5ced2552acf91311f403fc0732008c96e51d9ce1996451d1c9394e1b15df0945

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 19:09

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General

Target

8d1e1c668273a4ec7dad051755ecb8d2.exe
Size

24KB
MD5

8d1e1c668273a4ec7dad051755ecb8d2
SHA1

7c42541d8db2bd697dc37c6cb4acd8e505b58121
SHA256

5ced2552acf91311f403fc0732008c96e51d9ce1996451d1c9394e1b15df0945
SHA512

70893def2fbe6163bed1633e412f4484076cbe298642fd6c5f664f766e2bf45fb3339660b851978bf6d527f0d1dc2788c7c63b990b0b4f668b9579b9d2512b9a
SSDEEP

384:E3eVES+/xwGkRKJolM61qmTTMVF9/q540:bGS+ZfbJoO8qYoAB

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"	8d1e1c668273a4ec7dad051755ecb8d2.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	8d1e1c668273a4ec7dad051755ecb8d2.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2732	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
2792	ipconfig.exe
2580	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	tasklist.exe
Token: SeDebugPrivilege	2580	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	8d1e1c668273a4ec7dad051755ecb8d2.exe
2668	8d1e1c668273a4ec7dad051755ecb8d2.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2396	2668	8d1e1c668273a4ec7dad051755ecb8d2.exe	28
PID 2668 wrote to memory of 2396	2668	8d1e1c668273a4ec7dad051755ecb8d2.exe	28
PID 2668 wrote to memory of 2396	2668	8d1e1c668273a4ec7dad051755ecb8d2.exe	28
PID 2668 wrote to memory of 2396	2668	8d1e1c668273a4ec7dad051755ecb8d2.exe	28
PID 2396 wrote to memory of 2724	2396	cmd.exe	30
PID 2396 wrote to memory of 2724	2396	cmd.exe	30
PID 2396 wrote to memory of 2724	2396	cmd.exe	30
PID 2396 wrote to memory of 2724	2396	cmd.exe	30
PID 2396 wrote to memory of 2792	2396	cmd.exe	31
PID 2396 wrote to memory of 2792	2396	cmd.exe	31
PID 2396 wrote to memory of 2792	2396	cmd.exe	31
PID 2396 wrote to memory of 2792	2396	cmd.exe	31
PID 2396 wrote to memory of 2732	2396	cmd.exe	32
PID 2396 wrote to memory of 2732	2396	cmd.exe	32
PID 2396 wrote to memory of 2732	2396	cmd.exe	32
PID 2396 wrote to memory of 2732	2396	cmd.exe	32
PID 2396 wrote to memory of 2688	2396	cmd.exe	34
PID 2396 wrote to memory of 2688	2396	cmd.exe	34
PID 2396 wrote to memory of 2688	2396	cmd.exe	34
PID 2396 wrote to memory of 2688	2396	cmd.exe	34
PID 2688 wrote to memory of 2640	2688	net.exe	35
PID 2688 wrote to memory of 2640	2688	net.exe	35
PID 2688 wrote to memory of 2640	2688	net.exe	35
PID 2688 wrote to memory of 2640	2688	net.exe	35
PID 2396 wrote to memory of 2580	2396	cmd.exe	36
PID 2396 wrote to memory of 2580	2396	cmd.exe	36
PID 2396 wrote to memory of 2580	2396	cmd.exe	36
PID 2396 wrote to memory of 2580	2396	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\8d1e1c668273a4ec7dad051755ecb8d2.exe
"C:\Users\Admin\AppData\Local\Temp\8d1e1c668273a4ec7dad051755ecb8d2.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2396
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2724
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2792
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2640
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2580

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
51eac55184b6aa2d6e106834177283c6

SHA1
2aa33b26736f4592e76b0b4c01abbdfe838fb9a0

SHA256
a2a0ccb6956f6d4a4cb8f086424790d124dadda3c2493ded113de3dada11cb48

SHA512
df5d7907255ea9f207c0901e7421f490a0edaa7e0cbe494880597c6ef03c51b955ff2f11538b8ea55074302dc1ae818ff2d355e5cdb77c48b42074acc0f3c438

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads