906e2b6f50b5b228174f20b45e614b80606589de602c1e2b49e0311ed73396c9

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 00:07

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General

Target

a0b352c83af0acd62f6f869e689c4ea7.exe
Size

24KB
MD5

a0b352c83af0acd62f6f869e689c4ea7
SHA1

e2a5645f2e368332bf129c1a7c3372feef65ff5b
SHA256

906e2b6f50b5b228174f20b45e614b80606589de602c1e2b49e0311ed73396c9
SHA512

c5ec97e3396d4b9fed2ce6b55a7ceae3dd50bc2bc492efcc2d780187d6e323a852ada0de75b465368447b3c8c14031a412cc91512a9abe3a76a8eb091f8a386b
SSDEEP

384:E3eVES+/xwGkRKJ3cZlM61qmTTMVF9/q5e80:bGS+ZfbJMZO8qYoAet

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"	a0b352c83af0acd62f6f869e689c4ea7.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	a0b352c83af0acd62f6f869e689c4ea7.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1880	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
2028	ipconfig.exe
2628	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	tasklist.exe
Token: SeDebugPrivilege	2628	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1740	a0b352c83af0acd62f6f869e689c4ea7.exe
1740	a0b352c83af0acd62f6f869e689c4ea7.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1940	1740	a0b352c83af0acd62f6f869e689c4ea7.exe	28
PID 1740 wrote to memory of 1940	1740	a0b352c83af0acd62f6f869e689c4ea7.exe	28
PID 1740 wrote to memory of 1940	1740	a0b352c83af0acd62f6f869e689c4ea7.exe	28
PID 1740 wrote to memory of 1940	1740	a0b352c83af0acd62f6f869e689c4ea7.exe	28
PID 1940 wrote to memory of 2224	1940	cmd.exe	30
PID 1940 wrote to memory of 2224	1940	cmd.exe	30
PID 1940 wrote to memory of 2224	1940	cmd.exe	30
PID 1940 wrote to memory of 2224	1940	cmd.exe	30
PID 1940 wrote to memory of 2028	1940	cmd.exe	31
PID 1940 wrote to memory of 2028	1940	cmd.exe	31
PID 1940 wrote to memory of 2028	1940	cmd.exe	31
PID 1940 wrote to memory of 2028	1940	cmd.exe	31
PID 1940 wrote to memory of 1880	1940	cmd.exe	32
PID 1940 wrote to memory of 1880	1940	cmd.exe	32
PID 1940 wrote to memory of 1880	1940	cmd.exe	32
PID 1940 wrote to memory of 1880	1940	cmd.exe	32
PID 1940 wrote to memory of 2640	1940	cmd.exe	34
PID 1940 wrote to memory of 2640	1940	cmd.exe	34
PID 1940 wrote to memory of 2640	1940	cmd.exe	34
PID 1940 wrote to memory of 2640	1940	cmd.exe	34
PID 2640 wrote to memory of 2660	2640	net.exe	35
PID 2640 wrote to memory of 2660	2640	net.exe	35
PID 2640 wrote to memory of 2660	2640	net.exe	35
PID 2640 wrote to memory of 2660	2640	net.exe	35
PID 1940 wrote to memory of 2628	1940	cmd.exe	36
PID 1940 wrote to memory of 2628	1940	cmd.exe	36
PID 1940 wrote to memory of 2628	1940	cmd.exe	36
PID 1940 wrote to memory of 2628	1940	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\a0b352c83af0acd62f6f869e689c4ea7.exe
"C:\Users\Admin\AppData\Local\Temp\a0b352c83af0acd62f6f869e689c4ea7.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740
- 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:1940
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2224
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2028
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1880
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2660
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2628

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
20a619db8ec349f9675dd3dac3781171

SHA1
5549d1bb5b1ea0e0bc433940a823ada02a4e1a6f

SHA256
4d2f92be1db4e1b91cb5cd8bf2ee3594072d7e94432d98def534c3a3ae1f40e5

SHA512
21426d185bbaa6b03393b82526e2f6d25be8ed632316e79d67cec777da9ab96c78b02d713a215a9a35bd18cb203d9b606d4fa9dc0d18035a2af6fcba45eb478a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads