guloader | 248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 14:10

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General

Target

248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
Size

1008KB
MD5

ddb90d73f21bb04d0a0701542efc6a3c
SHA1

fc3f21cba36333991d3d417be080e28718f08bde
SHA256

248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2
SHA512

74aa87dfc14b0f3390ea64fd50e19e5e8eddaf41abcec7b45334468aedf6ecce65ece411e46a6481104e1ca99fa40e925e1f8fab19c9b677c97d8c5057748d1f
SSDEEP

12288:tqisoX8Q/V9qa5ZwLuEbimk3RjzF6rWowo3lItWMTCJqCOll:RHsQ9ovLSvcrh9+tW40O7

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.fibraunollc.top
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
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 2 IoCs

pid	Process
3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

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
22	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1544	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
1544	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\ttningslisternes\Poulardes50.sto	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
File opened for modification	C:\Windows\resources\0409\backstrap\lejekassernerne.Osc55	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.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	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
1544	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95
PID 3020 wrote to memory of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95
PID 3020 wrote to memory of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95
PID 3020 wrote to memory of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95
PID 3020 wrote to memory of 1544	3020	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe

C:\Users\Admin\AppData\Local\Temp\248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
"C:\Users\Admin\AppData\Local\Temp\248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.exe
  "C:\Users\Admin\AppData\Local\Temp\248ee27dc6af4db223815e90c43103f7d96462a2ce88c0cfbfa2b25673c90ac2.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:1544

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsbE2B0.tmp

Filesize
12B

MD5
e456acec0ef7fda3aef06b03bb007e2f

SHA1
a7168146dd22139e81563b24beb736179d1c8370

SHA256
73842f82df7cfef99c471c4301ef8130ddcd65d831b069b880bd71695d2bf607

SHA512
c641ae2e8961562f5fd0f2d258742b024c6564b3f3b6a1d3d642d72bf47a1d6c208055e31dc467a3ea41b7bac658bcbab6e1746daf08fe2484f0c860fb88d475

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbE2B0.tmp

Filesize
19B

MD5
a82a5da452642ddab3a7ee07f7c408df

SHA1
cf937f2e7e57c21beaf57a2b7e0c4b77f37c63f7

SHA256
84911471a6124a186d240b3b67eed83ba5a0a7cb911eefc790712d936c83d568

SHA512
73ed822f62f762e6e8902b4a5c31ea9a0501926d2dd512f5e5285d39fa8b31e82e61294c99c341e0f2046d0cb0351396e8d97afc0ddc71d37c9b680cf757f5a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsdE749.tmp

Filesize
10B

MD5
fa5eb52a9735c883abcf72a7f9cf2254

SHA1
a043e3d3df1605300a2f5629ad7a302082814956

SHA256
40ccdff1a037de0fb10d03ea9fe79c2c96e7f18c3c7dffd92b42c2f0ed749116

SHA512
983e3f605f34f74e95db170da28f2584a74bf4d0047ea76c905c409e624d9db2a439e70beb07d8f879fb25549da52bb9cac6304281e2582d6e5b1b4f12ac21f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsdE749.tmp

Filesize
19B

MD5
9b81480d3420dfa314a7ca8c685e3c0f

SHA1
1bd4068ee9af7a94d6c59c563f191783b158c65b

SHA256
ef5767399ab18e9604a1ce029f5ef4228a2421f599ab580bfff4e2e4fb6b409d

SHA512
2b5ecd729d0a9b22e1744a17051745d929c686b14e3815787769d2d9577ccdf12686201a48c64103fa11d8525e70074300ea95d5e23b09bbd5df9e6752bb4731

Download Submit
C:\Users\Admin\AppData\Local\Temp\nshE3BB.tmp\System.dll

Filesize
11KB

MD5
6ad39193ed20078aa1b23c33a1e48859

SHA1
95e70e4f47aa1689cc08afbdaef3ec323b5342fa

SHA256
b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2

SHA512
78c89bb8c86f3b68e5314467eca4e8e922d143335081fa66b01d756303e1aec68ed01f4be7098dbe06a789ca32a0f31102f5ba408bc5ab28e61251611bb4f62b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnE69C.tmp

Filesize
6B

MD5
50484c19f1afdaf3841a0d821ed393d2

SHA1
c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

SHA256
6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

SHA512
d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnE69C.tmp

Filesize
8B

MD5
c3cb69218b85c3260387fb582cb518dd

SHA1
961c892ded09a4cbb5392097bb845ccba65902ad

SHA256
1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

SHA512
2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnE69C.tmp

Filesize
49B

MD5
60368bfdbde845633fbdb631d01c69af

SHA1
4b3a68b98d054ddd465dd03bf7b791266aa3ef25

SHA256
1348ddead6b30e22258a0bbbb45246cba7c9bbe21348d28e857063ea0bcbfdf1

SHA512
0faec262e08ca6c903521e53ac286c828b268f2df71db7b55bf38a1d43cc07e09605da65745c47a4cdf928f093b9ebedf66e9269f7ad8541c9f907801008f6ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnE69C.tmp

Filesize
56B

MD5
2563ed9a5f15b7b75be13f254f868dca

SHA1
fe6f09d0fc7344e54543161695dd2f6b8ed1455f

SHA256
984d94c5fd030638553b8398a286b3c3593be044bc951c27ab633befad97e761

SHA512
7b4fd2210322a8bce12ec71cab491826d6d6be4d63007eee4301ae5fe6b5b5774f05a9c084a9328ef013141023842a599eb46208ba32b1955377b2f9033e33a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
1B

MD5
8ce4b16b22b58894aa86c421e8759df3

SHA1
13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

SHA256
8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

SHA512
2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
2B

MD5
25bc6654798eb508fa0b6343212a74fe

SHA1
15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

SHA256
8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

SHA512
5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
3B

MD5
4e27f2226785e9abbe046fc592668860

SHA1
28b18a7f383131df509f7191f946a32c5a2e410c

SHA256
01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

SHA512
2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
4B

MD5
cde63b34c142af0a38cbe83791c964f8

SHA1
ece2b194b486118b40ad12c1f0e9425dd0672424

SHA256
65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

SHA512
0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
5B

MD5
e2fecc970546c3418917879fe354826c

SHA1
63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

SHA256
ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

SHA512
3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
9B

MD5
2b3884fe02299c565e1c37ee7ef99293

SHA1
d8e2ef2a52083f6df210109fea53860ea227af9c

SHA256
ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

SHA512
aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
10B

MD5
9a53fc1d7126c5e7c81bb5c15b15537b

SHA1
e2d13e0fa37de4c98f30c728210d6afafbb2b000

SHA256
a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

SHA512
b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
16B

MD5
6cc8ad9db8f0ba7f81660ccd69b64a98

SHA1
91dc056ad77f912e803c37ffea075118f19e7634

SHA256
cc88cad1427b013d4e18f53bbcf978b7d06baae78929230ef5c7ff06d2b8f03d

SHA512
94272e4a4b39622a108f0d11fffc37825719aa911720c9a39482198e8360cbd11fdcd5535fa765f3c8677375da930f5dfd8408c3135bddd7a5a954397c85866a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nssE534.tmp

Filesize
54B

MD5
3530051cabbb49cf27e05fb5d0081b02

SHA1
49f48d07329ec9d9e12a74e6d516c35fd4dcc68c

SHA256
17874b4305e6623f5490e458bb695490f31ef79111435e010ad2fc8446029a19

SHA512
48d9f91bcc3a06aecc6b0508cf19bf8b090248b10f9ccbe930a7a009cef71131b6609b13d43abeca72c3b945e33da5ec0eba867f1b8d0bccfb2094237deb0152

Download Submit
memory/1544-580-0x0000000077C71000-0x0000000077D91000-memory.dmp

Filesize
1.1MB

Download
memory/1544-576-0x0000000035930000-0x0000000035ED4000-memory.dmp

Filesize
5.6MB

Download
memory/1544-585-0x00000000369F0000-0x00000000369FA000-memory.dmp

Filesize
40KB

Download
memory/1544-584-0x0000000036900000-0x0000000036992000-memory.dmp

Filesize
584KB

Download
memory/1544-571-0x00000000016E0000-0x0000000002EE0000-memory.dmp

Filesize
24.0MB

Download
memory/1544-572-0x0000000077CF8000-0x0000000077CF9000-memory.dmp

Filesize
4KB

Download
memory/1544-573-0x0000000077D15000-0x0000000077D16000-memory.dmp

Filesize
4KB

Download
memory/1544-574-0x0000000000480000-0x00000000016D4000-memory.dmp

Filesize
18.3MB

Download
memory/1544-575-0x0000000000480000-0x00000000004C8000-memory.dmp

Filesize
288KB

Download
memory/1544-582-0x0000000036830000-0x0000000036880000-memory.dmp

Filesize
320KB

Download
memory/1544-577-0x00000000357E0000-0x000000003587C000-memory.dmp

Filesize
624KB

Download
memory/1544-578-0x00000000016E0000-0x0000000002EE0000-memory.dmp

Filesize
24.0MB

Download
memory/1544-581-0x0000000036640000-0x0000000036802000-memory.dmp

Filesize
1.8MB

Download
memory/3020-567-0x0000000004A10000-0x0000000006210000-memory.dmp

Filesize
24.0MB

Download
memory/3020-568-0x0000000077C71000-0x0000000077D91000-memory.dmp

Filesize
1.1MB

Download
memory/3020-570-0x0000000004A10000-0x0000000006210000-memory.dmp

Filesize
24.0MB

Download
memory/3020-569-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download