60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22ca

General

Target

60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe
Size

233KB
MD5

ba80677a2c79d42b65004d1a0b881ef0
SHA1

58276b234263d72ea688f044baea5268da27f7ca
SHA256

60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22ca
SHA512

8581ecddd1f0482b6c98040c86cb1b2267f7b69110e056980f1858ddf239a3569728296a346ceff5217a5700b25197d3f0bb3049ff15ad852c8f9c683f1f8554
SSDEEP

6144:ZCttTu7ZQoEI/EcmwFPa7qSLtpcNE+89wn4y8k:QttTUYI/Nha7qSL/EE+94y

Score

7^/10

bootkit discovery persistence spyware stealer

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4900	aamtwxp.exe

Executes dropped EXE 2 IoCs

pid	Process
4900	aamtwxp.exe
2036	abfxw.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	abfxw.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\it = "c:\\Program Files\\btfxkqs\\abfxw.exe \"c:\\Program Files\\btfxkqs\\abfxw.dll\",Interface"	abfxw.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

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

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	abfxw.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\btfxkqs	aamtwxp.exe
File created	\??\c:\Program Files\btfxkqs\abfxw.dll	aamtwxp.exe
File created	\??\c:\Program Files\btfxkqs\abfxw.exe	aamtwxp.exe
File opened for modification	\??\c:\Program Files\btfxkqs\abfxw.exe	aamtwxp.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aamtwxp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	abfxw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
688	cmd.exe
4944	PING.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

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4944	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2036	abfxw.exe
2036	abfxw.exe
2036	abfxw.exe
2036	abfxw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	abfxw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3112	60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe
4900	aamtwxp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 688	3112	60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe	84
PID 3112 wrote to memory of 688	3112	60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe	84
PID 3112 wrote to memory of 688	3112	60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe	84
PID 688 wrote to memory of 4944	688	cmd.exe	87
PID 688 wrote to memory of 4944	688	cmd.exe	87
PID 688 wrote to memory of 4944	688	cmd.exe	87
PID 688 wrote to memory of 4900	688	cmd.exe	89
PID 688 wrote to memory of 4900	688	cmd.exe	89
PID 688 wrote to memory of 4900	688	cmd.exe	89
PID 4900 wrote to memory of 2036	4900	aamtwxp.exe	90
PID 4900 wrote to memory of 2036	4900	aamtwxp.exe	90
PID 4900 wrote to memory of 2036	4900	aamtwxp.exe	90

C:\Users\Admin\AppData\Local\Temp\60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe
"C:\Users\Admin\AppData\Local\Temp\60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\aamtwxp.exe "C:\Users\Admin\AppData\Local\Temp\60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4944
- - C:\Users\Admin\AppData\Local\Temp\aamtwxp.exe
    C:\Users\Admin\AppData\Local\Temp\\aamtwxp.exe "C:\Users\Admin\AppData\Local\Temp\60b8ccfafebf9370aafd305184cf54e8ad83533d994ccb978cdea5bd0ffc22caN.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4900
  - - \??\c:\Program Files\btfxkqs\abfxw.exe
      "c:\Program Files\btfxkqs\abfxw.exe" "c:\Program Files\btfxkqs\abfxw.dll",Interface C:\Users\Admin\AppData\Local\Temp\aamtwxp.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2036

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\btfxkqs\abfxw.dll

Filesize
168KB

MD5
df782f5f508cd2608b833119788a378b

SHA1
6ae0c9f194458caf2d62551e32f7274cbef071ca

SHA256
80b3a089e070eb86ab73143977147fcfad889b809d2b44f83df6f17d6078ea6f

SHA512
8b6311555b0ff7b3c58c2018188ec2514105fd5731d28ea29643255e2151283ecb59f44872e6e852ec0cef01616e6c616f23cb999463a80a11ab12e4b7e4a816

Download Submit
C:\Program Files\btfxkqs\abfxw.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

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

Filesize
234KB

MD5
0b57bc61ab00c74437b3c83f9eda6d99

SHA1
17ffa1f817fc2bdba300792b5fd5a16940c1694c

SHA256
ba3703aef0457ad01dfee19744e9418eaeaef7f3e4ed77618b4080a5c15fa511

SHA512
6e6061b4256d4caf39adaab2ad01af83dc257805dd3df15578af43337bce00d557e7d9f37b2d8a111458671572ab3a2512e19ba990106609c3e9115f3f8dd9bd

Download Submit
memory/2036-20-0x0000000010000000-0x000000001006D000-memory.dmp

Filesize
436KB

Download
memory/2036-24-0x0000000010000000-0x000000001006D000-memory.dmp

Filesize
436KB

Download
memory/2036-21-0x0000000010000000-0x000000001006D000-memory.dmp

Filesize
436KB

Download
memory/3112-2-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/3112-1-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/3112-5-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/3112-0-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/4900-10-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/4900-18-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download
memory/4900-9-0x0000000000400000-0x000000000045A02E-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads