7912ac3d1e30ce599f5cf12568e4af8b7b66f0296ca5f498596bfe2ea00b234d

Analysis

max time kernel
87s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 20:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

978d59362212f50fecd51ab1eaa17f01.exe
Size

19KB
MD5

978d59362212f50fecd51ab1eaa17f01
SHA1

9824563d0add36e1064153224f909757c8276c18
SHA256

7912ac3d1e30ce599f5cf12568e4af8b7b66f0296ca5f498596bfe2ea00b234d
SHA512

d7df8b195f61c9e62c225432e939b4a28c8fc783df5d51c7223eb222271916c6493e16b15b233a967beb9eb6468abc1ad81a95fa81e80cf11e38b3d77d7f3292
SSDEEP

384:EFq4fVdqFYX1Q1fohlEhm971sg8U34XugoR5BcnHOGwby6bl:QqKVd4YlMMZug8Uiu/R3cnu9by

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A37AE135-9BD0-3468-ACD0-3467ACE02457}	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A37AE135-9BD0-3468-ACD0-3467ACE02457}\StubPath = "C:\\Program Files\\Internet Explorer\\iecheck.com"	978d59362212f50fecd51ab1eaa17f01.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A37AE135-9BD0-3468-ACD0-3467ACE02457}	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A37AE135-9BD0-3468-ACD0-3467ACE02457}\StubPath = "C:\\Program Files\\Internet Explorer\\iecheck.com"	978d59362212f50fecd51ab1eaa17f01.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Modifies system executable filetype association 2 TTPs 4 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\NeverShowExt	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\DefaultIcon\ = "%SystemRoot%\\SysWow64\\shell32.dll,3"	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\NeverShowExt	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\DefaultIcon\ = "%SystemRoot%\\SysWow64\\shell32.dll,3"	978d59362212f50fecd51ab1eaa17f01.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3232-0-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/memory/2136-1-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/files/0x0006000000023213-6.dat	upx
behavioral2/memory/3232-15-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/memory/2136-17-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/memory/2136-18-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/memory/2136-19-0x0000000012110000-0x0000000012122000-memory.dmp	upx
behavioral2/memory/2136-39-0x0000000012110000-0x0000000012122000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tasklist.exe.manifest	978d59362212f50fecd51ab1eaa17f01.exe
File opened for modification	C:\Windows\SysWOW64\taskmgr.exe.manifest	978d59362212f50fecd51ab1eaa17f01.exe
File opened for modification	C:\Windows\SysWOW64\notepad2.exe	978d59362212f50fecd51ab1eaa17f01.exe
File opened for modification	C:\Windows\SysWOW64\tasklist.exe.manifest	978d59362212f50fecd51ab1eaa17f01.exe
File opened for modification	C:\Windows\SysWOW64\taskmgr.exe.manifest	978d59362212f50fecd51ab1eaa17f01.exe
File created	C:\Windows\SysWOW64\notepad2.exe	978d59362212f50fecd51ab1eaa17f01.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\iecheck.com	978d59362212f50fecd51ab1eaa17f01.exe
File opened for modification	C:\Program Files\Internet Explorer\iecheck.com	978d59362212f50fecd51ab1eaa17f01.exe

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1896	sc.exe
2252	sc.exe
3496	sc.exe
3056	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\NeverShowExt	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\DefaultIcon\ = "%SystemRoot%\\SysWow64\\shell32.dll,3"	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\NeverShowExt	978d59362212f50fecd51ab1eaa17f01.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\DefaultIcon\ = "%SystemRoot%\\SysWow64\\shell32.dll,3"	978d59362212f50fecd51ab1eaa17f01.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3232	978d59362212f50fecd51ab1eaa17f01.exe
Token: SeDebugPrivilege	2136	978d59362212f50fecd51ab1eaa17f01.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2136	978d59362212f50fecd51ab1eaa17f01.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4596	3232	978d59362212f50fecd51ab1eaa17f01.exe	83
PID 3232 wrote to memory of 4596	3232	978d59362212f50fecd51ab1eaa17f01.exe	83
PID 3232 wrote to memory of 4596	3232	978d59362212f50fecd51ab1eaa17f01.exe	83
PID 3232 wrote to memory of 2136	3232	978d59362212f50fecd51ab1eaa17f01.exe	84
PID 3232 wrote to memory of 2136	3232	978d59362212f50fecd51ab1eaa17f01.exe	84
PID 3232 wrote to memory of 2136	3232	978d59362212f50fecd51ab1eaa17f01.exe	84
PID 2136 wrote to memory of 3460	2136	978d59362212f50fecd51ab1eaa17f01.exe	85
PID 2136 wrote to memory of 3460	2136	978d59362212f50fecd51ab1eaa17f01.exe	85
PID 2136 wrote to memory of 3460	2136	978d59362212f50fecd51ab1eaa17f01.exe	85
PID 3232 wrote to memory of 1104	3232	978d59362212f50fecd51ab1eaa17f01.exe	86
PID 3232 wrote to memory of 1104	3232	978d59362212f50fecd51ab1eaa17f01.exe	86
PID 3232 wrote to memory of 1104	3232	978d59362212f50fecd51ab1eaa17f01.exe	86
PID 1104 wrote to memory of 1716	1104	net.exe	88
PID 1104 wrote to memory of 1716	1104	net.exe	88
PID 1104 wrote to memory of 1716	1104	net.exe	88
PID 3232 wrote to memory of 3056	3232	978d59362212f50fecd51ab1eaa17f01.exe	89
PID 3232 wrote to memory of 3056	3232	978d59362212f50fecd51ab1eaa17f01.exe	89
PID 3232 wrote to memory of 3056	3232	978d59362212f50fecd51ab1eaa17f01.exe	89
PID 3232 wrote to memory of 1896	3232	978d59362212f50fecd51ab1eaa17f01.exe	90
PID 3232 wrote to memory of 1896	3232	978d59362212f50fecd51ab1eaa17f01.exe	90
PID 3232 wrote to memory of 1896	3232	978d59362212f50fecd51ab1eaa17f01.exe	90
PID 3232 wrote to memory of 3612	3232	978d59362212f50fecd51ab1eaa17f01.exe	93
PID 3232 wrote to memory of 3612	3232	978d59362212f50fecd51ab1eaa17f01.exe	93
PID 3232 wrote to memory of 3612	3232	978d59362212f50fecd51ab1eaa17f01.exe	93
PID 2136 wrote to memory of 3452	2136	978d59362212f50fecd51ab1eaa17f01.exe	40
PID 2136 wrote to memory of 1036	2136	978d59362212f50fecd51ab1eaa17f01.exe	97
PID 2136 wrote to memory of 1036	2136	978d59362212f50fecd51ab1eaa17f01.exe	97
PID 2136 wrote to memory of 1036	2136	978d59362212f50fecd51ab1eaa17f01.exe	97
PID 1036 wrote to memory of 3948	1036	net.exe	99
PID 1036 wrote to memory of 3948	1036	net.exe	99
PID 1036 wrote to memory of 3948	1036	net.exe	99
PID 2136 wrote to memory of 2252	2136	978d59362212f50fecd51ab1eaa17f01.exe	100
PID 2136 wrote to memory of 2252	2136	978d59362212f50fecd51ab1eaa17f01.exe	100
PID 2136 wrote to memory of 2252	2136	978d59362212f50fecd51ab1eaa17f01.exe	100
PID 2136 wrote to memory of 3496	2136	978d59362212f50fecd51ab1eaa17f01.exe	101
PID 2136 wrote to memory of 3496	2136	978d59362212f50fecd51ab1eaa17f01.exe	101
PID 2136 wrote to memory of 3496	2136	978d59362212f50fecd51ab1eaa17f01.exe	101
PID 2136 wrote to memory of 3128	2136	978d59362212f50fecd51ab1eaa17f01.exe	104
PID 2136 wrote to memory of 3128	2136	978d59362212f50fecd51ab1eaa17f01.exe	104
PID 2136 wrote to memory of 3128	2136	978d59362212f50fecd51ab1eaa17f01.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3452
- C:\Users\Admin\AppData\Local\Temp\978d59362212f50fecd51ab1eaa17f01.exe
  "C:\Users\Admin\AppData\Local\Temp\978d59362212f50fecd51ab1eaa17f01.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Modifies system executable filetype association
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Windows\SysWOW64\Notepad.exe
    Notepad.exe
    3⤵
    PID:4596
- - C:\Users\Admin\AppData\Local\Temp\978d59362212f50fecd51ab1eaa17f01.exe
    C:\Users\Admin\AppData\Local\Temp\978d59362212f50fecd51ab1eaa17f01.exe
    3⤵
    - Modifies Installed Components in the registry
    - Modifies system executable filetype association
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2136
  - - C:\Windows\SysWOW64\Notepad.exe
      Notepad.exe
      4⤵
      PID:3460
  - - C:\Windows\SysWOW64\net.exe
      net stop cryptsvc
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1036
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop cryptsvc
        5⤵
        
        PID:3948
  - - C:\Windows\SysWOW64\sc.exe
      sc config cryptsvc start= disabled
      4⤵
      Launches sc.exe
      PID:2252
  - - C:\Windows\SysWOW64\sc.exe
      sc delete cryptsvc
      4⤵
      Launches sc.exe
      PID:3496
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$$$$$$$.cmd
      4⤵
      PID:3128
- - C:\Windows\SysWOW64\net.exe
    net stop cryptsvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1104
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop cryptsvc
      4⤵
      PID:1716
- - C:\Windows\SysWOW64\sc.exe
    sc config cryptsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:3056
- - C:\Windows\SysWOW64\sc.exe
    sc delete cryptsvc
    3⤵
    - Launches sc.exe
    PID:1896
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$$$$$$$.cmd
    3⤵
    PID:3612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\$$$$$$$$.cmd

Filesize
242B

MD5
6f9d8b9ec7936433b4c4ab2e16c2993b

SHA1
c2a9bb9698666e48456df74b3868a479b63f0c9e

SHA256
68fe3004ac847defb1bfd15f51d4f22517af371bf88c06c17872aebefe018337

SHA512
f156059ad4a8170a9d9a3bd7498b65c163bc6cfeacbd4ab52fcf27400aa3d8bfbbcda5f2050aae29df1697d0b9bf368658cfbce1f28d8fbcdc8cba12f118506f

Download Submit
C:\Windows\Temp\~tmp85.tmp

Filesize
19KB

MD5
978d59362212f50fecd51ab1eaa17f01

SHA1
9824563d0add36e1064153224f909757c8276c18

SHA256
7912ac3d1e30ce599f5cf12568e4af8b7b66f0296ca5f498596bfe2ea00b234d

SHA512
d7df8b195f61c9e62c225432e939b4a28c8fc783df5d51c7223eb222271916c6493e16b15b233a967beb9eb6468abc1ad81a95fa81e80cf11e38b3d77d7f3292

Download Submit
memory/2136-1-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/2136-17-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/2136-18-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/2136-19-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/2136-39-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/3232-0-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download
memory/3232-15-0x0000000012110000-0x0000000012122000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads