guloader | 1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186

General

Target

1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
Size

648KB
MD5

4daa83a70dd7469b2ae3d32bcfce684a
SHA1

95eb8470384a3014b3e45127b7505d11a44904a8
SHA256

1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186
SHA512

6b4a04898691c4d59ba2cf9247e2ef3c05baf961321fa00515fe03d510cb7ad132e053aa0452b7e97c3beaaca782895c41dbec6608e0fde041aca543bf2aec92
SSDEEP

12288:Cgum6gVzk57vTlyfRB35036jUXW4e8MQ+PTRK5Tq3cmoBCvWMRdKBoP:BVo5vTlwnUX88MfP817BiKy

Score

10^/10

guloader vipkeylogger discovery downloader keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.hekoratapizados.com
Port:
587
Username:
[email protected]
Password:
QHZ7fyc6unq9jhe-cwe
Email To:
[email protected]

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

Loads dropped DLL 6 IoCs

pid	Process
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

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

Web Service

T1102

flow	ioc
3	drive.google.com
5	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
12	checkip.dyndns.org
14	reallyfreegeoip.org
15	reallyfreegeoip.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2788	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
2788	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\benna\Tramsmith.mus	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Tantiemes0\rejseforsikringernes.ini	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

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 2 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	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2788	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2788	2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe	30
PID 2508 wrote to memory of 2788	2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe	30
PID 2508 wrote to memory of 2788	2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe	30
PID 2508 wrote to memory of 2788	2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe	30
PID 2508 wrote to memory of 2788	2508	1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe	30

C:\Users\Admin\AppData\Local\Temp\1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
"C:\Users\Admin\AppData\Local\Temp\1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.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:2508
- C:\Users\Admin\AppData\Local\Temp\1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe
  "C:\Users\Admin\AppData\Local\Temp\1c9473869a12e773f5a3f6305b2bb5842081c74ce4497afd9cf2a6d4f062a186.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nszA6BD.tmp\LangDLL.dll

Filesize
5KB

MD5
0c44f21d4afc81cc99fac7cc35e4503a

SHA1
3d0d5c684df99a46510c0e2c0020163a9d11c08d

SHA256
8dc2be6679497994e3ddc97bc7bc1ce2b3c17ef3528b03ded6696ef198a11d10

SHA512
4e4bd35d6aa21cecbfe7a93a2ee7db8ee78ca710a4193dfe240d1067afbe10f61db332c1c85f6cc3ba404d895a959742401b615ef8ff5bd9028254c4a43a0923

Download Submit
\Users\Admin\AppData\Local\Temp\nszA6BD.tmp\System.dll

Filesize
11KB

MD5
a4dd044bcd94e9b3370ccf095b31f896

SHA1
17c78201323ab2095bc53184aa8267c9187d5173

SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

Download Submit
memory/2508-34-0x0000000004520000-0x000000000598F000-memory.dmp

Filesize
20.4MB

Download
memory/2508-35-0x0000000077B31000-0x0000000077C32000-memory.dmp

Filesize
1.0MB

Download
memory/2508-36-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/2508-37-0x0000000004520000-0x000000000598F000-memory.dmp

Filesize
20.4MB

Download
memory/2508-39-0x0000000004520000-0x000000000598F000-memory.dmp

Filesize
20.4MB

Download
memory/2788-40-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/2788-62-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2788-63-0x0000000000490000-0x00000000014F2000-memory.dmp

Filesize
16.4MB

Download
memory/2788-64-0x0000000001500000-0x000000000296F000-memory.dmp

Filesize
20.4MB

Download
memory/2788-65-0x0000000000490000-0x00000000004D8000-memory.dmp

Filesize
288KB

Download

Analysis

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