0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a

Analysis

max time kernel
91s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 06:22

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General

Target

0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe
Size

9.2MB
MD5

58a253944ded5623aee1a46c801d0a99
SHA1

c28f3d5794af7707699a7610e78a8e91c0552b42
SHA256

0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a
SHA512

78a4d936dafdec09994e7c02f90035b3e9ca002f0769364e89f671846afac9c06f506acb845b823b554d0300a507796dd28f27e35dc3d00b07884c380e970a59
SSDEEP

196608:we3H9CycWxqu7QDCOoisMvXpKYvYulYE0/ccNQ:we3dCy71kD4isMhGtcEQ

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4912	irsetup.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0004000000022dcd-133.dat	upx
behavioral2/files/0x0004000000022dcd-134.dat	upx
behavioral2/memory/4912-135-0x0000000000400000-0x0000000000527000-memory.dmp	upx
behavioral2/memory/4912-138-0x0000000000400000-0x0000000000527000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	irsetup.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\list.tmp	cmd.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1472	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4912	irsetup.exe
4912	irsetup.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4912	4964	0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe	80
PID 4964 wrote to memory of 4912	4964	0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe	80
PID 4964 wrote to memory of 4912	4964	0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe	80
PID 4912 wrote to memory of 1124	4912	irsetup.exe	81
PID 4912 wrote to memory of 1124	4912	irsetup.exe	81
PID 4912 wrote to memory of 1124	4912	irsetup.exe	81
PID 1124 wrote to memory of 1472	1124	cmd.exe	83
PID 1124 wrote to memory of 1472	1124	cmd.exe	83
PID 1124 wrote to memory of 1472	1124	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe
"C:\Users\Admin\AppData\Local\Temp\0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe
  __IRAOFF:520716 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\0896705f13b563d7856bf0d53257cada9bee091923fa2fb39b966e3aeb2e436a.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c tasklist.exe>list.tmp
    3⤵
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:1124
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist.exe
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:1472

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
memory/4912-135-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download
memory/4912-138-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download