guloader | 47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179

General

Target

47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
Size

745KB
MD5

e7ba226dadc29e89e6b5d766e09ec7aa
SHA1

86631dec86de9504f9805ce79c06986c7ea112b6
SHA256

47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179
SHA512

f7e7dada4f0d1984a9d0da368cc4b0937a06e92ac7dd03f9668e3e0cf933a09b894551e68481b2d50cad5c7b38158703386d311d92eb7c0ab41851bfcb485931
SSDEEP

12288:oF9MdJNizNPjkJy38SeD83S1VQJ1VdEnxnE8UML789zUO9vVOI0emBmb:AMZy5L3lRsAfd4xnlGUOdb0emBmb

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7489750239:AAEw2JkxSc8H_ozt5TooV_cG6lyHNDmFJi8/sendMessage?chat_id=7050097659

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
39	824	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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-1-5-21-705198581-2062733989-3666524522-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
Key opened	\REGISTRY\USER\S-1-5-21-705198581-2062733989-3666524522-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
Key opened	\REGISTRY\USER\S-1-5-21-705198581-2062733989-3666524522-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

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

Web Service

T1102

flow	ioc
52	drive.google.com
53	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
67	reallyfreegeoip.org
69	reallyfreegeoip.org
65	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
File opened for modification	C:\Program Files (x86)\Common Files\rhesusbarnet\teenfully.bra	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
File opened for modification	C:\Program Files (x86)\Common Files\infarkt.pla	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
File opened for modification	C:\Program Files (x86)\Unelaborated.non	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\rothesay\Fallenternes.con	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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
4628	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1636	1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe	108
PID 1352 wrote to memory of 1636	1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe	108
PID 1352 wrote to memory of 1636	1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe	108
PID 1352 wrote to memory of 1636	1352	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe	108

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-705198581-2062733989-3666524522-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-705198581-2062733989-3666524522-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe

C:\Users\Admin\AppData\Local\Temp\47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
"C:\Users\Admin\AppData\Local\Temp\47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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:1352
- C:\Users\Admin\AppData\Local\Temp\47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.exe
  "C:\Users\Admin\AppData\Local\Temp\47563ed1c4b110ad50d36c9a6a96895b09eb268bad491be453c9d61fee65e179.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:1636

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI3IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4NjAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODIxNjMwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTIwNDA1OTkyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4628

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\nsqE1D5.tmp\System.dll

Filesize
11KB

MD5
cf85183b87314359488b850f9e97a698

SHA1
6b6c790037eec7ebea4d05590359cb4473f19aea

SHA256
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

SHA512
fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

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

Filesize
916B

MD5
896b68611927aabb8e6f239cc7a0caa7

SHA1
bcf507b3a5f5289433ad460c88d61114fd1a7025

SHA256
229d2062487751ccc883293a29d42d7cb2d0b01cf33a9ceeae087f59aaf5cc1e

SHA512
39a7407926a01d62d7b220109f3ee3cf33a3a5adb69ea17aa0d58a20f6db75d320b368f9c3f49582e079ed22d0f5d51a6de7657369043ade0e6ecf483770c625

Download Submit
memory/1352-310-0x0000000076FC1000-0x00000000770E1000-memory.dmp

Filesize
1.1MB

Download
memory/1352-311-0x0000000076FC1000-0x00000000770E1000-memory.dmp

Filesize
1.1MB

Download
memory/1352-312-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/1636-330-0x0000000076FC1000-0x00000000770E1000-memory.dmp

Filesize
1.1MB

Download
memory/1636-332-0x0000000000460000-0x00000000004AA000-memory.dmp

Filesize
296KB

Download
memory/1636-314-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/1636-316-0x0000000077065000-0x0000000077066000-memory.dmp

Filesize
4KB

Download
memory/1636-329-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/1636-313-0x00000000016C0000-0x0000000007397000-memory.dmp

Filesize
92.8MB

Download
memory/1636-331-0x00000000016C0000-0x0000000007397000-memory.dmp

Filesize
92.8MB

Download
memory/1636-315-0x0000000077048000-0x0000000077049000-memory.dmp

Filesize
4KB

Download
memory/1636-333-0x000000003A290000-0x000000003A834000-memory.dmp

Filesize
5.6MB

Download
memory/1636-334-0x000000003A840000-0x000000003A8DC000-memory.dmp

Filesize
624KB

Download
memory/1636-337-0x000000003AE60000-0x000000003B022000-memory.dmp

Filesize
1.8MB

Download
memory/1636-338-0x000000003B030000-0x000000003B080000-memory.dmp

Filesize
320KB

Download
memory/1636-339-0x000000003B110000-0x000000003B63C000-memory.dmp

Filesize
5.2MB

Download
memory/1636-341-0x0000000037B70000-0x0000000037C02000-memory.dmp

Filesize
584KB

Download
memory/1636-342-0x0000000037C30000-0x0000000037C3A000-memory.dmp

Filesize
40KB

Download

Analysis

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