guloader | 6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 04:04

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General

Target

6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
Size

714KB
MD5

5af40840e1595abd3d4a595ccd6aa0e4
SHA1

5bae45afeb45a891e060ac45dfa42cbe6a538de7
SHA256

6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1
SHA512

82c924472e0209f6f40638644d3521ce1f4291ff1e1295ac6d27a952054ad19671a5ad33835ef130ce26c5e2d4215bd192b5f7394b0bf3f887c3943b0f044545
SSDEEP

12288:v3qdpzxjUJAn4n/kliiXC4UhfrdIgw0dy69FVOXgIfPCDQjUAZZd8iM/4z:v3qdbyA4n/kliicfrdS0E69fOQIfqDQR

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot5362707045:AAGBjkYF97cvI4xaEhJ1OrouiqS3umCPqqA/sendMessage?chat_id=5340613581

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 2 IoCs

pid	Process
2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.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-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

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

Web Service

T1102

flow	ioc
18	drive.google.com
19	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
29	checkip.dyndns.org
45	reallyfreegeoip.org
46	reallyfreegeoip.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4024	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
4024	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\Ordbogs\adjudantsnorenes.Ext241	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.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 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	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4024	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
4024	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4024	2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe	89
PID 2244 wrote to memory of 4024	2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe	89
PID 2244 wrote to memory of 4024	2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe	89
PID 2244 wrote to memory of 4024	2244	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe

C:\Users\Admin\AppData\Local\Temp\6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
"C:\Users\Admin\AppData\Local\Temp\6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.exe
  "C:\Users\Admin\AppData\Local\Temp\6c16e9584ea16f3fb4b7d819ae74a7b9822139ffef872b235c6c6140a25b73d1.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:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nse920F.tmp

Filesize
71B

MD5
fa03f87568cc498e445851fdc25e6650

SHA1
0e22fbef177db71831aad63f1185f3886a0e440a

SHA256
70575dfd32af5bdea9244096f613f64ddbed3f1ccab2f30764bbfe47f01f3c3c

SHA512
1d2ebe36663d54525c0980cc36f967c584e3849b8dd6e77f0092157879b1ebdbed1d0e50f08c41365cca356dca3df41f21f7725fe1665d5ffd7826ff5b1fa5be

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse920F.tmp

Filesize
67B

MD5
0a3f0a6958444bbe60be42110a33bb30

SHA1
2350bbdacf80483b634671b7877166fcaacbec7b

SHA256
6c9d5f35bd11e1d670553bca8b7ff96bfd5c555f09ac6f7a3ce8b97d3a02b133

SHA512
dc58c80053bef25009a7603ed785690c7fb097e44e91f7fb5ea0ad931f3a28111d87f1a3072ce728eecc23fe3c91452b40c787e07a8562a0f901a98bb25cb8b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse9210.tmp\System.dll

Filesize
12KB

MD5
6e55a6e7c3fdbd244042eb15cb1ec739

SHA1
070ea80e2192abc42f358d47b276990b5fa285a9

SHA256
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506

SHA512
2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk9280.tmp

Filesize
47B

MD5
5a8823b2a26ab75c04c59f13d72980f0

SHA1
0e54968b315f8e804c64ffa62c4c08237a3facd5

SHA256
1b9ce8babd7cd8ef97256d97989e49b840eade136c790ce18c4a7f9952bbb7f8

SHA512
af347afafee536fac965871d647d051e4baf3042aa71389e919b6c6fcddefe2a5ca11bc3d74a59dae4c08c32edb37b179015669af9b5962c9cbfe6c1c0b4c82f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk9280.tmp

Filesize
60B

MD5
dd28e9ff5eb099a482610025a74bc493

SHA1
675d11535a44d85f2463c5041d59b140514196e7

SHA256
73026e7b057d1e664da743d1c6ad590b255f3429b15199564cd6c1a49884b7be

SHA512
7eebb74c1c01d2018acf888b0d85b3eae7b038ddc509e6e3737a96ebe7dff4332665b7538c98b1ae2acd4bac86b6f026ba0ad459ea43116dcc85f4216dc3222e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp9250.tmp

Filesize
52B

MD5
5d04a35d3950677049c7a0cf17e37125

SHA1
cafdd49a953864f83d387774b39b2657a253470f

SHA256
a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

SHA512
c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp92A0.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp92A0.tmp

Filesize
50B

MD5
7744142b5d8633deed8b0c48604a6183

SHA1
cfc651e5686586a0155b3d1d994bbaf5e6c1139e

SHA256
244eba82074feb5f7a0888f0e21d8859ee43bee40a063cb8e65499e5ddc8eb06

SHA512
0388bbf30b0caee72b435e082157bb0cfcdaff0c828a02712713054e7e06792ac492702df93625352997739069828b378cff69dbc7fd6558a2ac5f1b86ac6f78

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsp92A0.tmp

Filesize
56B

MD5
f4032fb1b9a6dcf8431c5af4f6f85efc

SHA1
4eb75644c3f643399346f59d14b1470286623e0a

SHA256
e75abec05caf57448497e489db1f246b1ccca862125fe19ec435f76f3063d842

SHA512
94278c7585174821a2f321981296709f15d73f3cf60bd2cd88f04475aa85f861e6061dd49146cd21c955ccbc537b7bed4e46a892c5df3e6db68dd84833efc961

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu930E.tmp

Filesize
26B

MD5
51363b8d2e5583ff2bfea0ad020f8ac0

SHA1
bf73704dedd0ed2a6c383f9370d7ce27e19d79ed

SHA256
939fb56ca6afb8ec7f034eb2c92880425c966e10a113c87a979130de27701210

SHA512
b0217d6ed0dcf3f677cc0e3a890c837968ec33ea5e2c4ba3f324305a8cb5a07d898b9742d7c37d4c3590e0306348af8e07f24fb5b6f68193a5bcd390b7ddd3b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu930E.tmp

Filesize
23B

MD5
742d3f392842fd0a5ebecea567c2af34

SHA1
b680bc716a2b53ef6af5edcbf222e6ac2606e1e8

SHA256
c7c952a7580d506f694240eb56e705a182561523c14116ab5aab1c2c87f886bf

SHA512
1642176efc91de80dd89412d982f8c9b1b53a0c96067fdbb70cc04a94c0d37d18caee0bdfab9666930af4e50ad37fdb5335e58c210b67fa59420044d4130aedf

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu930E.tmp

Filesize
30B

MD5
f15bfdebb2df02d02c8491bde1b4e9bd

SHA1
93bd46f57c3316c27cad2605ddf81d6c0bde9301

SHA256
c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043

SHA512
1757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1

Download Submit
memory/2244-584-0x00000000747F5000-0x00000000747F6000-memory.dmp

Filesize
4KB

Download
memory/2244-583-0x0000000077B11000-0x0000000077C31000-memory.dmp

Filesize
1.1MB

Download
memory/2244-582-0x00000000044E0000-0x0000000006BDC000-memory.dmp

Filesize
39.0MB

Download
memory/2244-585-0x00000000044E0000-0x0000000006BDC000-memory.dmp

Filesize
39.0MB

Download
memory/2244-587-0x00000000044E0000-0x0000000006BDC000-memory.dmp

Filesize
39.0MB

Download
memory/4024-604-0x00000000007E0000-0x0000000000822000-memory.dmp

Filesize
264KB

Download
memory/4024-601-0x00000000007E0000-0x0000000001A34000-memory.dmp

Filesize
18.3MB

Download
memory/4024-602-0x00000000007E0000-0x0000000001A34000-memory.dmp

Filesize
18.3MB

Download
memory/4024-603-0x0000000001A40000-0x000000000413C000-memory.dmp

Filesize
39.0MB

Download
memory/4024-588-0x0000000001A40000-0x000000000413C000-memory.dmp

Filesize
39.0MB

Download
memory/4024-605-0x0000000001A40000-0x000000000413C000-memory.dmp

Filesize
39.0MB

Download
memory/4024-606-0x0000000037010000-0x00000000375B4000-memory.dmp

Filesize
5.6MB

Download
memory/4024-607-0x00000000375C0000-0x000000003765C000-memory.dmp

Filesize
624KB

Download
memory/4024-611-0x0000000037BD0000-0x0000000037D92000-memory.dmp

Filesize
1.8MB

Download
memory/4024-612-0x0000000034800000-0x0000000034850000-memory.dmp

Filesize
320KB

Download
memory/4024-613-0x0000000037DA0000-0x0000000037E32000-memory.dmp

Filesize
584KB

Download
memory/4024-614-0x0000000037BA0000-0x0000000037BAA000-memory.dmp

Filesize
40KB

Download