3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b

Analysis

max time kernel
61s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
26/04/2023, 04:21

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General

Target

3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe
Size

694KB
MD5

040ddd8c33a4afa9ef03b1c1d4de108f
SHA1

f29941c500671d0f102617a2c9abc988799be93f
SHA256

3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b
SHA512

cfcf5e00ecae62c211d764543c4eb919c7b7c9a0072c145ef5c9e0bc67c7a6df68c464ffcceedf69b4938cea91111f0ff38f28499e9f3c720c3490b988640e35
SSDEEP

12288:3y90yiNiD+B642b4ByMfZwZFTZTiKqB/nvdW86FV18b2KQA+5MOvrOi9onB:3yyNXBVJhIFJiKqV6FV18b2L4YrSB

Score

10^/10

discovery evasion persistence spyware stealer 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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	24144525.exe

Executes dropped EXE 4 IoCs

pid	Process
2112	un762035.exe
4644	24144525.exe
4008	rk035535.exe
2008	si784543.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

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	24144525.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	24144525.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\\\""	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un762035.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\\\""	un762035.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3492	4644	WerFault.exe	82
2524	4008	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4644	24144525.exe
4644	24144525.exe
4008	rk035535.exe
4008	rk035535.exe
2008	si784543.exe
2008	si784543.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4644	24144525.exe
Token: SeDebugPrivilege	4008	rk035535.exe
Token: SeDebugPrivilege	2008	si784543.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 2112	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	81
PID 868 wrote to memory of 2112	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	81
PID 868 wrote to memory of 2112	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	81
PID 2112 wrote to memory of 4644	2112	un762035.exe	82
PID 2112 wrote to memory of 4644	2112	un762035.exe	82
PID 2112 wrote to memory of 4644	2112	un762035.exe	82
PID 2112 wrote to memory of 4008	2112	un762035.exe	88
PID 2112 wrote to memory of 4008	2112	un762035.exe	88
PID 2112 wrote to memory of 4008	2112	un762035.exe	88
PID 868 wrote to memory of 2008	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	91
PID 868 wrote to memory of 2008	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	91
PID 868 wrote to memory of 2008	868	3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe	91

C:\Users\Admin\AppData\Local\Temp\3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe
"C:\Users\Admin\AppData\Local\Temp\3f58428c72bbf2893f96a86bccde83a9995e48bf28a139d884d7a30abad6e08b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un762035.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un762035.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\24144525.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\24144525.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4644
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 1080
      4⤵
      Program crash
      PID:3492
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk035535.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk035535.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4008
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 1324
      4⤵
      Program crash
      PID:2524
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si784543.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si784543.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4644 -ip 4644
1⤵
PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4008 -ip 4008
1⤵
PID:2908

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si784543.exe

Filesize
136KB

MD5
bddaadcc91f12566dce088dfba102c2a

SHA1
6a141a09619ea3f5bbe2d946df9a8c427beb89f2

SHA256
536a77d74988fc47e1d6b53be4701d289ecf4e3598b02adcd936b4f29017a4f4

SHA512
f4b12e80f23ddbfd3c9fa79a009cb04e372f1ef6b48ea947b8c0fb14dfd3240c497be28023c78005b8dfd36a4080d98a9750606edf0a1fdfe57f53ef494e5c91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si784543.exe

Filesize
136KB

MD5
bddaadcc91f12566dce088dfba102c2a

SHA1
6a141a09619ea3f5bbe2d946df9a8c427beb89f2

SHA256
536a77d74988fc47e1d6b53be4701d289ecf4e3598b02adcd936b4f29017a4f4

SHA512
f4b12e80f23ddbfd3c9fa79a009cb04e372f1ef6b48ea947b8c0fb14dfd3240c497be28023c78005b8dfd36a4080d98a9750606edf0a1fdfe57f53ef494e5c91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un762035.exe

Filesize
540KB

MD5
4f69d4211c42cfe388346138ecde3fa6

SHA1
5ecd0770c3f15576bf8055ebef90733cd50fe2ec

SHA256
b2e2e316af58bf8bcc504a98b3732336cb8a465c98be3b9529a8fa839ba2de36

SHA512
76d11675f7bfc9e650de292c20a80aac9ff7b267612cb77032e9973c78c4d18b81778f7aff0f1b4a59fe497025f5545daaa8fe9b3051284e9ce09078f84ce501

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un762035.exe

Filesize
540KB

MD5
4f69d4211c42cfe388346138ecde3fa6

SHA1
5ecd0770c3f15576bf8055ebef90733cd50fe2ec

SHA256
b2e2e316af58bf8bcc504a98b3732336cb8a465c98be3b9529a8fa839ba2de36

SHA512
76d11675f7bfc9e650de292c20a80aac9ff7b267612cb77032e9973c78c4d18b81778f7aff0f1b4a59fe497025f5545daaa8fe9b3051284e9ce09078f84ce501

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\24144525.exe

Filesize
258KB

MD5
3ed59d7db5ae7608d80cdf7c645707aa

SHA1
307e261f99a1b67e26f285d27c333c9ccb1219c8

SHA256
861bf23756c6cd0fc2050bd63314176d73af7487a06f9237b7a15f14d0363365

SHA512
b9092ee4dc47a979184766923b2394c8d770b9a7a963a011d039bd49c14f798a8e87ff79c55421e16c260571027c83059d76507492c4323743b060dd32e37392

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\24144525.exe

Filesize
258KB

MD5
3ed59d7db5ae7608d80cdf7c645707aa

SHA1
307e261f99a1b67e26f285d27c333c9ccb1219c8

SHA256
861bf23756c6cd0fc2050bd63314176d73af7487a06f9237b7a15f14d0363365

SHA512
b9092ee4dc47a979184766923b2394c8d770b9a7a963a011d039bd49c14f798a8e87ff79c55421e16c260571027c83059d76507492c4323743b060dd32e37392

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk035535.exe

Filesize
340KB

MD5
3b50511df8792718e908e32c9f4a31f0

SHA1
e28cf9653e17c8c7a43bee22d9bfe08e99dc48d7

SHA256
4ec48d3b98848e13836ff0478139c881b3196769b669ed7edbb4a5c8bbf7acda

SHA512
2274d965e4f00588e3260ddc8ab01f0b11564fcaef89d8d2528315f56d76d163e939e4a618f56b54d01b90a21f9baa08dd802fe78be78dc38e0ce88ff84a7f06

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk035535.exe

Filesize
340KB

MD5
3b50511df8792718e908e32c9f4a31f0

SHA1
e28cf9653e17c8c7a43bee22d9bfe08e99dc48d7

SHA256
4ec48d3b98848e13836ff0478139c881b3196769b669ed7edbb4a5c8bbf7acda

SHA512
2274d965e4f00588e3260ddc8ab01f0b11564fcaef89d8d2528315f56d76d163e939e4a618f56b54d01b90a21f9baa08dd802fe78be78dc38e0ce88ff84a7f06

Download Submit
memory/2008-1006-0x0000000007660000-0x0000000007670000-memory.dmp

Filesize
64KB

Download
memory/2008-1005-0x00000000008E0000-0x0000000000908000-memory.dmp

Filesize
160KB

Download
memory/4008-335-0x0000000007320000-0x0000000007330000-memory.dmp

Filesize
64KB

Download
memory/4008-987-0x0000000009C60000-0x000000000A278000-memory.dmp

Filesize
6.1MB

Download
memory/4008-998-0x000000000B4B0000-0x000000000B9DC000-memory.dmp

Filesize
5.2MB

Download
memory/4008-997-0x000000000B2D0000-0x000000000B492000-memory.dmp

Filesize
1.8MB

Download
memory/4008-996-0x000000000B040000-0x000000000B090000-memory.dmp

Filesize
320KB

Download
memory/4008-995-0x000000000AF80000-0x000000000AF9E000-memory.dmp

Filesize
120KB

Download
memory/4008-994-0x000000000AEC0000-0x000000000AF36000-memory.dmp

Filesize
472KB

Download
memory/4008-993-0x000000000AE10000-0x000000000AEA2000-memory.dmp

Filesize
584KB

Download
memory/4008-992-0x000000000A740000-0x000000000A7A6000-memory.dmp

Filesize
408KB

Download
memory/4008-991-0x0000000007320000-0x0000000007330000-memory.dmp

Filesize
64KB

Download
memory/4008-990-0x000000000A480000-0x000000000A4BC000-memory.dmp

Filesize
240KB

Download
memory/4008-989-0x000000000A320000-0x000000000A42A000-memory.dmp

Filesize
1.0MB

Download
memory/4008-988-0x000000000A300000-0x000000000A312000-memory.dmp

Filesize
72KB

Download
memory/4008-333-0x0000000007320000-0x0000000007330000-memory.dmp

Filesize
64KB

Download
memory/4008-329-0x0000000002BF0000-0x0000000002C36000-memory.dmp

Filesize
280KB

Download
memory/4008-331-0x0000000007320000-0x0000000007330000-memory.dmp

Filesize
64KB

Download
memory/4008-224-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-222-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-220-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-218-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-216-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-192-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-191-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-194-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-196-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-198-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-200-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-202-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-204-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-206-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-208-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-210-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-212-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4008-214-0x0000000007170000-0x00000000071A5000-memory.dmp

Filesize
212KB

Download
memory/4644-174-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-150-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-186-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/4644-185-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-182-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-183-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-181-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/4644-152-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-180-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-156-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-178-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-176-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-154-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-170-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-153-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-168-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-166-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-164-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-162-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-160-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-158-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-172-0x0000000004CA0000-0x0000000004CB3000-memory.dmp

Filesize
76KB

Download
memory/4644-149-0x0000000002CC0000-0x0000000002CED000-memory.dmp

Filesize
180KB

Download
memory/4644-151-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/4644-148-0x0000000007200000-0x00000000077A4000-memory.dmp

Filesize
5.6MB

Download