94b7f07df669677fd7d22e69f127584f148672999ce250fe3c65175a2c13c4a2

General

Target
MineBlazeChecker.exe
Size 870KB
Sample260730-bjsnnaztdy
SHA256 94b7f07df669677fd7d22e69f127584f148672999ce250fe3c65175a2c13c4a2
MD5 f4a8e767bda6644d3583c92fc35d339f
SHA1 e6ff2b03c8ad89095a074391799d8db14929fa52
SHA512 14f5a3963c65454f50588d46564ed3832328ef2bc1aa3a45619307fbcc74c3d1f70d756d9c2aaf4d62222832222d914e622bbb2d892ef5462f9d6b59da0a948a
SSDEEP 24576:DffY5AcPwk1so4QRERf0MbZQUZ9QLGoMb8DgB:427tMMlDOxMTB
TLSH
T1E2151201D1DA97FAC7B752BA0479832096E9240C4C77BFF37E988DBC1E9125E2C62B51
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwdSystem32\\Defender.exe"	w54wmnlm7el9r1tf.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 7 IoCs

pid	Process
2856	TheBinding.exe
5684	Checker.exe
5924	w54wmnlm7el9r1tf.exe
1812	Defender.exe
3616	MalwareDef.exe
3100	Defender.exe
4508	Defender.exe

Loads dropped DLL 6 IoCs

pid	Process
1812	Defender.exe
3264	Process not Found
3616	MalwareDef.exe
3100	Defender.exe
2256	Process not Found
4508	Defender.exe

Looks up external IP address via web service 1 TTPs 7 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	icanhazip.com
1	ipinfo.io
2	api.ipify.org
3	api.ipify.org
9	icanhazip.com
31	ipinfo.io
1	api.ipify.org

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\xdwdSystem32\Defender.exe	w54wmnlm7el9r1tf.exe
File opened for modification	C:\Windows\xdwd.dll	w54wmnlm7el9r1tf.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	MalwareDef.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	w54wmnlm7el9r1tf.exe
File created	C:\Windows\Web\MalwareDef.exe	w54wmnlm7el9r1tf.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	w54wmnlm7el9r1tf.exe
File created	C:\Windows\xdwd.dll	w54wmnlm7el9r1tf.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	Defender.exe
File opened for modification	C:\Windows\xdwdSystem32\Defender.exe	MalwareDef.exe
File opened for modification	C:\Windows\Web\MalwareDef.exe	Defender.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4016	cmd.exe
2112	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	w54wmnlm7el9r1tf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5416	schtasks.exe
3272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3616	MalwareDef.exe
3616	MalwareDef.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5924	w54wmnlm7el9r1tf.exe
Token: SeDebugPrivilege	1812	Defender.exe
Token: SeDebugPrivilege	3616	MalwareDef.exe
Token: SeDebugPrivilege	3100	Defender.exe
Token: SeIncBasePriorityPrivilege	1812	Defender.exe
Token: SeDebugPrivilege	4508	Defender.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 2856	660	MineBlazeChecker.exe	81
PID 660 wrote to memory of 5684	660	MineBlazeChecker.exe	82
PID 660 wrote to memory of 5924	660	MineBlazeChecker.exe	83
PID 5924 wrote to memory of 5508	5924	w54wmnlm7el9r1tf.exe	86
PID 5924 wrote to memory of 4016	5924	w54wmnlm7el9r1tf.exe	87
PID 4016 wrote to memory of 5416	4016	cmd.exe	90
PID 5924 wrote to memory of 2112	5924	w54wmnlm7el9r1tf.exe	91
PID 2112 wrote to memory of 3272	2112	cmd.exe	93
PID 5924 wrote to memory of 3100	5924	w54wmnlm7el9r1tf.exe	98

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\MineBlazeChecker.exe
"C:\Users\Admin\AppData\Local\Temp\MineBlazeChecker.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:660
- C:\Users\Admin\AppData\Local\Temp\TheBinding.exe
  "C:\Users\Admin\AppData\Local\Temp\TheBinding.exe"
  2⤵
  - Executes dropped EXE
  PID:2856
- C:\Users\Admin\AppData\Local\Temp\Checker.exe
  "C:\Users\Admin\AppData\Local\Temp\Checker.exe"
  2⤵
  - Executes dropped EXE
  PID:5684
- C:\Users\Admin\AppData\Local\Temp\w54wmnlm7el9r1tf.exe
  "C:\Users\Admin\AppData\Local\Temp\w54wmnlm7el9r1tf.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5924
- - C:\Windows\SYSTEM32\CMD.exe
    "CMD" netsh advfirewall firewall add rule name="scl^MnNCMlfeM2" dir=in action=allow program="C:\Windows\xdwdSystem32\Defender.exe" enable=yes & exit
    3⤵
    PID:5508
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST & exit
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4016
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\xdwdSystem32\Defender.exe" /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5416
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST & exit
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:2112
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Windows\Web\MalwareDef.exe" /RL HIGHEST
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3272
- - C:\Windows\xdwdSystem32\Defender.exe
    "C:\Windows\xdwdSystem32\Defender.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    PID:3100

C:\Windows\xdwdSystem32\Defender.exe
C:\Windows\xdwdSystem32\Defender.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1812

C:\Windows\Web\MalwareDef.exe
C:\Windows\Web\MalwareDef.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3616

C:\Windows\xdwdSystem32\Defender.exe
C:\Windows\xdwdSystem32\Defender.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:4508

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Checker.exe

Path C:\Users\Admin\AppData\Local\Temp\Checker.exe
Size 693KB
SHA256 632149ea9c6b5f7fa5eddbae04e757a325408685e87fee826fa8b2c11d59db2b
MD5 2eeef66ee9a7f15868e03fae80838ec5
SHA1 92ce067704e97c0a9bec02c5400f10eee5c1aaa3
SHA512 549dee28fab7fe7f563823da7124450746cdc5981d21638cbe222a3fe82ebd84c737d0b805f6dbfb1aeed2e477ba44c6dba061ea76cba0b01a26a1065ef64331
SSDEEP 12288:7P13BG/MBZ5p2vGDsKLxdyXSLFVBC4Wfu4AlgU:zrrZZvKShcfI
TLSH
T1D6E4A5257B959E01E540163E92BE2608D732A0F22313AB47370AF7615D44BFEED6C3DA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

TheBinding.exe

Path C:\Users\Admin\AppData\Local\Temp\TheBinding.exe
Size 20KB
SHA256 676a65d135b8b8e8eee89165abbe390ad9b8f168cbe2d74ac7e00ededbab08bd
MD5 2df1e0db1a71b24032b87739c0e403c4
SHA1 f6fb4ab54c46969e760148bf8d3085e7616974e8
SHA512 a36571713e1cd5a6bfa890ab8aa09463bb875620c459ced17340346b88a5871f8faae2aa2db1f27b46f47fad312525efb468e72ed7f3f79e13e3940d9ab1b769
SSDEEP 384:OPlG/8/6NHpP/fBCuT0/PT6C/6lUCeO+7zNjgCevaNK:OPlG68HpPHBCn/PGNUCEZK
TLSH
T1E09209247ADC6A3BD9AD27F866E2A24543B278314533E7CE1DDB04DE5A97F004A017B3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

w54wmnlm7el9r1tf.exe

Path C:\Users\Admin\AppData\Local\Temp\w54wmnlm7el9r1tf.exe
Size 541KB
SHA256 acb1ea04d759894cf771f28d0a6ca42c3f7728940dcdd9f461d42af8b47d28a8
MD5 47b2f0e50aac258d6524123492e975f4
SHA1 59fa256c1e7099941e8e82ffe4840e7a35036edb
SHA512 0ca6cf105e51d658ccece84d639fe3a8ea2d84d946395aefbaf4320e1ac6f093854c45bb3b200a145e5ba72a6b0e8215a368a66db0453671e7598aabfeb317e5
SSDEEP 12288:sTAB+SNW3+CwKsD4U94Jukw11ItA5u6pp5KqJH6XuDyo9:ZU4D94JztA5uWpEc
TLSH
T1DBC44B143FA98A08E5902A3E455E5604DBAED1F226327303370AEF621D45DDEDE2D3DB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xdwd.dll

Path C:\Windows\xdwd.dll
Size 136KB
SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
MD5 16e5a492c9c6ae34c59683be9c51fa31
SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
TLSH
T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/660-35-0x00007FF76CC10000-0x00007FF76CC1B000-memory.dmp

Download

memory/2856-32-0x0000000000EE0000-0x0000000000EEC000-memory.dmp

Download

memory/5684-30-0x00000217D2640000-0x00000217D26EE000-memory.dmp

Download

memory/5924-36-0x00000189B7F50000-0x00000189B7FDE000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads