cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8 | Triage

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05/05/2023, 19:40 UTC

Sharing

Report Analysis Logs

General

Target

cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe
Size

701KB
MD5

e76f6bf34e41c01ab28e7c9da86d0a0a
SHA1

70c0594b7abb241cacb2d7abe75725a6957f06ba
SHA256

cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8
SHA512

31fa1068a7b1ba84f7a7bdd7d38fddc38a893209e775c95e6325ab5be8c7993c2c29568fd569e78d0e68a66dfb1031317e91ae95f4058fd09f648ab728aebe53
SSDEEP

12288:Ay90eWTbXxZXbZnUSLUPkEWDOMqpTfR3+GhKzVpARuB6q2E3BLimrny8V:AyxgXxZX1n/LDEWDOfJIpARuB6Y

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

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

Modify Registry

Modify Existing Service

Disabling Security Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	91905041.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	91905041.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	91905041.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	91905041.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	91905041.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	91905041.exe

Executes dropped EXE 3 IoCs

pid	Process
956	un038927.exe
540	91905041.exe
1004	rk315025.exe

Loads dropped DLL 8 IoCs

pid	Process
1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe
956	un038927.exe
956	un038927.exe
956	un038927.exe
540	91905041.exe
956	un038927.exe
956	un038927.exe
1004	rk315025.exe

Windows security modification 2 TTPs 2 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	91905041.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	91905041.exe

Adds Run key to start application 2 TTPs 4 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un038927.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\\\""	un038927.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.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\\\""	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	91905041.exe
540	91905041.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	91905041.exe
Token: SeDebugPrivilege	1004	rk315025.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 1460 wrote to memory of 956	1460	cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe	27
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 540	956	un038927.exe	28
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29
PID 956 wrote to memory of 1004	956	un038927.exe	29

C:\Users\Admin\AppData\Local\Temp\cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe
"C:\Users\Admin\AppData\Local\Temp\cd76a2f90473dae4a54925032783ba222535ae7c981a2672989cf3964cbc29c8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un038927.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un038927.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.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:540
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:1004

Network

No results found

185.161.248.143:38452

rk315025.exe

152 B
3
185.161.248.143:38452

rk315025.exe

152 B
3
185.161.248.143:38452

rk315025.exe

152 B
3
185.161.248.143:38452

rk315025.exe

152 B
3
185.161.248.143:38452

rk315025.exe

152 B
3
185.161.248.143:38452

rk315025.exe

152 B
3

No results found

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

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\un038927.exe

Filesize
547KB

MD5
d1c141d7d363fd009940fd6b3cce6d64

SHA1
b20606df5cb4d9ddf955eba229f3ae54342e19ab

SHA256
49484fe66a47dde6ef4041bd087e96b4f0a1617014fac9d50734d52f05a69ba7

SHA512
bc87705991f101625324b9fa1a85491d526aa2cb97b0eed658cc5328b275e4f2b22b416bd820e7aef718baee8cae7a7f097e4f24c284f211e31e39690d24b3a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un038927.exe

Filesize
547KB

MD5
d1c141d7d363fd009940fd6b3cce6d64

SHA1
b20606df5cb4d9ddf955eba229f3ae54342e19ab

SHA256
49484fe66a47dde6ef4041bd087e96b4f0a1617014fac9d50734d52f05a69ba7

SHA512
bc87705991f101625324b9fa1a85491d526aa2cb97b0eed658cc5328b275e4f2b22b416bd820e7aef718baee8cae7a7f097e4f24c284f211e31e39690d24b3a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un038927.exe

Filesize
547KB

MD5
d1c141d7d363fd009940fd6b3cce6d64

SHA1
b20606df5cb4d9ddf955eba229f3ae54342e19ab

SHA256
49484fe66a47dde6ef4041bd087e96b4f0a1617014fac9d50734d52f05a69ba7

SHA512
bc87705991f101625324b9fa1a85491d526aa2cb97b0eed658cc5328b275e4f2b22b416bd820e7aef718baee8cae7a7f097e4f24c284f211e31e39690d24b3a0

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un038927.exe

Filesize
547KB

MD5
d1c141d7d363fd009940fd6b3cce6d64

SHA1
b20606df5cb4d9ddf955eba229f3ae54342e19ab

SHA256
49484fe66a47dde6ef4041bd087e96b4f0a1617014fac9d50734d52f05a69ba7

SHA512
bc87705991f101625324b9fa1a85491d526aa2cb97b0eed658cc5328b275e4f2b22b416bd820e7aef718baee8cae7a7f097e4f24c284f211e31e39690d24b3a0

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\91905041.exe

Filesize
269KB

MD5
12c7bcdf1a87bc1c994793f4ab83895e

SHA1
0d9d01d056d232e4f903fcc8e4ccc687a5ada59d

SHA256
b5ec2d3fb48c7fed056509f9cd37f3334d4d0574231d28333edf3c71687e9aa3

SHA512
9515f7270681ffe21fd465c505d0d05de594292a43d35f4e4dba91961da2f5d911ea29cdf31846858e460b2070e1a56871e88712cab5e71bcb5e4520b7016dcd

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk315025.exe

Filesize
353KB

MD5
522c4ca06d3787fbb376fe56bc2b5931

SHA1
3fc1428257f6ec47716fe0ae22054f135aaa4d5f

SHA256
5c8b5b6abac933b35292d512ade991c92e01608025087a10fd2110f9153ebb25

SHA512
713ee4e6f291155b2b02f11131a6778e99dcbd11aa2603d9f333f4bdb07dec0d0396f510d92d29dcc59eaef6b005282f14936838485f532192c57f0722949d7d

Download Submit
memory/540-110-0x0000000000400000-0x0000000002B9E000-memory.dmp

Filesize
39.6MB

Download
memory/540-91-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-89-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-93-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-97-0x00000000070D0000-0x0000000007110000-memory.dmp

Filesize
256KB

Download
memory/540-99-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-96-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-95-0x0000000000250000-0x000000000027D000-memory.dmp

Filesize
180KB

Download
memory/540-101-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-103-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-105-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-109-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-107-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-87-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-111-0x0000000000400000-0x0000000002B9E000-memory.dmp

Filesize
39.6MB

Download
memory/540-85-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-81-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-83-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-80-0x0000000003280000-0x0000000003292000-memory.dmp

Filesize
72KB

Download
memory/540-79-0x0000000003280000-0x0000000003298000-memory.dmp

Filesize
96KB

Download
memory/540-78-0x00000000003E0000-0x00000000003FA000-memory.dmp

Filesize
104KB

Download
memory/1004-124-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-145-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-122-0x0000000004640000-0x000000000467C000-memory.dmp

Filesize
240KB

Download
memory/1004-125-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-127-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-129-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-131-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-133-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-135-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-137-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-141-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-139-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-143-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-123-0x00000000047F0000-0x000000000482A000-memory.dmp

Filesize
232KB

Download
memory/1004-147-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-149-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-151-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-153-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-155-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-157-0x00000000047F0000-0x0000000004825000-memory.dmp

Filesize
212KB

Download
memory/1004-431-0x0000000002F10000-0x0000000002F56000-memory.dmp

Filesize
280KB

Download
memory/1004-435-0x0000000007210000-0x0000000007250000-memory.dmp

Filesize
256KB

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memory/1004-433-0x0000000007210000-0x0000000007250000-memory.dmp

Filesize
256KB

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memory/1004-919-0x0000000007210000-0x0000000007250000-memory.dmp

Filesize
256KB

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memory/1004-921-0x0000000007210000-0x0000000007250000-memory.dmp

Filesize
256KB

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memory/1004-923-0x0000000007210000-0x0000000007250000-memory.dmp

Filesize
256KB

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