cf0b45f2256a0c6ba1cc9e903a881302e7656be33364c96a7436ea7a6180ae6e

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 18:07

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General

Target

c9446572d65a22862243b97e92b8cdf8.exe
Size

24KB
MD5

c9446572d65a22862243b97e92b8cdf8
SHA1

82da7a284620f834b9b8ea8ccd17924c2a564c4f
SHA256

cf0b45f2256a0c6ba1cc9e903a881302e7656be33364c96a7436ea7a6180ae6e
SHA512

c7ee0d5e83e42ab8f8037ea1a747e845abfc17c90d936fb38a7ad3cadffee730e2616ba345ae4c8d48d86c677c78cb98935b42e7d7f3cefce08cb6cc3151515d
SSDEEP

384:E3eVES+/xwGkRKJYklM61qmTTMVF9/q5/0:bGS+ZfbJYkO8qYoA8

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"	c9446572d65a22862243b97e92b8cdf8.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	c9446572d65a22862243b97e92b8cdf8.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1552	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
3968	ipconfig.exe
4508	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	tasklist.exe
Token: SeDebugPrivilege	4508	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
208	c9446572d65a22862243b97e92b8cdf8.exe
208	c9446572d65a22862243b97e92b8cdf8.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 4928	208	c9446572d65a22862243b97e92b8cdf8.exe	96
PID 208 wrote to memory of 4928	208	c9446572d65a22862243b97e92b8cdf8.exe	96
PID 208 wrote to memory of 4928	208	c9446572d65a22862243b97e92b8cdf8.exe	96
PID 4928 wrote to memory of 2116	4928	cmd.exe	99
PID 4928 wrote to memory of 2116	4928	cmd.exe	99
PID 4928 wrote to memory of 2116	4928	cmd.exe	99
PID 4928 wrote to memory of 3968	4928	cmd.exe	100
PID 4928 wrote to memory of 3968	4928	cmd.exe	100
PID 4928 wrote to memory of 3968	4928	cmd.exe	100
PID 4928 wrote to memory of 1552	4928	cmd.exe	101
PID 4928 wrote to memory of 1552	4928	cmd.exe	101
PID 4928 wrote to memory of 1552	4928	cmd.exe	101
PID 4928 wrote to memory of 3888	4928	cmd.exe	103
PID 4928 wrote to memory of 3888	4928	cmd.exe	103
PID 4928 wrote to memory of 3888	4928	cmd.exe	103
PID 3888 wrote to memory of 4428	3888	net.exe	104
PID 3888 wrote to memory of 4428	3888	net.exe	104
PID 3888 wrote to memory of 4428	3888	net.exe	104
PID 4928 wrote to memory of 4508	4928	cmd.exe	105
PID 4928 wrote to memory of 4508	4928	cmd.exe	105
PID 4928 wrote to memory of 4508	4928	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\c9446572d65a22862243b97e92b8cdf8.exe
"C:\Users\Admin\AppData\Local\Temp\c9446572d65a22862243b97e92b8cdf8.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:208
- 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:4928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2116
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3968
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1552
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3888
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4428
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4508

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3940 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:208

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
15KB

MD5
1a64320ee5be2a9273d219b82f2c335d

SHA1
9b41335ab6bb7ee03090ad9b3e100e4be7e34d60

SHA256
168794acfc5e1b55f9ec405057dd7002d17fbeaf896334fda23317aee3ecbd9b

SHA512
b52d5989919b54a41d9b32e5f137edb20357cc32078c17f7dd72c15c9021b8bef8e67d859f8d7f5239a5945fe1e024c087dcff4cafef41f53a0ba3a3147561de

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads