gurcu | 24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861 | Triage

Analysis

max time kernel
299s
max time network
300s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 13:41

Sharing

Report Analysis Logs

General

Target

24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Size

256KB
MD5

cdba2f85dd885d8fc4877016c917b2e1
SHA1

32fa75bddbc341415218283a734b6bd8e8d23d38
SHA256

24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861
SHA512

84dc041a5285354864c57ec808d04f6963b07ba8feb77e216e37cc5a1cfd534ea411f7098ccc77a8f71852d04f5a58c440c1e2c6bccda54e42a12a3758a56a62
SSDEEP

6144:QMZzx4t3P+Oqum37ZUr6dgZTlpF1aJ9bR0zuZEi:hx8PvqR7I6dgZT40S2i

Score

10^/10

gurcu collection discovery spyware stealer

Malware Config

Signatures

Detect Gurcu Stealer V3 payload 5 IoCs

resource	yara_rule
behavioral1/memory/1632-0-0x0000000000BC0000-0x0000000000C06000-memory.dmp	family_gurcu_v3
behavioral1/memory/1632-2-0x000000001B3E0000-0x000000001B460000-memory.dmp	family_gurcu_v3
behavioral1/files/0x000a0000000122b8-7.dat	family_gurcu_v3
behavioral1/memory/2640-9-0x0000000000220000-0x0000000000266000-memory.dmp	family_gurcu_v3
behavioral1/memory/2640-11-0x000000001B4B0000-0x000000001B530000-memory.dmp	family_gurcu_v3

Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
stealer gurcu

Deletes itself 1 IoCs

pid	Process
1804	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2640	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
1148	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task/Job

pid	Process
2628	schtasks.exe

Modifies system certificate store 2 TTPs 9 IoCs

evasion spyware trojan

Install Root Certificate

Modify Registry

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

pid	Process
2728	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2640	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
2640	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
1148	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
1148	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Token: SeDebugPrivilege	2640	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
Token: SeDebugPrivilege	1148	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1804	1632	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe	28
PID 1632 wrote to memory of 1804	1632	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe	28
PID 1632 wrote to memory of 1804	1632	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe	28
PID 1804 wrote to memory of 2612	1804	cmd.exe	30
PID 1804 wrote to memory of 2612	1804	cmd.exe	30
PID 1804 wrote to memory of 2612	1804	cmd.exe	30
PID 1804 wrote to memory of 2728	1804	cmd.exe	31
PID 1804 wrote to memory of 2728	1804	cmd.exe	31
PID 1804 wrote to memory of 2728	1804	cmd.exe	31
PID 1804 wrote to memory of 2628	1804	cmd.exe	32
PID 1804 wrote to memory of 2628	1804	cmd.exe	32
PID 1804 wrote to memory of 2628	1804	cmd.exe	32
PID 1804 wrote to memory of 2640	1804	cmd.exe	33
PID 1804 wrote to memory of 2640	1804	cmd.exe	33
PID 1804 wrote to memory of 2640	1804	cmd.exe	33
PID 592 wrote to memory of 1148	592	taskeng.exe	36
PID 592 wrote to memory of 1148	592	taskeng.exe	36
PID 592 wrote to memory of 1148	592	taskeng.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

C:\Users\Admin\AppData\Local\Temp\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
"C:\Users\Admin\AppData\Local\Temp\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe" &&START "" "C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2612
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2728
- - C:\Windows\system32\schtasks.exe
    schtasks /create /tn "24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:2628
- - C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
    "C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2640

C:\Windows\system32\taskeng.exe
taskeng.exe {8E3991E0-811E-4E20-B90D-933CA81417C7} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:592
- C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
  C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Modify Registry

Subvert Trust Controls

Install Root Certificate

Credential Access

Unsecured Credentials

Credentials In Files

Credentials in Registry

Discovery

Query Registry

Remote System Discovery

System Information Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
7156fc2e0406ea1dcc78bc645ef7332c

SHA1
3437d23e2e47654144b44fd49f391a50fcfb4b9e

SHA256
a7aa59160854961091f0b0353c2e502debf0f3690f69d7075806da787338fae5

SHA512
2bcbc90e21dfd031380ef5927a5012ed8707299b161d0bdc12c6348bca2c972d4da19b11a49b55943e8dd67397d6ce78aef4474023d2b2657536e9d516881b61

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C:\Users\Admin\AppData\Local\Temp\Tar3B63.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861.exe

Filesize
256KB

MD5
cdba2f85dd885d8fc4877016c917b2e1

SHA1
32fa75bddbc341415218283a734b6bd8e8d23d38

SHA256
24cfa89e815eb1cff357d2aeacc874a7fc99081ed731d9d756368edfe5bec861

SHA512
84dc041a5285354864c57ec808d04f6963b07ba8feb77e216e37cc5a1cfd534ea411f7098ccc77a8f71852d04f5a58c440c1e2c6bccda54e42a12a3758a56a62

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C:\Users\Admin\AppData\Local\c5b6tzqxp9\port.dat

Filesize
4B

MD5
7dc3338d429a3114842ca29dbbfccfef

SHA1
8d7391e8d11a925e700a9b962c1638c081fe427d

SHA256
c5f9eb390a108b4859979e6b4356f30d03f48d8d836596fc8b09ab8307ef03f0

SHA512
97346c446e319e766846acc68497e2c7ca75fa51371142af657263f836729ef21d9ac6f4e11710bdb196ca97462c5ef099f745a3e584c2657618139c9aac7fac

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memory/1148-131-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

Filesize
9.9MB

Download
memory/1148-191-0x000000001B380000-0x000000001B400000-memory.dmp

Filesize
512KB

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memory/1148-190-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

Filesize
9.9MB

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memory/1148-133-0x000000001B380000-0x000000001B400000-memory.dmp

Filesize
512KB

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memory/1632-1-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

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memory/1632-2-0x000000001B3E0000-0x000000001B460000-memory.dmp

Filesize
512KB

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memory/1632-5-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

Filesize
9.9MB

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memory/1632-0-0x0000000000BC0000-0x0000000000C06000-memory.dmp

Filesize
280KB

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memory/2640-11-0x000000001B4B0000-0x000000001B530000-memory.dmp

Filesize
512KB

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memory/2640-188-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

Filesize
9.9MB

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memory/2640-189-0x000000001B4B0000-0x000000001B530000-memory.dmp

Filesize
512KB

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memory/2640-9-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

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memory/2640-10-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

Filesize
9.9MB

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