4138eea760aabe4ca16a933974783e4b7ab96cdf33a7ba41b792fdfdb40d0c6f

Analysis

max time kernel
41s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/06/2023, 16:41

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General

Target
PRE ALERT DOCUMENTS.exe
Size 690KB
Sample230606-t64csaef52
SHA256 470c3ac6350508f77bd2b62e7a41af2dfc518b184f4bc22367f84c3a56987ed6
MD5 75df1ac2b8847c5267cd2ce01e880e2a
SHA1 e4f67256bf0e2398bbb6b19b52ee59bf7871b9ec
SHA512 913139ff85e23f9e340f10551c8888a4095274aca1adbdb3071ffa7f27abf0bf0cae03a59ada0e884fecb66912bb757d12347c2d7a01cb12f37baa210df7721e
SSDEEP 6144:j4Mq6jVKnWN/62dStLkVDreMOZv1amny5ecOKv9uXzyMqWy1ZQQq2pkare:MMq6hKW5XdSlWHqbyi+cLTWk1
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1048	PRE ALERT DOCUMENTS.exe
1048	PRE ALERT DOCUMENTS.exe
1048	PRE ALERT DOCUMENTS.exe
1048	PRE ALERT DOCUMENTS.exe
1048	PRE ALERT DOCUMENTS.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	PRE ALERT DOCUMENTS.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1868	1048	PRE ALERT DOCUMENTS.exe	28
PID 1048 wrote to memory of 1868	1048	PRE ALERT DOCUMENTS.exe	28
PID 1048 wrote to memory of 1868	1048	PRE ALERT DOCUMENTS.exe	28
PID 1048 wrote to memory of 1868	1048	PRE ALERT DOCUMENTS.exe	28
PID 1048 wrote to memory of 860	1048	PRE ALERT DOCUMENTS.exe	30
PID 1048 wrote to memory of 860	1048	PRE ALERT DOCUMENTS.exe	30
PID 1048 wrote to memory of 860	1048	PRE ALERT DOCUMENTS.exe	30
PID 1048 wrote to memory of 860	1048	PRE ALERT DOCUMENTS.exe	30
PID 1048 wrote to memory of 1492	1048	PRE ALERT DOCUMENTS.exe	31
PID 1048 wrote to memory of 1492	1048	PRE ALERT DOCUMENTS.exe	31
PID 1048 wrote to memory of 1492	1048	PRE ALERT DOCUMENTS.exe	31
PID 1048 wrote to memory of 1492	1048	PRE ALERT DOCUMENTS.exe	31
PID 1048 wrote to memory of 1772	1048	PRE ALERT DOCUMENTS.exe	32
PID 1048 wrote to memory of 1772	1048	PRE ALERT DOCUMENTS.exe	32
PID 1048 wrote to memory of 1772	1048	PRE ALERT DOCUMENTS.exe	32
PID 1048 wrote to memory of 1772	1048	PRE ALERT DOCUMENTS.exe	32
PID 1048 wrote to memory of 1332	1048	PRE ALERT DOCUMENTS.exe	33
PID 1048 wrote to memory of 1332	1048	PRE ALERT DOCUMENTS.exe	33
PID 1048 wrote to memory of 1332	1048	PRE ALERT DOCUMENTS.exe	33
PID 1048 wrote to memory of 1332	1048	PRE ALERT DOCUMENTS.exe	33
PID 1048 wrote to memory of 564	1048	PRE ALERT DOCUMENTS.exe	34
PID 1048 wrote to memory of 564	1048	PRE ALERT DOCUMENTS.exe	34
PID 1048 wrote to memory of 564	1048	PRE ALERT DOCUMENTS.exe	34
PID 1048 wrote to memory of 564	1048	PRE ALERT DOCUMENTS.exe	34

C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TCYTzwteX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C2C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1868
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
  "{path}"
  2⤵
  PID:860
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
  "{path}"
  2⤵
  PID:1492
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
  "{path}"
  2⤵
  PID:1772
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
  "{path}"
  2⤵
  PID:1332
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT DOCUMENTS.exe
  "{path}"
  2⤵
  PID:564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp6C2C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp6C2C.tmp
Size 1KB
SHA256 ac32273ef31d68f608d59b6a9eee1e33f83daae645381f37564963ab9fec444d
MD5 f06641f3f497997f6a27330186347cb3
SHA1 18eaf31d5b980bca61bb9b01806d17ca291897a6
SHA512 7e9a2320d32779ce96d4840c519ab0e94f76e61800890a58bf93d2205cdb8dfa72b41d95f409292016e4a7d8162e40dd1078a871b5f735bba132e21586a91b97
MD5 SHA1 SHA512

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memory/1048-54-0x0000000000200000-0x00000000002B2000-memory.dmp

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memory/1048-55-0x00000000003E0000-0x00000000003F4000-memory.dmp

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memory/1048-56-0x0000000004DC0000-0x0000000004E00000-memory.dmp

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memory/1048-57-0x0000000004DC0000-0x0000000004E00000-memory.dmp

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memory/1048-58-0x0000000005AF0000-0x0000000005B6E000-memory.dmp

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memory/1048-59-0x0000000001FC0000-0x0000000001FF2000-memory.dmp

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