cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0 | Triage

Analysis

max time kernel
73s
max time network
75s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
25/04/2023, 17:34 UTC

Sharing

Report Analysis Logs

General

Target

cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe
Size

695KB
MD5

a18d285b8e1fedd91d2d85870393fe61
SHA1

6b73d51c2e5c8fa7991150f90e24080c2dc90d5a
SHA256

cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0
SHA512

3fa2940bada3955cacb10ac3911bab3f616436fe3c2e47d1051cae7f90a769a7a49c704bfb1081191de888e4adefe8b5913c6ef4f9bd4d3f15ef98589adfda93
SSDEEP

12288:Ey90SE/2Kj4N159W8i89TpYeO8gl0k118D65VNj7W/evln4b2TFL:Eydikuo1Q8gl0ZKNj7W2vB4qTFL

Score

10^/10

discovery evasion persistence spyware stealer trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs

Modify Registry

Modify Existing Service

Disabling Security Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	41950131.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	41950131.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	41950131.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	41950131.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	41950131.exe

Executes dropped EXE 4 IoCs

pid	Process
2872	un165510.exe
3364	41950131.exe
4120	rk613160.exe
1708	si836015.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	41950131.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	41950131.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	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.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\\\""	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un165510.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\\\""	un165510.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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3364	41950131.exe
3364	41950131.exe
4120	rk613160.exe
4120	rk613160.exe
1708	si836015.exe
1708	si836015.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	41950131.exe
Token: SeDebugPrivilege	4120	rk613160.exe
Token: SeDebugPrivilege	1708	si836015.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2872	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	66
PID 2444 wrote to memory of 2872	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	66
PID 2444 wrote to memory of 2872	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	66
PID 2872 wrote to memory of 3364	2872	un165510.exe	67
PID 2872 wrote to memory of 3364	2872	un165510.exe	67
PID 2872 wrote to memory of 3364	2872	un165510.exe	67
PID 2872 wrote to memory of 4120	2872	un165510.exe	68
PID 2872 wrote to memory of 4120	2872	un165510.exe	68
PID 2872 wrote to memory of 4120	2872	un165510.exe	68
PID 2444 wrote to memory of 1708	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	70
PID 2444 wrote to memory of 1708	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	70
PID 2444 wrote to memory of 1708	2444	cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe	70

C:\Users\Admin\AppData\Local\Temp\cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe
"C:\Users\Admin\AppData\Local\Temp\cb79e60802186266f1573229f3a25ef6b4087267a2d130897e8413bb590fa4e0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un165510.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un165510.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41950131.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41950131.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3364
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk613160.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk613160.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4120
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si836015.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si836015.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1708

Network

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

0.77.109.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

0.77.109.52.in-addr.arpa

IN PTR

Response

185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
51.132.193.104:443

322 B
7
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

156 B
120 B
3
3
185.161.248.143:38452

rk613160.exe

5.2kB
7.7kB
15
13
13.107.4.50:80

322 B
7
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

156 B
120 B
3
3
185.161.248.143:38452

si836015.exe

5.1kB
7.8kB
16
14

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

0.77.109.52.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

0.77.109.52.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\si836015.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si836015.exe

Filesize
136KB

MD5
73cae2858379cab7e68b9e5bf751c372

SHA1
38c375354bda6e5c8fb2579f1ef0416a6c65929a

SHA256
e423b9b79b441e48fd15c0980c78bf87ddaab308fa1c5d5ecdfbd85e1da73f1c

SHA512
343c2e4470d42c5078a7e4025509779bfd4b92b5c8b71a9e270acb2b98b6b6fcfa04f8158d9c10c468d0984daac5c8f316424df5e4def7db13e8768eb0d7c7d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un165510.exe

Filesize
541KB

MD5
afc4ab305bcbee75074a3f77bc488e40

SHA1
97a7713ae499fdcd77329b3c1a3b7ce4c96e513e

SHA256
059d94396d1ca59f970fcf200fc1fec6378ee3d94a0fb0b3fe08e37efa1d7ea9

SHA512
82c262f8364fe97824eef9c7bf554a57b3bb210fd279fd4edaf2ab61f1f92cfa10742e1288f7187163b7ff5272a525c6c9c4cdb8ae3b3b1396a8006bf2685be6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un165510.exe

Filesize
541KB

MD5
afc4ab305bcbee75074a3f77bc488e40

SHA1
97a7713ae499fdcd77329b3c1a3b7ce4c96e513e

SHA256
059d94396d1ca59f970fcf200fc1fec6378ee3d94a0fb0b3fe08e37efa1d7ea9

SHA512
82c262f8364fe97824eef9c7bf554a57b3bb210fd279fd4edaf2ab61f1f92cfa10742e1288f7187163b7ff5272a525c6c9c4cdb8ae3b3b1396a8006bf2685be6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41950131.exe

Filesize
258KB

MD5
b07d55e76e5c5fa5e156b9797a14ce6d

SHA1
dc88f3b9c1091211958a7df72539c2d26e2e41fc

SHA256
cd29a12b470dc394b1d2fcefea9d6652948c1d83eb48e29830633d039998a1f2

SHA512
efa6087e7e6ef5e17a49736fc672ee30b7aa5d2bf54827f8251f341c2a5caf6cdfa3eaaf83ecfe943662ac8c0065ba911f2d329314653c340c4d5f502ed2948e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\41950131.exe

Filesize
258KB

MD5
b07d55e76e5c5fa5e156b9797a14ce6d

SHA1
dc88f3b9c1091211958a7df72539c2d26e2e41fc

SHA256
cd29a12b470dc394b1d2fcefea9d6652948c1d83eb48e29830633d039998a1f2

SHA512
efa6087e7e6ef5e17a49736fc672ee30b7aa5d2bf54827f8251f341c2a5caf6cdfa3eaaf83ecfe943662ac8c0065ba911f2d329314653c340c4d5f502ed2948e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk613160.exe

Filesize
341KB

MD5
cfb9116bd5ae93f81e4784f874b985d3

SHA1
3fcd4a140b3b4d3e92b94d37a4c8995796a3bafc

SHA256
f30f26ab0ba5c5bee4cb2e2c122a9abe7fab6e6b4ff1d6f7c988acddae1ac640

SHA512
a5447ff06320403e5f807c06496ecd5898d5b5b370b4094a5ddc7420ceafbf3575ea3f84aa05beb2a83c94df0d60894a8c4a200129f18307a2b42fc9c254362b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk613160.exe

Filesize
341KB

MD5
cfb9116bd5ae93f81e4784f874b985d3

SHA1
3fcd4a140b3b4d3e92b94d37a4c8995796a3bafc

SHA256
f30f26ab0ba5c5bee4cb2e2c122a9abe7fab6e6b4ff1d6f7c988acddae1ac640

SHA512
a5447ff06320403e5f807c06496ecd5898d5b5b370b4094a5ddc7420ceafbf3575ea3f84aa05beb2a83c94df0d60894a8c4a200129f18307a2b42fc9c254362b

Download Submit
memory/1708-1002-0x0000000000420000-0x0000000000448000-memory.dmp

Filesize
160KB

Download
memory/1708-1003-0x00000000071A0000-0x00000000071EB000-memory.dmp

Filesize
300KB

Download
memory/1708-1004-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/1708-1005-0x0000000002820000-0x0000000002830000-memory.dmp

Filesize
64KB

Download
memory/3364-146-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-160-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-142-0x00000000048C0000-0x00000000048D0000-memory.dmp

Filesize
64KB

Download
memory/3364-139-0x00000000048C0000-0x00000000048D0000-memory.dmp

Filesize
64KB

Download
memory/3364-143-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-144-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-140-0x0000000004960000-0x0000000004978000-memory.dmp

Filesize
96KB

Download
memory/3364-148-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-150-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-152-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-154-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-156-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-158-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-141-0x00000000048C0000-0x00000000048D0000-memory.dmp

Filesize
64KB

Download
memory/3364-162-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-164-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-166-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-168-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-170-0x0000000004960000-0x0000000004973000-memory.dmp

Filesize
76KB

Download
memory/3364-171-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/3364-172-0x00000000048C0000-0x00000000048D0000-memory.dmp

Filesize
64KB

Download
memory/3364-174-0x0000000000400000-0x0000000002B9B000-memory.dmp

Filesize
39.6MB

Download
memory/3364-138-0x0000000007330000-0x000000000782E000-memory.dmp

Filesize
5.0MB

Download
memory/3364-137-0x00000000048A0000-0x00000000048BA000-memory.dmp

Filesize
104KB

Download
memory/3364-136-0x00000000001D0000-0x00000000001FD000-memory.dmp

Filesize
180KB

Download
memory/4120-183-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-977-0x0000000009C30000-0x000000000A236000-memory.dmp

Filesize
6.0MB

Download
memory/4120-184-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-186-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-185-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-188-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-190-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-192-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-194-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-196-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-198-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-200-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-202-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-204-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-206-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-208-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-210-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-212-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-214-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-216-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-218-0x0000000004B00000-0x0000000004B35000-memory.dmp

Filesize
212KB

Download
memory/4120-182-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-978-0x0000000004E00000-0x0000000004E12000-memory.dmp

Filesize
72KB

Download
memory/4120-979-0x000000000A240000-0x000000000A34A000-memory.dmp

Filesize
1.0MB

Download
memory/4120-980-0x000000000A350000-0x000000000A38E000-memory.dmp

Filesize
248KB

Download
memory/4120-982-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-981-0x000000000A4C0000-0x000000000A50B000-memory.dmp

Filesize
300KB

Download
memory/4120-984-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-985-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-986-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

Download
memory/4120-987-0x00000000073A0000-0x00000000073B0000-memory.dmp

Filesize
64KB

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memory/4120-989-0x00000000072C0000-0x0000000007326000-memory.dmp

Filesize
408KB

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memory/4120-990-0x000000000AB90000-0x000000000AC22000-memory.dmp

Filesize
584KB

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memory/4120-991-0x000000000ADA0000-0x000000000AE16000-memory.dmp

Filesize
472KB

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memory/4120-992-0x000000000AE40000-0x000000000AE5E000-memory.dmp

Filesize
120KB

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memory/4120-181-0x0000000002C80000-0x0000000002CC6000-memory.dmp

Filesize
280KB

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memory/4120-180-0x0000000004B00000-0x0000000004B3A000-memory.dmp

Filesize
232KB

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memory/4120-179-0x0000000002F80000-0x0000000002FBC000-memory.dmp

Filesize
240KB

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memory/4120-993-0x000000000AEE0000-0x000000000AF30000-memory.dmp

Filesize
320KB

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memory/4120-995-0x000000000AF30000-0x000000000B0F2000-memory.dmp

Filesize
1.8MB

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memory/4120-996-0x000000000B110000-0x000000000B63C000-memory.dmp

Filesize
5.2MB

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