99a31bf28a084174c24db2c94f331afc88b8920ea9a803d06a89a723edae563e

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 17:36

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General

Target

3aa677e6cd48cf04b72c028876feb7fc.exe
Size

29KB
MD5

3aa677e6cd48cf04b72c028876feb7fc
SHA1

f1f449f93edf341152656cf8bda900fed531afd9
SHA256

99a31bf28a084174c24db2c94f331afc88b8920ea9a803d06a89a723edae563e
SHA512

7b089abc82529427c68219416e8dd0eaa55ccf86be287dc45bf5e75202a24d3e17aee60fcbd01f1287c712be5a4148d9bf802939de518ef544c4a2ba251f9fad
SSDEEP

768:DrbBqnFaaYsMldzvCOVtdNrEhzACORUc7:/bBqnFjMldLxLdehznaD7

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1644-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1548-2-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1644-1-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\D4giMmq0.exe	3aa677e6cd48cf04b72c028876feb7fc.exe
File opened for modification	C:\Windows\SysWOW64\D4giMmq0.exe	3aa677e6cd48cf04b72c028876feb7fc.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1548	WerFault.exe	28

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1548	1644	3aa677e6cd48cf04b72c028876feb7fc.exe	28
PID 1644 wrote to memory of 1548	1644	3aa677e6cd48cf04b72c028876feb7fc.exe	28
PID 1644 wrote to memory of 1548	1644	3aa677e6cd48cf04b72c028876feb7fc.exe	28
PID 1644 wrote to memory of 1548	1644	3aa677e6cd48cf04b72c028876feb7fc.exe	28
PID 1548 wrote to memory of 2800	1548	3aa677e6cd48cf04b72c028876feb7fc.exe	29
PID 1548 wrote to memory of 2800	1548	3aa677e6cd48cf04b72c028876feb7fc.exe	29
PID 1548 wrote to memory of 2800	1548	3aa677e6cd48cf04b72c028876feb7fc.exe	29
PID 1548 wrote to memory of 2800	1548	3aa677e6cd48cf04b72c028876feb7fc.exe	29

C:\Users\Admin\AppData\Local\Temp\3aa677e6cd48cf04b72c028876feb7fc.exe
"C:\Users\Admin\AppData\Local\Temp\3aa677e6cd48cf04b72c028876feb7fc.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\3aa677e6cd48cf04b72c028876feb7fc.exe
  "C:\Users\Admin\AppData\Local\Temp\3aa677e6cd48cf04b72c028876feb7fc.exe" y±²³
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 240
    3⤵
    - Program crash
    PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1548-2-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1548-3-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1548-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1644-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1644-1-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download