b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c

Analysis

max time kernel
151s
max time network
156s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05-05-2023 19:07

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General

Target

b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe
Size

746KB
MD5

878507b7ab5bc35ed3146b7eebb9908e
SHA1

a64c76f90686d929befb336bf8586e6c1c359c35
SHA256

b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c
SHA512

d8b0a7c2cce1c1f39671c3012bb76bde50b6860d75d7bca59fdbcfb042b9bf29bb830cca65bddab789cb2e6fd2da63ca1a0c4a3135416df2e95b4df467407db7
SSDEEP

12288:wy902vGIocOpE8oqvSrVR+KdB5C+bX6ZVB+5RZvI9YbNx9LmHk9D5WHfgiyH3J9b:wyocO1BvVKdvC+eZe5RoivxEcAfgnZtz

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	16947756.exe

Executes dropped EXE 3 IoCs

pid	Process
1952	un913468.exe
2016	16947756.exe
868	rk439768.exe

Loads dropped DLL 8 IoCs

pid	Process
1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe
1952	un913468.exe
1952	un913468.exe
1952	un913468.exe
2016	16947756.exe
1952	un913468.exe
1952	un913468.exe
868	rk439768.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	16947756.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	16947756.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un913468.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	un913468.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2016	16947756.exe
2016	16947756.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	16947756.exe
Token: SeDebugPrivilege	868	rk439768.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1852 wrote to memory of 1952	1852	b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe	26
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 2016	1952	un913468.exe	27
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28
PID 1952 wrote to memory of 868	1952	un913468.exe	28

C:\Users\Admin\AppData\Local\Temp\b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe
"C:\Users\Admin\AppData\Local\Temp\b4eb6c5205f61088248ff6c7c0e93704567ef09116b0a9041206b4103e2c612c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2016
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe

Filesize
592KB

MD5
15d21502a7ceb5814578c2708289edd5

SHA1
26a08975d8beb010300a21fa841dc5a467e7f69d

SHA256
7a4c14615ff90de7b0e6e182fd744c5864ab77044830c22014b155f53ff36269

SHA512
bae31d0744eec9a2d974a966829cbba98f5c5a1f3ee6484748e6971800213da401359af411fbc4add2ec78ccdea337f763b5a7ec29f86ef32090b36bdb547265

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe

Filesize
592KB

MD5
15d21502a7ceb5814578c2708289edd5

SHA1
26a08975d8beb010300a21fa841dc5a467e7f69d

SHA256
7a4c14615ff90de7b0e6e182fd744c5864ab77044830c22014b155f53ff36269

SHA512
bae31d0744eec9a2d974a966829cbba98f5c5a1f3ee6484748e6971800213da401359af411fbc4add2ec78ccdea337f763b5a7ec29f86ef32090b36bdb547265

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe

Filesize
592KB

MD5
15d21502a7ceb5814578c2708289edd5

SHA1
26a08975d8beb010300a21fa841dc5a467e7f69d

SHA256
7a4c14615ff90de7b0e6e182fd744c5864ab77044830c22014b155f53ff36269

SHA512
bae31d0744eec9a2d974a966829cbba98f5c5a1f3ee6484748e6971800213da401359af411fbc4add2ec78ccdea337f763b5a7ec29f86ef32090b36bdb547265

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un913468.exe

Filesize
592KB

MD5
15d21502a7ceb5814578c2708289edd5

SHA1
26a08975d8beb010300a21fa841dc5a467e7f69d

SHA256
7a4c14615ff90de7b0e6e182fd744c5864ab77044830c22014b155f53ff36269

SHA512
bae31d0744eec9a2d974a966829cbba98f5c5a1f3ee6484748e6971800213da401359af411fbc4add2ec78ccdea337f763b5a7ec29f86ef32090b36bdb547265

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\16947756.exe

Filesize
378KB

MD5
5f4dce052e8a0d14281126f2fabbd6f5

SHA1
6d8f029168e1a7de1a4bbbcd9e0fa75cd7d9d935

SHA256
2bfd3cd181cc8cc84c911c1b572e3c224e88575f5ca87ed34c6531609780a626

SHA512
6c2fbfea4b0f191017c992134d037e163c705b3ebb4a1891395e18b699f4a03216bc9de7f87877e81acfdeb35976e88073d6357ced2b057cf00ff8a441177245

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk439768.exe

Filesize
460KB

MD5
54d1be7a49e7d38bf895e549af18baea

SHA1
ef7d63002b4891970ee9cfccd56b873ca46da63e

SHA256
83c1e0e8d24ac049536641448207c5f64d235f853d8721edac45b6b39e6ab5e2

SHA512
84302606cdcdd04a6e9c9688dbf56a279dc409d1e3ba46017d3671d9be937abbea1953b634fe56b29a760fc13e9a5c97dd6f3d641ec58fd672235f5d5fd1e1d4

Download Submit
memory/868-149-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-135-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-153-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-151-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-126-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-147-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-145-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-143-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-141-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-139-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-137-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-155-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-133-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-131-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-129-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-127-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-157-0x0000000002380000-0x00000000023B5000-memory.dmp

Filesize
212KB

Download
memory/868-311-0x00000000002A0000-0x00000000002E6000-memory.dmp

Filesize
280KB

Download
memory/868-313-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/868-920-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/868-922-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/868-924-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download
memory/868-124-0x0000000002330000-0x000000000236C000-memory.dmp

Filesize
240KB

Download
memory/868-125-0x0000000002380000-0x00000000023BA000-memory.dmp

Filesize
232KB

Download
memory/2016-83-0x0000000000400000-0x0000000000804000-memory.dmp

Filesize
4.0MB

Download
memory/2016-113-0x0000000000400000-0x0000000000804000-memory.dmp

Filesize
4.0MB

Download
memory/2016-109-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-111-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-105-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-107-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-101-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-103-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-97-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-99-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-93-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-95-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-91-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-89-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-87-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-85-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-84-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/2016-82-0x0000000000940000-0x0000000000958000-memory.dmp

Filesize
96KB

Download
memory/2016-81-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download
memory/2016-80-0x00000000008E0000-0x00000000008FA000-memory.dmp

Filesize
104KB

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memory/2016-79-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

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memory/2016-78-0x0000000000240000-0x000000000026D000-memory.dmp

Filesize
180KB

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