92e1564bda93d78c41c2c2898bfb3995fd9c2bd58753664231f71475baf69bd3

Analysis

max time kernel
93s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 16:05

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General

Target

Kalkulator/unins000.exe
Size

627KB
MD5

93ca48d15c99dfcdebdc09b0238275e2
SHA1

42e435fbf113fc1a4bb4667a682ea070a69f0928
SHA256

882f15b083c10518e5fc89ca5c1b88fda47cd3cd403c3a637a2c2f02d1850eb6
SHA512

2a78561e13dd0f0ac7a650b7803c2fc39bc4043b9be9e2ef6ed477b674fae8448430f033d0c9061ad0241ecaf55a5a972cfe17e6461c0182cd61963bc620fe4d
SSDEEP

12288:6tOokrvhfrPY37nzHNA6iA1D2ftCy7ONbzw32AreMAZZ9xpm:Bo0vhfrPY37nzHNA6iA+74seMAZvxpm

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2436	_iu14D2N.tmp

Executes dropped EXE 1 IoCs

pid	Process
2436	_iu14D2N.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unins000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_iu14D2N.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 2436	3876	unins000.exe	85
PID 3876 wrote to memory of 2436	3876	unins000.exe	85
PID 3876 wrote to memory of 2436	3876	unins000.exe	85

C:\Users\Admin\AppData\Local\Temp\Kalkulator\unins000.exe
"C:\Users\Admin\AppData\Local\Temp\Kalkulator\unins000.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
  "C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\Kalkulator\unins000.exe" /FIRSTPHASEWND=$4027A
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp

Filesize
627KB

MD5
93ca48d15c99dfcdebdc09b0238275e2

SHA1
42e435fbf113fc1a4bb4667a682ea070a69f0928

SHA256
882f15b083c10518e5fc89ca5c1b88fda47cd3cd403c3a637a2c2f02d1850eb6

SHA512
2a78561e13dd0f0ac7a650b7803c2fc39bc4043b9be9e2ef6ed477b674fae8448430f033d0c9061ad0241ecaf55a5a972cfe17e6461c0182cd61963bc620fe4d

Download Submit
memory/2436-6-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2436-9-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2436-8-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2436-10-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/3876-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/3876-7-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download