b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9

Analysis

max time kernel
109s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2023 15:13

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General

Target

b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe
Size

694KB
MD5

18f6b14e6924c4d658b6b7c7c915309d
SHA1

dd4cdb247a94bb462adb7a92303be2b82ee564ab
SHA256

b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9
SHA512

f261caf269ba568e9043d5a00146169e8a923b140e2713339ad3afcd942c801a94d59445787cf4485b57e197eca8a5aad693e60a818167205076baea240e932f
SSDEEP

12288:0y90SphN71O1DvpNr8r1MoZRsFADeP/oJcNU0ttHHVYEeZWtfd6/:0yDpn71OZvpZ8rlujPRbVGAlY

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	67477644.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	67477644.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	67477644.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	67477644.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	67477644.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	67477644.exe

Executes dropped EXE 4 IoCs

pid	Process
1928	un730909.exe
1736	67477644.exe
2504	rk705983.exe
3340	si519957.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	67477644.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	67477644.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	un730909.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.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\\\""	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un730909.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
2876	1736	WerFault.exe	85
3004	2504	WerFault.exe	95

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1736	67477644.exe
1736	67477644.exe
2504	rk705983.exe
2504	rk705983.exe
3340	si519957.exe
3340	si519957.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	67477644.exe
Token: SeDebugPrivilege	2504	rk705983.exe
Token: SeDebugPrivilege	3340	si519957.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1928	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	84
PID 1636 wrote to memory of 1928	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	84
PID 1636 wrote to memory of 1928	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	84
PID 1928 wrote to memory of 1736	1928	un730909.exe	85
PID 1928 wrote to memory of 1736	1928	un730909.exe	85
PID 1928 wrote to memory of 1736	1928	un730909.exe	85
PID 1928 wrote to memory of 2504	1928	un730909.exe	95
PID 1928 wrote to memory of 2504	1928	un730909.exe	95
PID 1928 wrote to memory of 2504	1928	un730909.exe	95
PID 1636 wrote to memory of 3340	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	99
PID 1636 wrote to memory of 3340	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	99
PID 1636 wrote to memory of 3340	1636	b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe	99

C:\Users\Admin\AppData\Local\Temp\b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe
"C:\Users\Admin\AppData\Local\Temp\b41eac15a261446b8d6882d742836798ccd54729e5a7e5f63364b224bff85ea9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un730909.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un730909.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\67477644.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\67477644.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 1084
      4⤵
      Program crash
      PID:2876
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk705983.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk705983.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 1672
      4⤵
      Program crash
      PID:3004
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si519957.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si519957.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1736 -ip 1736
1⤵
PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2504 -ip 2504
1⤵
PID:3936

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\si519957.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si519957.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un730909.exe

Filesize
540KB

MD5
d841bdb10fdd39c54d5da023f5e1b3bd

SHA1
07e91e33f867d290b01f5405aea4c2af1486adf2

SHA256
81a9b11529800c31410bdc9f4963608da5aa204f65de03e52fb4bbba27812aa9

SHA512
abe5f7e5605a8d8731f7ca472dbf883a86b9d8fb81b5bddeb7b835bef29d6f52a3e373c17346ccc4068cc8143dea1d4a2cfa0559692c9e0744c1e7540e3f87f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un730909.exe

Filesize
540KB

MD5
d841bdb10fdd39c54d5da023f5e1b3bd

SHA1
07e91e33f867d290b01f5405aea4c2af1486adf2

SHA256
81a9b11529800c31410bdc9f4963608da5aa204f65de03e52fb4bbba27812aa9

SHA512
abe5f7e5605a8d8731f7ca472dbf883a86b9d8fb81b5bddeb7b835bef29d6f52a3e373c17346ccc4068cc8143dea1d4a2cfa0559692c9e0744c1e7540e3f87f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\67477644.exe

Filesize
258KB

MD5
c91285b4611eeeb92274c43c323d1ad7

SHA1
baf0e0a55142ba34b3eec01703e4dfa682e6688b

SHA256
f3b2cbfd7e1e6adef58aa7d2227b1e899c060b45262f25410ffb9e88a2728b7c

SHA512
26e90cabecec4df51ee4fdbbccf54de6d1b7da6e988532ec4b5677ed12989166edd4fab9736a4aff64bb42de26fef1a1dbd3d53d5fde98391368767750d691fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\67477644.exe

Filesize
258KB

MD5
c91285b4611eeeb92274c43c323d1ad7

SHA1
baf0e0a55142ba34b3eec01703e4dfa682e6688b

SHA256
f3b2cbfd7e1e6adef58aa7d2227b1e899c060b45262f25410ffb9e88a2728b7c

SHA512
26e90cabecec4df51ee4fdbbccf54de6d1b7da6e988532ec4b5677ed12989166edd4fab9736a4aff64bb42de26fef1a1dbd3d53d5fde98391368767750d691fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk705983.exe

Filesize
340KB

MD5
daa3eaea56d5ec05bab606a51d81c982

SHA1
a9884bad44d85fc7c98e3e815d947f6909e427c4

SHA256
0772838bc27fc01098d380ff478a03ab83e18a99fd9afec8f7acbd634d276e60

SHA512
06d398c8d0936d0e819b4aafeb1cc609633dc5dede34c5a4ffb3c2486b92833e5f60b4faaae283d86b5a393854ae54c4253d6bcff59d085f66a719ae374b88ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk705983.exe

Filesize
340KB

MD5
daa3eaea56d5ec05bab606a51d81c982

SHA1
a9884bad44d85fc7c98e3e815d947f6909e427c4

SHA256
0772838bc27fc01098d380ff478a03ab83e18a99fd9afec8f7acbd634d276e60

SHA512
06d398c8d0936d0e819b4aafeb1cc609633dc5dede34c5a4ffb3c2486b92833e5f60b4faaae283d86b5a393854ae54c4253d6bcff59d085f66a719ae374b88ee

Download Submit
memory/1736-148-0x0000000002BA0000-0x0000000002BCD000-memory.dmp

Filesize
180KB

Download
memory/1736-149-0x00000000072B0000-0x0000000007854000-memory.dmp

Filesize
5.6MB

Download
memory/1736-150-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-151-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-152-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-153-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-154-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-156-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-158-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-160-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-162-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-164-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-166-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-168-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-170-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-172-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-174-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-176-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-178-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-180-0x0000000004BB0000-0x0000000004BC3000-memory.dmp

Filesize
76KB

Download
memory/1736-181-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/1736-182-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-183-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-184-0x00000000072A0000-0x00000000072B0000-memory.dmp

Filesize
64KB

Download
memory/1736-186-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/2504-191-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-192-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-194-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-196-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-198-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-200-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-202-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-204-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-206-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-208-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-210-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-212-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-214-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-216-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-218-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-220-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-222-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-224-0x0000000004D30000-0x0000000004D65000-memory.dmp

Filesize
212KB

Download
memory/2504-346-0x0000000002BB0000-0x0000000002BF6000-memory.dmp

Filesize
280KB

Download
memory/2504-349-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/2504-347-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/2504-352-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/2504-987-0x0000000009D80000-0x000000000A398000-memory.dmp

Filesize
6.1MB

Download
memory/2504-988-0x000000000A400000-0x000000000A412000-memory.dmp

Filesize
72KB

Download
memory/2504-989-0x000000000A420000-0x000000000A52A000-memory.dmp

Filesize
1.0MB

Download
memory/2504-990-0x000000000A540000-0x000000000A57C000-memory.dmp

Filesize
240KB

Download
memory/2504-991-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/2504-992-0x000000000A840000-0x000000000A8A6000-memory.dmp

Filesize
408KB

Download
memory/2504-993-0x000000000AF00000-0x000000000AF92000-memory.dmp

Filesize
584KB

Download
memory/2504-995-0x000000000AFD0000-0x000000000B046000-memory.dmp

Filesize
472KB

Download
memory/2504-996-0x000000000B0A0000-0x000000000B262000-memory.dmp

Filesize
1.8MB

Download
memory/2504-997-0x000000000B280000-0x000000000B7AC000-memory.dmp

Filesize
5.2MB

Download
memory/2504-998-0x000000000B830000-0x000000000B84E000-memory.dmp

Filesize
120KB

Download
memory/2504-999-0x0000000004800000-0x0000000004850000-memory.dmp

Filesize
320KB

Download
memory/3340-1005-0x0000000000820000-0x0000000000848000-memory.dmp

Filesize
160KB

Download
memory/3340-1006-0x0000000007930000-0x0000000007940000-memory.dmp

Filesize
64KB

Download