931cac751277e1ecda91292b86eaf757dacb53e3fc679580008b58e5a7b04cea

Analysis

max time kernel
28s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 13:22

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General

Target

19d61765b171d6105887e33b0534d35a.exe
Size

1003KB
MD5

19d61765b171d6105887e33b0534d35a
SHA1

be79f5978189d1209ee6a6faaad443f39f291d4a
SHA256

931cac751277e1ecda91292b86eaf757dacb53e3fc679580008b58e5a7b04cea
SHA512

8395cbf7c456dfa56f84a347de7deae78b65b002c40d6965015c0a20350e2c3143f9b0f048e6050f4376c61a608d6bb32d08544205832108e56bc93fdb350ef2
SSDEEP

24576:dCJ7BX5S6Fib+ZxcZ9PuLV8gSvnIyeCZi8ZSsfXdYLUcyIIfy:dM7R5S6FiKktvgSvIyeC48QsfdYLRyIo

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2744	19d61765b171d6105887e33b0534d35a.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	19d61765b171d6105887e33b0534d35a.exe

Loads dropped DLL 1 IoCs

pid	Process
2448	19d61765b171d6105887e33b0534d35a.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2448-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral1/memory/2448-16-0x0000000022F20000-0x000000002317C000-memory.dmp	upx
behavioral1/files/0x000a000000012243-14.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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/Job

T1053

pid	Process
3012	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2448	19d61765b171d6105887e33b0534d35a.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2448	19d61765b171d6105887e33b0534d35a.exe
2744	19d61765b171d6105887e33b0534d35a.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2744	2448	19d61765b171d6105887e33b0534d35a.exe	22
PID 2448 wrote to memory of 2744	2448	19d61765b171d6105887e33b0534d35a.exe	22
PID 2448 wrote to memory of 2744	2448	19d61765b171d6105887e33b0534d35a.exe	22
PID 2448 wrote to memory of 2744	2448	19d61765b171d6105887e33b0534d35a.exe	22
PID 2744 wrote to memory of 3012	2744	19d61765b171d6105887e33b0534d35a.exe	23
PID 2744 wrote to memory of 3012	2744	19d61765b171d6105887e33b0534d35a.exe	23
PID 2744 wrote to memory of 3012	2744	19d61765b171d6105887e33b0534d35a.exe	23
PID 2744 wrote to memory of 3012	2744	19d61765b171d6105887e33b0534d35a.exe	23
PID 2744 wrote to memory of 2636	2744	19d61765b171d6105887e33b0534d35a.exe	33
PID 2744 wrote to memory of 2636	2744	19d61765b171d6105887e33b0534d35a.exe	33
PID 2744 wrote to memory of 2636	2744	19d61765b171d6105887e33b0534d35a.exe	33
PID 2744 wrote to memory of 2636	2744	19d61765b171d6105887e33b0534d35a.exe	33
PID 2636 wrote to memory of 2588	2636	cmd.exe	32
PID 2636 wrote to memory of 2588	2636	cmd.exe	32
PID 2636 wrote to memory of 2588	2636	cmd.exe	32
PID 2636 wrote to memory of 2588	2636	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\19d61765b171d6105887e33b0534d35a.exe
"C:\Users\Admin\AppData\Local\Temp\19d61765b171d6105887e33b0534d35a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\19d61765b171d6105887e33b0534d35a.exe
  C:\Users\Admin\AppData\Local\Temp\19d61765b171d6105887e33b0534d35a.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\19d61765b171d6105887e33b0534d35a.exe" /TN uhTCmbCqd877 /F
    3⤵
    - Creates scheduled task(s)
    PID:3012
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN uhTCmbCqd877 > C:\Users\Admin\AppData\Local\Temp\8rdknwZjl.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2636

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN uhTCmbCqd877
1⤵
PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/2448-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2448-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2448-3-0x0000000022D90000-0x0000000022E0E000-memory.dmp

Filesize
504KB

Download
memory/2448-16-0x0000000022F20000-0x000000002317C000-memory.dmp

Filesize
2.4MB

Download
memory/2448-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2744-19-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2744-31-0x00000000002C0000-0x000000000032B000-memory.dmp

Filesize
428KB

Download
memory/2744-26-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2744-21-0x00000000001A0000-0x000000000021E000-memory.dmp

Filesize
504KB

Download
memory/2744-54-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads