guloader | 2df46544a8861e37d41d4141bf6e01627d2b6146d3ee9d14bb7fa1aeb196d039

General

Target

Hjertesukkene.exe
Size

748KB
MD5

3c7ef96f2186919b90f142e105648961
SHA1

8ebcf7eb6705ab3132d39ee0dfa086502251a4e8
SHA256

2df46544a8861e37d41d4141bf6e01627d2b6146d3ee9d14bb7fa1aeb196d039
SHA512

dbae3f0aa744511c1a467be36fbe6363090071dd77c0c10e2dcef94ef0b72cddb5202b80530ebcf05b60aa79499f5c65ae8afb4e21b9f1df45564188f7c0677c
SSDEEP

12288:YF9NQk3J7EcrKNJlrUupNK3y38SeD83S1sAnCPB7SqxnE8UML789zUO9vVOI0emY:Q17FKrlrdjR3lRsxnSB7SqxnlGUOdb0G

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Downloads MZ/PE file 1 IoCs

flow	pid	Process
70	1716	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
4468	Hjertesukkene.exe
4468	Hjertesukkene.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Hjertesukkene.exe
Key opened	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Hjertesukkene.exe
Key opened	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Hjertesukkene.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
21	drive.google.com
22	drive.google.com

Looks up external IP address via web service 3 IoCs

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

flow	ioc
38	checkip.dyndns.org
40	reallyfreegeoip.org
42	reallyfreegeoip.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4304	Hjertesukkene.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4468	Hjertesukkene.exe
4304	Hjertesukkene.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\bedvelsens\Reaccelerates.ske	Hjertesukkene.exe
File opened for modification	C:\Program Files (x86)\Common Files\rhesusbarnet\teenfully.bra	Hjertesukkene.exe
File opened for modification	C:\Program Files (x86)\Common Files\infarkt.pla	Hjertesukkene.exe
File opened for modification	C:\Program Files (x86)\Unelaborated.non	Hjertesukkene.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\rothesay\Fallenternes.con	Hjertesukkene.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hjertesukkene.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Hjertesukkene.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1176	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4304	Hjertesukkene.exe
4304	Hjertesukkene.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4468	Hjertesukkene.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	Hjertesukkene.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 4304	4468	Hjertesukkene.exe	94
PID 4468 wrote to memory of 4304	4468	Hjertesukkene.exe	94
PID 4468 wrote to memory of 4304	4468	Hjertesukkene.exe	94
PID 4468 wrote to memory of 4304	4468	Hjertesukkene.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Hjertesukkene.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Hjertesukkene.exe

C:\Users\Admin\AppData\Local\Temp\Hjertesukkene.exe
"C:\Users\Admin\AppData\Local\Temp\Hjertesukkene.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Users\Admin\AppData\Local\Temp\Hjertesukkene.exe
  "C:\Users\Admin\AppData\Local\Temp\Hjertesukkene.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4304

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjQ2MTUzNDM3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nssE6B7.tmp\System.dll

Filesize
11KB

MD5
cf85183b87314359488b850f9e97a698

SHA1
6b6c790037eec7ebea4d05590359cb4473f19aea

SHA256
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

SHA512
fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

Download Submit
C:\Users\Public\Pictures\fedtlderstvles.lnk

Filesize
892B

MD5
53941b2774c79b767a2c87e71ad96a67

SHA1
1e810101339ddc18d3b1173545e6c5f1154173a5

SHA256
a37b2a818470408835611dc3731444146e6e0dcbe101d2d3aa1fb0f14d79cf23

SHA512
47be52a05f42793b502e1c9c55ad9538ff535d36691f22c3272be5cf7384f98e3f35990cfab8878aa47cf0c33d26e5abe3db5a65beac94581804067b0bdac511

Download Submit
memory/4304-333-0x00000000016C0000-0x0000000003777000-memory.dmp

Filesize
32.7MB

Download
memory/4304-332-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/4304-344-0x0000000034000000-0x000000003400A000-memory.dmp

Filesize
40KB

Download
memory/4304-343-0x0000000033F40000-0x0000000033FD2000-memory.dmp

Filesize
584KB

Download
memory/4304-311-0x00000000016C0000-0x0000000003777000-memory.dmp

Filesize
32.7MB

Download
memory/4304-314-0x00000000016C0000-0x0000000003777000-memory.dmp

Filesize
32.7MB

Download
memory/4304-315-0x0000000077918000-0x0000000077919000-memory.dmp

Filesize
4KB

Download
memory/4304-316-0x0000000077935000-0x0000000077936000-memory.dmp

Filesize
4KB

Download
memory/4304-317-0x00000000016C0000-0x0000000003777000-memory.dmp

Filesize
32.7MB

Download
memory/4304-327-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/4304-328-0x0000000077891000-0x00000000779B1000-memory.dmp

Filesize
1.1MB

Download
memory/4304-341-0x00000000373A0000-0x00000000378CC000-memory.dmp

Filesize
5.2MB

Download
memory/4304-334-0x0000000000460000-0x00000000004AA000-memory.dmp

Filesize
296KB

Download
memory/4304-340-0x00000000372C0000-0x0000000037310000-memory.dmp

Filesize
320KB

Download
memory/4304-335-0x0000000036600000-0x0000000036BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4304-336-0x0000000036550000-0x00000000365EC000-memory.dmp

Filesize
624KB

Download
memory/4304-339-0x00000000370F0000-0x00000000372B2000-memory.dmp

Filesize
1.8MB

Download
memory/4468-309-0x0000000002820000-0x00000000048D7000-memory.dmp

Filesize
32.7MB

Download
memory/4468-310-0x0000000077891000-0x00000000779B1000-memory.dmp

Filesize
1.1MB

Download
memory/4468-312-0x0000000002820000-0x00000000048D7000-memory.dmp

Filesize
32.7MB

Download
memory/4468-313-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download

Analysis

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