a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1

General

Target

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
Size

155KB
MD5

71cf1076a590403c857ceff745149df5
SHA1

c595f8ab4633d407082080f5d27e8410adad682f
SHA256

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1
SHA512

5ada1bde47fc9ef6103122f690ea0ad5ccb069edc4a7b74b6d83c3c3159f59307ff7396b305b87a840bae121f9c6e50b64494b5d34340f6ca58000e8ff7c2cc2
SSDEEP

3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Program Files\blean\aeejr.dll	acprotect

Deletes itself 1 IoCs

Processes:

andrz.exe

pid process

2612 andrz.exe
Executes dropped EXE 2 IoCs

Processes:

andrz.exeaee.exe

pid process

2612 andrz.exe
4248 aee.exe
Loads dropped DLL 1 IoCs

Processes:

aee.exe

pid process

4248 aee.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2612	andrz.exe

pid	process
2612	andrz.exe
4248	aee.exe

pid	process
4248	aee.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

aee.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\blean\\aee.exe \"c:\\Program Files\\blean\\aeejr.dll\",SetHandle"	aee.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

aee.exe

description	ioc	process
File opened (read-only)	\??\v:	aee.exe
File opened (read-only)	\??\x:	aee.exe
File opened (read-only)	\??\u:	aee.exe
File opened (read-only)	\??\r:	aee.exe
File opened (read-only)	\??\t:	aee.exe
File opened (read-only)	\??\g:	aee.exe
File opened (read-only)	\??\h:	aee.exe
File opened (read-only)	\??\k:	aee.exe
File opened (read-only)	\??\q:	aee.exe
File opened (read-only)	\??\a:	aee.exe
File opened (read-only)	\??\e:	aee.exe
File opened (read-only)	\??\j:	aee.exe
File opened (read-only)	\??\l:	aee.exe
File opened (read-only)	\??\m:	aee.exe
File opened (read-only)	\??\n:	aee.exe
File opened (read-only)	\??\o:	aee.exe
File opened (read-only)	\??\p:	aee.exe
File opened (read-only)	\??\b:	aee.exe
File opened (read-only)	\??\i:	aee.exe
File opened (read-only)	\??\y:	aee.exe
File opened (read-only)	\??\z:	aee.exe
File opened (read-only)	\??\s:	aee.exe
File opened (read-only)	\??\w:	aee.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

aee.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 aee.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	aee.exe

Drops file in Program Files directory 4 IoCs

Processes:

andrz.exe

description	ioc	process
File opened for modification	\??\c:\Program Files\blean	andrz.exe
File created	\??\c:\Program Files\blean\aeejr.dll	andrz.exe
File created	\??\c:\Program Files\blean\aee.exe	andrz.exe
File opened for modification	\??\c:\Program Files\blean\aee.exe	andrz.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

aee.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	aee.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	aee.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

432 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

aee.exe

pid process

4248 aee.exe
4248 aee.exe
4248 aee.exe
4248 aee.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aee.exe

description pid process

Token: SeDebugPrivilege 4248 aee.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exeandrz.exe

pid process

4884 a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
2612 andrz.exe

pid	process
432	PING.EXE

pid	process
4248	aee.exe
4248	aee.exe
4248	aee.exe
4248	aee.exe

description	pid	process
Token: SeDebugPrivilege	4248	aee.exe

pid	process
4884	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
2612	andrz.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.execmd.exeandrz.exe

description	pid	process	target process
PID 4884 wrote to memory of 1400	4884	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 4884 wrote to memory of 1400	4884	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 4884 wrote to memory of 1400	4884	a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe	cmd.exe
PID 1400 wrote to memory of 432	1400	cmd.exe	PING.EXE
PID 1400 wrote to memory of 432	1400	cmd.exe	PING.EXE
PID 1400 wrote to memory of 432	1400	cmd.exe	PING.EXE
PID 1400 wrote to memory of 2612	1400	cmd.exe	andrz.exe
PID 1400 wrote to memory of 2612	1400	cmd.exe	andrz.exe
PID 1400 wrote to memory of 2612	1400	cmd.exe	andrz.exe
PID 2612 wrote to memory of 4248	2612	andrz.exe	aee.exe
PID 2612 wrote to memory of 4248	2612	andrz.exe	aee.exe
PID 2612 wrote to memory of 4248	2612	andrz.exe	aee.exe

C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe
"C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\andrz.exe "C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:432
- - C:\Users\Admin\AppData\Local\Temp\andrz.exe
    C:\Users\Admin\AppData\Local\Temp\\andrz.exe "C:\Users\Admin\AppData\Local\Temp\a497ae91294b32d302bd488634d14d9e17c658fc764a92a7447db311ef0c12e1.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - \??\c:\Program Files\blean\aee.exe
      "c:\Program Files\blean\aee.exe" "c:\Program Files\blean\aeejr.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\andrz.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\blean\aee.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Program Files\blean\aeejr.dll

Filesize
128KB

MD5
63475e0c89728063045ac79dd841e77a

SHA1
ebe7acfe9fd0b64e0f3128f0454d7a0e8797384e

SHA256
bf2a5edc1bf7c9a51562f8065de64929b591d9478c1033947f61c0eee1edde28

SHA512
1778c81fe30c1d309f152c07abaab2dcdf8bf952951bb48f09de036410e999a2d534d35de0a3a366b87a801d8c46ab0f3534b439f83ee33757c66833faf2095a

Download Submit
C:\Users\Admin\AppData\Local\Temp\andrz.exe

Filesize
155KB

MD5
6bc4c16bc98e4733b5451ef15bc70ddb

SHA1
7f2657d7dbdec87241b7086696ce4a4250c74cf5

SHA256
7b7cb28f4fc30142474fd67231a259333f675a1ea703bb9e976fd4cc6a9d3ff1

SHA512
060bd346f9159db071a0905a0205926e0482ac5e203ae7daa3672307639be3e00ed010a08b3f375fce857d55628a94288515e085efe353847ef6ee8a65d1a7a6

Download Submit
memory/2612-12-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/4248-16-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4248-17-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4248-19-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4248-21-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4884-0-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download
memory/4884-3-0x0000000000400000-0x000000000042F036-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads