f9070e98ca18fe2ff7b5934e9c90f627ea6e653506496473fb9ee688d43ce8ef

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 10:12

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General

Target

$1/$OUTDIR/sftp_plugin/tc_sftp_uninstaller.exe
Size

59KB
MD5

5587b9b65235807f61d2cea67a726098
SHA1

5a0e8ee64b946ae91d8d9e5f17b6e14c9a45dff3
SHA256

13257c64f9d820ecd8ae2a3aa198a5f93a7a93773c9153e2dfabf678586c0d08
SHA512

fc60c7dba11cb54e76d31f5dc8f7c103c5049c3ca6018a75b7e4394078aa787693a7577202ac872a001f8f4cd77c82fc262489f31f73b1752315f40ef49fea04
SSDEEP

768:j9qjtOoh/pZbvc+HX+fFXSJA/mIj6qkzry8F9zGPVzISJRnHzioSe4bU/iXAB8+I:j0joUxZbE+HOI66qkryz9zIMipGqW2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2572	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1528	tc_sftp_uninstaller.exe

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

System Information Discovery
T1082

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	tc_sftp_uninstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 2572	1528	tc_sftp_uninstaller.exe	30
PID 1528 wrote to memory of 2572	1528	tc_sftp_uninstaller.exe	30
PID 1528 wrote to memory of 2572	1528	tc_sftp_uninstaller.exe	30
PID 1528 wrote to memory of 2572	1528	tc_sftp_uninstaller.exe	30

C:\Users\Admin\AppData\Local\Temp\$1\$OUTDIR\sftp_plugin\tc_sftp_uninstaller.exe
"C:\Users\Admin\AppData\Local\Temp\$1\$OUTDIR\sftp_plugin\tc_sftp_uninstaller.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$1\$OUTDIR\sftp_plugin\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
59KB

MD5
5587b9b65235807f61d2cea67a726098

SHA1
5a0e8ee64b946ae91d8d9e5f17b6e14c9a45dff3

SHA256
13257c64f9d820ecd8ae2a3aa198a5f93a7a93773c9153e2dfabf678586c0d08

SHA512
fc60c7dba11cb54e76d31f5dc8f7c103c5049c3ca6018a75b7e4394078aa787693a7577202ac872a001f8f4cd77c82fc262489f31f73b1752315f40ef49fea04

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