cbb18332d14b3793492646c2422b47097f9db4525e138e25d077bd8775863c9d

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 16:35

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General

Target

a9a2c2a6807eb88e2c448c1436761df4.exe
Size

24KB
MD5

a9a2c2a6807eb88e2c448c1436761df4
SHA1

41203eea0c15a62fe01c8fd69b0cde14ec035671
SHA256

cbb18332d14b3793492646c2422b47097f9db4525e138e25d077bd8775863c9d
SHA512

78b03ebe06871267a8c14cb277aac4e928b44fd7f98d755ccc5b162b01da4186d5f0de5c8f6e7374be16fa602218e41d3e3e01ab1f2cc71be242ec80f2c41a53
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5e0:bGS+ZfbJiO8qYoAX

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"	a9a2c2a6807eb88e2c448c1436761df4.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	a9a2c2a6807eb88e2c448c1436761df4.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2540	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
3056	ipconfig.exe
2692	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	tasklist.exe
Token: SeDebugPrivilege	2692	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3044	a9a2c2a6807eb88e2c448c1436761df4.exe
3044	a9a2c2a6807eb88e2c448c1436761df4.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3028	3044	a9a2c2a6807eb88e2c448c1436761df4.exe	28
PID 3044 wrote to memory of 3028	3044	a9a2c2a6807eb88e2c448c1436761df4.exe	28
PID 3044 wrote to memory of 3028	3044	a9a2c2a6807eb88e2c448c1436761df4.exe	28
PID 3044 wrote to memory of 3028	3044	a9a2c2a6807eb88e2c448c1436761df4.exe	28
PID 3028 wrote to memory of 2628	3028	cmd.exe	30
PID 3028 wrote to memory of 2628	3028	cmd.exe	30
PID 3028 wrote to memory of 2628	3028	cmd.exe	30
PID 3028 wrote to memory of 2628	3028	cmd.exe	30
PID 3028 wrote to memory of 3056	3028	cmd.exe	31
PID 3028 wrote to memory of 3056	3028	cmd.exe	31
PID 3028 wrote to memory of 3056	3028	cmd.exe	31
PID 3028 wrote to memory of 3056	3028	cmd.exe	31
PID 3028 wrote to memory of 2540	3028	cmd.exe	32
PID 3028 wrote to memory of 2540	3028	cmd.exe	32
PID 3028 wrote to memory of 2540	3028	cmd.exe	32
PID 3028 wrote to memory of 2540	3028	cmd.exe	32
PID 3028 wrote to memory of 2668	3028	cmd.exe	34
PID 3028 wrote to memory of 2668	3028	cmd.exe	34
PID 3028 wrote to memory of 2668	3028	cmd.exe	34
PID 3028 wrote to memory of 2668	3028	cmd.exe	34
PID 2668 wrote to memory of 1944	2668	net.exe	35
PID 2668 wrote to memory of 1944	2668	net.exe	35
PID 2668 wrote to memory of 1944	2668	net.exe	35
PID 2668 wrote to memory of 1944	2668	net.exe	35
PID 3028 wrote to memory of 2692	3028	cmd.exe	36
PID 3028 wrote to memory of 2692	3028	cmd.exe	36
PID 3028 wrote to memory of 2692	3028	cmd.exe	36
PID 3028 wrote to memory of 2692	3028	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\a9a2c2a6807eb88e2c448c1436761df4.exe
"C:\Users\Admin\AppData\Local\Temp\a9a2c2a6807eb88e2c448c1436761df4.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- 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:3028
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2628
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3056
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2540
- - 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:1944
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2692

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
e2084122758763a9aad92cc2402704b2

SHA1
540e6813f2724a087113ecb399bff0d824144f7e

SHA256
09ef4005460df9c087122c26c396fc2afb0bb95b79dbd6931f8dc5aa1db7698a

SHA512
4c056a7ace3b69d770a06e9ceb5a099e40ed93de25c064e173a8504182456a4cd8dacb36a8fe46ac2554fe6cdba4b275f49ed95fcd019c540d13a694d40b4247

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads