2e79a1944328468eeed0bbf560ec3dec59012afc623f33d56fa3a71b82806a2f

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 06:22

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General

Target

Rwlleacvff.exe
Size

1.1MB
MD5

d4b61b8225bba66d44e311d686014ecf
SHA1

4df6fc35a76fa2bb71ad182a77881e8868b1d00b
SHA256

ec52c66f567af3f66c74f28a63cd2c315646a34095efc933de90151ed7df9684
SHA512

79f9c98d0c1e20290e274d6702bc3d4c617102097562b26a0d4f6101463ff501b7218d188ba45ada9cd5c776070084510ef17f7e72185f31f66155690f3b9d78
SSDEEP

24576:6Uu7IVSXJ7gIYeEPdoh8/D39jFSNq0/7xMjp8xs+XpVHPpm4m8dL:6sNeEhVCq67LsOpVvpmY1

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.vbs	Rwlleacvff.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
5032	1936	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 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	Rwlleacvff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4892	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4940	powershell.exe
1936	Rwlleacvff.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	Rwlleacvff.exe
Token: SeDebugPrivilege	4940	powershell.exe
Token: SeDebugPrivilege	1936	Rwlleacvff.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 4856	1936	Rwlleacvff.exe	31
PID 1936 wrote to memory of 4856	1936	Rwlleacvff.exe	31
PID 1936 wrote to memory of 4856	1936	Rwlleacvff.exe	31
PID 1936 wrote to memory of 4856	1936	Rwlleacvff.exe	31
PID 4856 wrote to memory of 4892	4856	cmd.exe	33
PID 4856 wrote to memory of 4892	4856	cmd.exe	33
PID 4856 wrote to memory of 4892	4856	cmd.exe	33
PID 4856 wrote to memory of 4892	4856	cmd.exe	33
PID 1936 wrote to memory of 4940	1936	Rwlleacvff.exe	34
PID 1936 wrote to memory of 4940	1936	Rwlleacvff.exe	34
PID 1936 wrote to memory of 4940	1936	Rwlleacvff.exe	34
PID 1936 wrote to memory of 4940	1936	Rwlleacvff.exe	34
PID 1936 wrote to memory of 5032	1936	Rwlleacvff.exe	36
PID 1936 wrote to memory of 5032	1936	Rwlleacvff.exe	36
PID 1936 wrote to memory of 5032	1936	Rwlleacvff.exe	36
PID 1936 wrote to memory of 5032	1936	Rwlleacvff.exe	36

C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe
"C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ipconfig /release
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /release
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:4892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 652
  2⤵
  - Program crash
  PID:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

memory/1936-0-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/1936-1-0x00000000008F0000-0x0000000000A06000-memory.dmp

Filesize
1.1MB

Download
memory/1936-2-0x0000000004B50000-0x0000000004C64000-memory.dmp

Filesize
1.1MB

Download
memory/1936-3-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-4-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-10-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-8-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-6-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-18-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-32-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-54-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-66-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-64-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-62-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-60-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-58-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-56-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-52-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-50-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-48-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-46-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-44-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-42-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-40-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-38-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-36-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-34-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-30-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-28-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-26-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-24-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-22-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-20-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-16-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-14-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-12-0x0000000004B50000-0x0000000004C5E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-1339-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1341-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1340-0x0000000004310000-0x000000000437C000-memory.dmp

Filesize
432KB

Download
memory/1936-1342-0x0000000004990000-0x00000000049FA000-memory.dmp

Filesize
424KB

Download
memory/1936-1343-0x0000000004830000-0x000000000487C000-memory.dmp

Filesize
304KB

Download
memory/1936-1344-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

Filesize
4KB

Download
memory/1936-1345-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1346-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download
memory/1936-1349-0x0000000004A00000-0x0000000004A54000-memory.dmp

Filesize
336KB

Download
memory/1936-1352-0x0000000073E90000-0x000000007457E000-memory.dmp

Filesize
6.9MB

Download