20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a

Analysis

max time kernel
74s
max time network
79s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/04/2023, 21:42

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General

Target

20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe
Size

704KB
MD5

7fac00c7ce9f8808f4d02e874473e482
SHA1

03a594facbfd00dbc8db34cf3eff7115dab444e5
SHA256

20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a
SHA512

6686bbe580969cf010ae611b8eaf21df7c823e793a3c5667c06c2417d602c4a0dc88c82dcb31edbab77ea74997c752a039dbc9add4ceebb01a7e979b1ad36653
SSDEEP

12288:Qy90Y3KXZYMhTMTIK3xGnDqLYf8I5rPPlmNkI1gzC6+IzaMGV/KX3WxiHJY:QyF3KXuMhwTQnuYf8MLPlmDMv+I+Bs2

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	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	pr421554.exe

Executes dropped EXE 4 IoCs

pid	Process
4212	un963310.exe
1668	pr421554.exe
5048	qu500837.exe
2388	si854152.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	pr421554.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	pr421554.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
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.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\\\""	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un963310.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\\\""	un963310.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
320	1668	WerFault.exe	86
464	5048	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1668	pr421554.exe
1668	pr421554.exe
5048	qu500837.exe
5048	qu500837.exe
2388	si854152.exe
2388	si854152.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	pr421554.exe
Token: SeDebugPrivilege	5048	qu500837.exe
Token: SeDebugPrivilege	2388	si854152.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 4212	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	85
PID 4164 wrote to memory of 4212	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	85
PID 4164 wrote to memory of 4212	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	85
PID 4212 wrote to memory of 1668	4212	un963310.exe	86
PID 4212 wrote to memory of 1668	4212	un963310.exe	86
PID 4212 wrote to memory of 1668	4212	un963310.exe	86
PID 4212 wrote to memory of 5048	4212	un963310.exe	89
PID 4212 wrote to memory of 5048	4212	un963310.exe	89
PID 4212 wrote to memory of 5048	4212	un963310.exe	89
PID 4164 wrote to memory of 2388	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	92
PID 4164 wrote to memory of 2388	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	92
PID 4164 wrote to memory of 2388	4164	20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe	92

C:\Users\Admin\AppData\Local\Temp\20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe
"C:\Users\Admin\AppData\Local\Temp\20fbeb0517e5c317ac7ae77244558cb2a583eb85f758f32b799ff8ae6d57fd8a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un963310.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un963310.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr421554.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr421554.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1092
      4⤵
      Program crash
      PID:320
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu500837.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu500837.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 1900
      4⤵
      Program crash
      PID:464
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si854152.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si854152.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1668 -ip 1668
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5048 -ip 5048
1⤵
PID:368

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\si854152.exe

Filesize
136KB

MD5
8c80b06d843bd6a7599a5be2075d9a55

SHA1
caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2

SHA256
e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e

SHA512
cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si854152.exe

Filesize
136KB

MD5
8c80b06d843bd6a7599a5be2075d9a55

SHA1
caf86cf2f908f6ac64b8d4788bc61aaaf672f9f2

SHA256
e794f573618cef6be742a0f574f179aa1087b51c4ec23bcf7faa16415028850e

SHA512
cd902bd2607ee797a60f615c550304e45ff59f2313cbb596b50fae913eae481987a8bde0a83587b153192eeb97514f281864c5fb3db4dc128453d507c5aeeded

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un963310.exe

Filesize
550KB

MD5
a97e425328fd4ac8548c5c2d57d2cff0

SHA1
02ea7070e213acba891f7752c416fcd7484e011a

SHA256
e096a73a59f3dd7deac55f22b5ae2788f8291f86ddee8ac3db82fbe4b8846553

SHA512
84687d7eaee4b05055dcb54a08b0963a40e0a92b20ebcac3f6d070dfa653708fd9337d5506d922cca3c1858ec568d30bc1d04b840f195202b8295fa0b39891bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un963310.exe

Filesize
550KB

MD5
a97e425328fd4ac8548c5c2d57d2cff0

SHA1
02ea7070e213acba891f7752c416fcd7484e011a

SHA256
e096a73a59f3dd7deac55f22b5ae2788f8291f86ddee8ac3db82fbe4b8846553

SHA512
84687d7eaee4b05055dcb54a08b0963a40e0a92b20ebcac3f6d070dfa653708fd9337d5506d922cca3c1858ec568d30bc1d04b840f195202b8295fa0b39891bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr421554.exe

Filesize
278KB

MD5
30c31b91ea2ce29a35c2e53fecded837

SHA1
471fba9ae8c3ecde1a25fc6cb06b6ffd26c8cb33

SHA256
0b458079446b9e75886c06ee15d80f65051ba65533a58b4504b565dcae9d70bf

SHA512
b25de78037c4b89f617e300209753d2476d22d56e944ce2181248eb12ffd31d129c2939eb4d3701d15aaf1e3be2d5c55ec5c677b85b4f51344ff72d4fc7a14c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr421554.exe

Filesize
278KB

MD5
30c31b91ea2ce29a35c2e53fecded837

SHA1
471fba9ae8c3ecde1a25fc6cb06b6ffd26c8cb33

SHA256
0b458079446b9e75886c06ee15d80f65051ba65533a58b4504b565dcae9d70bf

SHA512
b25de78037c4b89f617e300209753d2476d22d56e944ce2181248eb12ffd31d129c2939eb4d3701d15aaf1e3be2d5c55ec5c677b85b4f51344ff72d4fc7a14c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu500837.exe

Filesize
361KB

MD5
14b661f572c9512a98a83db411a839cf

SHA1
cc972543b955ab0d5151e1ad56d968451b0a5f14

SHA256
e539a0cd07f7a9bbb0c3ca812d641c44bc20fa5e9dc5330645c99b959b73600a

SHA512
3846c4142c39aa6a5c3c5747a3d8dc872dfc30413231a9dd2c0f02032ef24ddaadda2f4f8a5b1f26a9b41b6879cbf1db13771d540ef70dc8f2cc68d124ad18ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu500837.exe

Filesize
361KB

MD5
14b661f572c9512a98a83db411a839cf

SHA1
cc972543b955ab0d5151e1ad56d968451b0a5f14

SHA256
e539a0cd07f7a9bbb0c3ca812d641c44bc20fa5e9dc5330645c99b959b73600a

SHA512
3846c4142c39aa6a5c3c5747a3d8dc872dfc30413231a9dd2c0f02032ef24ddaadda2f4f8a5b1f26a9b41b6879cbf1db13771d540ef70dc8f2cc68d124ad18ab

Download Submit
memory/1668-161-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-169-0x0000000007220000-0x0000000007230000-memory.dmp

Filesize
64KB

Download
memory/1668-150-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-151-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-153-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-155-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-157-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-159-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-148-0x0000000002BB0000-0x0000000002BDD000-memory.dmp

Filesize
180KB

Download
memory/1668-163-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-165-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-167-0x0000000007220000-0x0000000007230000-memory.dmp

Filesize
64KB

Download
memory/1668-168-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-149-0x0000000007230000-0x00000000077D4000-memory.dmp

Filesize
5.6MB

Download
memory/1668-171-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-173-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-175-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-177-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-179-0x0000000004C80000-0x0000000004C92000-memory.dmp

Filesize
72KB

Download
memory/1668-180-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/1668-184-0x0000000007220000-0x0000000007230000-memory.dmp

Filesize
64KB

Download
memory/1668-182-0x0000000007220000-0x0000000007230000-memory.dmp

Filesize
64KB

Download
memory/1668-183-0x0000000007220000-0x0000000007230000-memory.dmp

Filesize
64KB

Download
memory/1668-185-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/2388-1004-0x0000000000730000-0x0000000000758000-memory.dmp

Filesize
160KB

Download
memory/2388-1005-0x0000000007540000-0x0000000007550000-memory.dmp

Filesize
64KB

Download
memory/5048-191-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-193-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-195-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-197-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-199-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-201-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-203-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-205-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-207-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-209-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-211-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-213-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-217-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-219-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-221-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-215-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-225-0x00000000073B0000-0x00000000073C0000-memory.dmp

Filesize
64KB

Download
memory/5048-227-0x00000000073B0000-0x00000000073C0000-memory.dmp

Filesize
64KB

Download
memory/5048-224-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-223-0x0000000002CA0000-0x0000000002CE6000-memory.dmp

Filesize
280KB

Download
memory/5048-229-0x00000000073B0000-0x00000000073C0000-memory.dmp

Filesize
64KB

Download
memory/5048-986-0x0000000009CF0000-0x000000000A308000-memory.dmp

Filesize
6.1MB

Download
memory/5048-987-0x000000000A320000-0x000000000A332000-memory.dmp

Filesize
72KB

Download
memory/5048-988-0x000000000A340000-0x000000000A44A000-memory.dmp

Filesize
1.0MB

Download
memory/5048-989-0x000000000A460000-0x000000000A49C000-memory.dmp

Filesize
240KB

Download
memory/5048-990-0x00000000073B0000-0x00000000073C0000-memory.dmp

Filesize
64KB

Download
memory/5048-991-0x000000000A760000-0x000000000A7C6000-memory.dmp

Filesize
408KB

Download
memory/5048-992-0x000000000AE20000-0x000000000AEB2000-memory.dmp

Filesize
584KB

Download
memory/5048-993-0x000000000AEE0000-0x000000000AF30000-memory.dmp

Filesize
320KB

Download
memory/5048-994-0x000000000AF40000-0x000000000AFB6000-memory.dmp

Filesize
472KB

Download
memory/5048-190-0x0000000004E30000-0x0000000004E65000-memory.dmp

Filesize
212KB

Download
memory/5048-995-0x000000000B0F0000-0x000000000B10E000-memory.dmp

Filesize
120KB

Download
memory/5048-996-0x000000000B3D0000-0x000000000B592000-memory.dmp

Filesize
1.8MB

Download
memory/5048-997-0x000000000B5A0000-0x000000000BACC000-memory.dmp

Filesize
5.2MB

Download