4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8

Analysis

max time kernel
145s
max time network
187s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/05/2023, 21:50

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General

Target

4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
Size

686KB
MD5

3c621601ec170837b121300ec549fdfa
SHA1

45335d9e83de2198e7841d2eac51f048e87d6b98
SHA256

4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8
SHA512

6d1e0ba7aceceea2ab58e8fa0e68d047c76f54dd9047b78edc3daaaf886336014f4d9e069a7336416a3b8dedfde77bee3986fa33293d0593b45c5df5983d7032
SSDEEP

12288:Ay908z1WEkGc3gWaySF7yCSAx5EJOGuYX8159v2O6HPAo:AyZAEMQRxhSEGuo8L98HPAo

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	05530109.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	05530109.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	05530109.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	05530109.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	05530109.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	05530109.exe

Executes dropped EXE 3 IoCs

pid	Process
932	un526409.exe
1952	05530109.exe
1328	rk329590.exe

Loads dropped DLL 8 IoCs

pid	Process
1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
932	un526409.exe
932	un526409.exe
932	un526409.exe
1952	05530109.exe
932	un526409.exe
932	un526409.exe
1328	rk329590.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	05530109.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	05530109.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	un526409.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\\\""	un526409.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.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\\\""	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1952	05530109.exe
1952	05530109.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	05530109.exe
Token: SeDebugPrivilege	1328	rk329590.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 1984 wrote to memory of 932	1984	4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe	27
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1952	932	un526409.exe	28
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29
PID 932 wrote to memory of 1328	932	un526409.exe	29

C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
"C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:932
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.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:1952
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:1328

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\un526409.exe

Filesize
532KB

MD5
15eb9137c9576bbb79715b696544cf10

SHA1
7f44d4a2187fbc294554acc95c223d83cc7e22fd

SHA256
943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

SHA512
882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe

Filesize
532KB

MD5
15eb9137c9576bbb79715b696544cf10

SHA1
7f44d4a2187fbc294554acc95c223d83cc7e22fd

SHA256
943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

SHA512
882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe

Filesize
532KB

MD5
15eb9137c9576bbb79715b696544cf10

SHA1
7f44d4a2187fbc294554acc95c223d83cc7e22fd

SHA256
943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

SHA512
882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe

Filesize
532KB

MD5
15eb9137c9576bbb79715b696544cf10

SHA1
7f44d4a2187fbc294554acc95c223d83cc7e22fd

SHA256
943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0

SHA512
882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe

Filesize
249KB

MD5
967294b8bf41a79cf7b5fcca0bf4f78d

SHA1
b82418500993ff888c355a625c1b4302adce317d

SHA256
c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0

SHA512
ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe

Filesize
332KB

MD5
cf03b24cbdc27f345241f556c6c929fc

SHA1
22dfb8131813135a0448a8d878114003071a66e6

SHA256
35d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a

SHA512
b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513

Download Submit
memory/1328-148-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-129-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-152-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-150-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-128-0x00000000072A0000-0x00000000072E0000-memory.dmp

Filesize
256KB

Download
memory/1328-146-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-144-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-142-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-140-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-138-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-136-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-134-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-132-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-154-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-130-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-156-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-158-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-160-0x0000000004790000-0x00000000047C5000-memory.dmp

Filesize
212KB

Download
memory/1328-921-0x00000000072A0000-0x00000000072E0000-memory.dmp

Filesize
256KB

Download
memory/1328-924-0x00000000072A0000-0x00000000072E0000-memory.dmp

Filesize
256KB

Download
memory/1328-925-0x00000000072A0000-0x00000000072E0000-memory.dmp

Filesize
256KB

Download
memory/1328-124-0x0000000004750000-0x000000000478C000-memory.dmp

Filesize
240KB

Download
memory/1328-125-0x0000000004790000-0x00000000047CA000-memory.dmp

Filesize
232KB

Download
memory/1328-126-0x0000000000290000-0x00000000002D6000-memory.dmp

Filesize
280KB

Download
memory/1328-127-0x00000000072A0000-0x00000000072E0000-memory.dmp

Filesize
256KB

Download
memory/1952-85-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-113-0x0000000000400000-0x0000000002B9A000-memory.dmp

Filesize
39.6MB

Download
memory/1952-110-0x0000000000400000-0x0000000002B9A000-memory.dmp

Filesize
39.6MB

Download
memory/1952-108-0x00000000001D0000-0x00000000001FD000-memory.dmp

Filesize
180KB

Download
memory/1952-109-0x00000000072D0000-0x0000000007310000-memory.dmp

Filesize
256KB

Download
memory/1952-107-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-105-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-103-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-101-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-99-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-97-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-95-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-93-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-91-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-89-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-87-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-83-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-81-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

Download
memory/1952-80-0x0000000003190000-0x00000000031A3000-memory.dmp

Filesize
76KB

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memory/1952-79-0x0000000003190000-0x00000000031A8000-memory.dmp

Filesize
96KB

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memory/1952-78-0x0000000002FB0000-0x0000000002FCA000-memory.dmp

Filesize
104KB

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