2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48 | Triage

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
25/04/2023, 11:03 UTC

Sharing

Report Analysis Logs

General

Target

2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe
Size

707KB
MD5

5a1d4d55dcefe885cfa2cc616d3525d6
SHA1

c782a2da7104a5c6e57ad931de2091a3098afa09
SHA256

2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48
SHA512

0ad43060e8317fddf52aa9272120ad48f82f1c1f6b111c0a323688ced5b655b99e97e27d988817bfcb0094908290d00180014531c70b3ee5d3cb0276c5e79e43
SSDEEP

12288:qy900lzliCK+x0TwKbLjKAYpvF2djxScEIofQDsFSU3XWFDGSTynPamFwtEA3zRR:qyRzECKc5f2tMcEffQDsEiTPzg9zRdn

Score

10^/10

discovery evasion persistence spyware stealer 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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	90804730.exe

Executes dropped EXE 4 IoCs

pid	Process
4484	un051447.exe
1772	90804730.exe
3752	rk101006.exe
864	si871235.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

Disabling Security Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	90804730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	90804730.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

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.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\\\""	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un051447.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\\\""	un051447.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
932	1772	WerFault.exe	85
4832	3752	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1772	90804730.exe
1772	90804730.exe
3752	rk101006.exe
3752	rk101006.exe
864	si871235.exe
864	si871235.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1772	90804730.exe
Token: SeDebugPrivilege	3752	rk101006.exe
Token: SeDebugPrivilege	864	si871235.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 4484	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	84
PID 4956 wrote to memory of 4484	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	84
PID 4956 wrote to memory of 4484	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	84
PID 4484 wrote to memory of 1772	4484	un051447.exe	85
PID 4484 wrote to memory of 1772	4484	un051447.exe	85
PID 4484 wrote to memory of 1772	4484	un051447.exe	85
PID 4484 wrote to memory of 3752	4484	un051447.exe	88
PID 4484 wrote to memory of 3752	4484	un051447.exe	88
PID 4484 wrote to memory of 3752	4484	un051447.exe	88
PID 4956 wrote to memory of 864	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	91
PID 4956 wrote to memory of 864	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	91
PID 4956 wrote to memory of 864	4956	2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe	91

C:\Users\Admin\AppData\Local\Temp\2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe
"C:\Users\Admin\AppData\Local\Temp\2085c358041a9ffb3785927f526d278e64210c83c82d53e523975640677acf48.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un051447.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un051447.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4484
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\90804730.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\90804730.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1772
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1080
      4⤵
      Program crash
      PID:932
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk101006.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk101006.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 2072
      4⤵
      Program crash
      PID:4832
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si871235.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si871235.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1772 -ip 1772
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3752 -ip 3752
1⤵
PID:3164

Network

DNS

217.106.137.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.106.137.52.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

143.248.161.185.in-addr.arpa

Remote address:

8.8.8.8:53

Request

143.248.161.185.in-addr.arpa

IN PTR

Response
DNS

73.254.224.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.254.224.20.in-addr.arpa

IN PTR

Response
DNS

1.202.248.87.in-addr.arpa

Remote address:

8.8.8.8:53

Request

1.202.248.87.in-addr.arpa

IN PTR

Response

1.202.248.87.in-addr.arpa

IN PTR

https-87-248-202-1amsllnwnet

93.184.221.240:80

260 B
5
93.184.220.29:80

260 B
5
185.161.248.143:38452

rk101006.exe

10.8kB
7.9kB
18
15
93.184.221.240:80

322 B
7
185.161.248.143:38452

si871235.exe

5.6kB
7.6kB
14
11
52.152.110.14:443

260 B
5
104.208.16.90:443

322 B
7
52.152.110.14:443

260 B
5
93.184.221.240:80

322 B
7
52.152.110.14:443

260 B
5
173.223.113.164:443

322 B
7
173.223.113.131:80

322 B
7
204.79.197.203:80

322 B
7
52.152.110.14:443

260 B
5
52.152.110.14:443

260 B
5
52.152.110.14:443

260 B
5

8.8.8.8:53

217.106.137.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

217.106.137.52.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

143.248.161.185.in-addr.arpa

dns

74 B
134 B
1
1

DNS Request

143.248.161.185.in-addr.arpa
8.8.8.8:53

73.254.224.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

73.254.224.20.in-addr.arpa
8.8.8.8:53

1.202.248.87.in-addr.arpa

dns

71 B
116 B
1
1

DNS Request

1.202.248.87.in-addr.arpa

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

Credentials in Files

Discovery

Query Registry

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si871235.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si871235.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un051447.exe

Filesize
553KB

MD5
7d87605ba65c9b22678d6e80dee7f777

SHA1
398ce8a75091e8a2117ca7b7b313f84f0bb58b35

SHA256
925ff38bd0a53f0c9930f258db335723b17f2eb885e278fae9708f430a775b87

SHA512
15e293f20df10ed2a3feecff3f006be0787beb276cdb94e72f55d787b1e85cc8a02722cae24df5493e70ae49a9ace142ea0c5d356e188e32c392197bcb03d9d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un051447.exe

Filesize
553KB

MD5
7d87605ba65c9b22678d6e80dee7f777

SHA1
398ce8a75091e8a2117ca7b7b313f84f0bb58b35

SHA256
925ff38bd0a53f0c9930f258db335723b17f2eb885e278fae9708f430a775b87

SHA512
15e293f20df10ed2a3feecff3f006be0787beb276cdb94e72f55d787b1e85cc8a02722cae24df5493e70ae49a9ace142ea0c5d356e188e32c392197bcb03d9d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\90804730.exe

Filesize
258KB

MD5
ad2ad38410cf2d6ded634c128b7310f8

SHA1
716732ad5cee55cbcef9e669c1c72f227815bf60

SHA256
a97e5ee697bdfe339dce50f00c806c5cd040602d486a7786919937daf1003ae4

SHA512
c833e9125997cdbd61988006092a78c3350954556478ad04316c0029244b24be592bc3d09d079c22de7baa9bcfd0099cf02d2791a42f5b7f73fabc9af7a1adc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\90804730.exe

Filesize
258KB

MD5
ad2ad38410cf2d6ded634c128b7310f8

SHA1
716732ad5cee55cbcef9e669c1c72f227815bf60

SHA256
a97e5ee697bdfe339dce50f00c806c5cd040602d486a7786919937daf1003ae4

SHA512
c833e9125997cdbd61988006092a78c3350954556478ad04316c0029244b24be592bc3d09d079c22de7baa9bcfd0099cf02d2791a42f5b7f73fabc9af7a1adc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk101006.exe

Filesize
353KB

MD5
c692d8d179eae7759ad76a44cbe6bc7c

SHA1
38e4feab036ec5865a0632ec43c5d63f4fc8c6c1

SHA256
d955f7c67230e4d1a63e39ec914079f05eb912f42d6dccd5f183e45852b6ee04

SHA512
21d36a41a6fe0d34bb695c6f27753a5ede904028bd0fdafde27afe31d45689f62d22a466a806ed4a7711c25f048c04fb87bd1566da5805e11eb779c0c134ce0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk101006.exe

Filesize
353KB

MD5
c692d8d179eae7759ad76a44cbe6bc7c

SHA1
38e4feab036ec5865a0632ec43c5d63f4fc8c6c1

SHA256
d955f7c67230e4d1a63e39ec914079f05eb912f42d6dccd5f183e45852b6ee04

SHA512
21d36a41a6fe0d34bb695c6f27753a5ede904028bd0fdafde27afe31d45689f62d22a466a806ed4a7711c25f048c04fb87bd1566da5805e11eb779c0c134ce0d

Download Submit
memory/864-1006-0x0000000007CE0000-0x0000000007CF0000-memory.dmp

Filesize
64KB

Download
memory/864-1005-0x0000000000FD0000-0x0000000000FF8000-memory.dmp

Filesize
160KB

Download
memory/1772-156-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-170-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-152-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-151-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-153-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-154-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-149-0x0000000002CA0000-0x0000000002CCD000-memory.dmp

Filesize
180KB

Download
memory/1772-158-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-160-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-162-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-164-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-166-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-168-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-150-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-172-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-174-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-176-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-178-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-180-0x0000000004BD0000-0x0000000004BE3000-memory.dmp

Filesize
76KB

Download
memory/1772-181-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/1772-182-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-183-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-184-0x0000000007240000-0x0000000007250000-memory.dmp

Filesize
64KB

Download
memory/1772-186-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/1772-148-0x0000000007250000-0x00000000077F4000-memory.dmp

Filesize
5.6MB

Download
memory/3752-191-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-194-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-196-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-198-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-200-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-202-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-204-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-206-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-208-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-210-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-212-0x0000000002DE0000-0x0000000002E26000-memory.dmp

Filesize
280KB

Download
memory/3752-214-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3752-217-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-216-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3752-218-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3752-220-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-213-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-222-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-224-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-226-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-228-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

Download
memory/3752-987-0x0000000009C70000-0x000000000A288000-memory.dmp

Filesize
6.1MB

Download
memory/3752-988-0x000000000A310000-0x000000000A322000-memory.dmp

Filesize
72KB

Download
memory/3752-989-0x000000000A330000-0x000000000A43A000-memory.dmp

Filesize
1.0MB

Download
memory/3752-990-0x000000000A450000-0x000000000A48C000-memory.dmp

Filesize
240KB

Download
memory/3752-991-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/3752-992-0x000000000A750000-0x000000000A7B6000-memory.dmp

Filesize
408KB

Download
memory/3752-993-0x000000000AE10000-0x000000000AEA2000-memory.dmp

Filesize
584KB

Download
memory/3752-994-0x000000000AED0000-0x000000000AF20000-memory.dmp

Filesize
320KB

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memory/3752-995-0x000000000AF30000-0x000000000AFA6000-memory.dmp

Filesize
472KB

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memory/3752-192-0x0000000004E40000-0x0000000004E75000-memory.dmp

Filesize
212KB

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memory/3752-996-0x000000000B0E0000-0x000000000B0FE000-memory.dmp

Filesize
120KB

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memory/3752-997-0x000000000B1A0000-0x000000000B362000-memory.dmp

Filesize
1.8MB

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memory/3752-998-0x000000000B380000-0x000000000B8AC000-memory.dmp

Filesize
5.2MB

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