd6
SHA512

86ae235ed217c2e4bead9d097185d6c239a3739f6b486b36c81dd3259e7e1b3c1ee71f611319660905c3fc4e466356c73bce4a50694ebf7df80e0994511b59e4
SSDEEP

384:E3eVES+/xwGkRKJwYP4vlM61qmTTMVF9/q5n0:bGS+ZfbJevO8qYoA0

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"	7a66d3fd37418d12ba159af02eb8cb2e.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	7a66d3fd37418d12ba159af02eb8cb2e.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2176	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
2752	NETSTAT.EXE
3052	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	tasklist.exe
Token: SeDebugPrivilege	2752	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	7a66d3fd37418d12ba159af02eb8cb2e.exe
2928	7a66d3fd37418d12ba159af02eb8cb2e.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2992	2928	7a66d3fd37418d12ba159af02eb8cb2e.exe	28
PID 2928 wrote to memory of 2992	2928	7a66d3fd37418d12ba159af02eb8cb2e.exe	28
PID 2928 wrote to memory of 2992	2928	7a66d3fd37418d12ba159af02eb8cb2e.exe	28
PID 2928 wrote to memory of 2992	2928	7a66d3fd37418d12ba159af02eb8cb2e.exe	28
PID 2992 wrote to memory of 2872	2992	cmd.exe	30
PID 2992 wrote to memory of 2872	2992	cmd.exe	30
PID 2992 wrote to memory of 2872	2992	cmd.exe	30
PID 2992 wrote to memory of 2872	2992	cmd.exe	30
PID 2992 wrote to memory of 3052	2992	cmd.exe	31
PID 2992 wrote to memory of 3052	2992	cmd.exe	31
PID 2992 wrote to memory of 3052	2992	cmd.exe	31
PID 2992 wrote to memory of 3052	2992	cmd.exe	31
PID 2992 wrote to memory of 2176	2992	cmd.exe	32
PID 2992 wrote to memory of 2176	2992	cmd.exe	32
PID 2992 wrote to memory of 2176	2992	cmd.exe	32
PID 2992 wrote to memory of 2176	2992	cmd.exe	32
PID 2992 wrote to memory of 2668	2992	cmd.exe	34
PID 2992 wrote to memory of 2668	2992	cmd.exe	34
PID 2992 wrote to memory of 2668	2992	cmd.exe	34
PID 2992 wrote to memory of 2668	2992	cmd.exe	34
PID 2668 wrote to memory of 2672	2668	net.exe	35
PID 2668 wrote to memory of 2672	2668	net.exe	35
PID 2668 wrote to memory of 2672	2668	net.exe	35
PID 2668 wrote to memory of 2672	2668	net.exe	35
PID 2992 wrote to memory of 2752	2992	cmd.exe	36
PID 2992 wrote to memory of 2752	2992	cmd.exe	36
PID 2992 wrote to memory of 2752	2992	cmd.exe	36
PID 2992 wrote to memory of 2752	2992	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\7a66d3fd37418d12ba159af02eb8cb2e.exe
"C:\Users\Admin\AppData\Local\Temp\7a66d3fd37418d12ba159af02eb8cb2e.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928
- 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:2992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2872
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3052
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2672
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2752

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
4683c9cb2663a20e339a517b14cb98a2

SHA1
c3f7bef7420446b1aabe7f39bbcbf6c00646c7b5

SHA256
589a3af5be1cd3577f15d9e0f725f94ebed209e4016e36d401cb845df34b3f3c

SHA512
0f3c60994521cb7abebe7dac464415c0faa78d91e74066c106fb5e893e924e8fd1f64e9288747f5aff40932d34c860d32c11f5ab3e846f03b1c33fe4e9f4c436

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads