MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GuLoader


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849
SHA3-384 hash: d3f4cdd4ec11886b3883e81dc40118766193f57d1b40e4fa57ef2751d0a3343a2b5d9ad0c356d4f8794042505ca74a17
SHA1 hash: 8507c24f624e17abcd03bac2a125f5effad52295
MD5 hash: 5de8a53252f7936c76faed665958ede7
humanhash: solar-emma-jersey-cup
File name:rIMG-WAA0211202.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:319'456 bytes
First seen:2023-11-22 13:43:07 UTC
Last seen:2023-11-22 13:46:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:KNeZz2KU3/oXHSR0a/r8Z6YXar2VTXgOQllchjpV:KNTBaHGXrk6Ikm8RlKhj7
Threatray 4'281 similar samples on MalwareBazaar
TLSH T14B64D0C4711181BADF6D833D51728DD25872FD2F19C0CE9B52ACBE26357221389ABB1E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcbc9e8e8cf81984 (3 x GuLoader)
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-04T10:10:17Z
Valid to:2026-05-03T10:10:17Z
Serial number: 63f572c2e9b5ff18a7d23459e0240653bf0fb3bb
Thumbprint Algorithm:SHA256
Thumbprint: ddee7dbf19d6e96e41a397a6949412279902954a598b6d1af5a780fa7901a1aa
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
323
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG-WAA02112023-Disilicid4858792000000000000000.7z
Verdict:
Malicious activity
Analysis date:
2023-11-21 09:29:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/afb218bf-d26d-41b2-91f0-a161c7f48ea9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/459712/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b12df151-255a-4b34-a222-1e8d97072125
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346414
Signature
Contains functionality to modify clipboard data
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346414 Sample: rIMG-WAA0211202.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 50 jouramad288debou.duckdns.org 2->50 52 geoplugin.net 2->52 54 ecox.pt 2->54 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 70 6 other signatures 2->70 8 rIMG-WAA0211202.exe 2 91 2->8         started        signatures3 68 Uses dynamic DNS services 50->68 process4 file5 42 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\System.dll, PE32 8->44 dropped 78 Obfuscated command line found 8->78 80 Writes to foreign memory regions 8->80 82 Maps a DLL or memory area into another process 8->82 12 wab.exe 8->12         started        17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        21 272 other processes 8->21 signatures6 process7 dnsIp8 56 193.142.59.81, 2403, 50167, 50168 HOSTSLICK-GERMANYNL Netherlands 12->56 58 geoplugin.net 178.237.33.50, 50169, 80 ATOM86-ASATOM86NL Netherlands 12->58 60 ecox.pt 94.46.180.55, 50166, 80 ALMOUROLTECPT Portugal 12->60 46 C:\Users\user\AppData\...\Udplantningen.exe, PE32 12->46 dropped 48 C:\Users\user\AppData\Roaming\kesjtie.dat, data 12->48 dropped 84 Maps a DLL or memory area into another process 12->84 86 Sample uses process hollowing technique 12->86 88 Installs a global keyboard hook 12->88 23 wab.exe 12->23         started        26 wab.exe 12->26         started        28 wab.exe 12->28         started        38 5 other processes 12->38 30 conhost.exe 17->30         started        32 conhost.exe 19->32         started        34 conhost.exe 21->34         started        36 conhost.exe 21->36         started        40 268 other processes 21->40 file9 signatures10 process11 signatures12 72 Tries to steal Instant Messenger accounts or passwords 23->72 74 Tries to steal Mail credentials (via file / registry access) 23->74 76 Tries to harvest and steal browser information (history, passwords, etc) 28->76
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 07:05:43 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oocn5sfhue7boco77eyvjqgnpfqfk6mkdh7eodzqyii2teounbeq._file
Verdict:
malicious
Similar samples:
082565f529a27226eeb35df6cce5d636ed368f6e29abbd929af75d07bba5dc5b
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0cf2dbfa57e155dfc6c1258cdbb652945c0309d4af6331562181248b16c2e804
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0dfbcb39efea1cea8c3c9791a44ff4f25cec2866db37651c46b651c62984fe81
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12937c11d2e57fd765506ce887b29efedc923a273464d83524334e061d78224c
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44445625a32c7a252f1c94e15e8db7cbcd0a373d3a857b3e435b63aa5b054e23
GuLoader
4590b8d9933fdb27ee938f2a74b173e7bb923398648d7adbd73991b84b8e69bf
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5dfdaae08c84ddffeb831b0f8e410e09bc71799307e64ae91635332f1d979924
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765df08e3251696e2b088a47a6ed3b9e350d23db3df8a9048b7098fd61ceb8b8
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d057f1dfbb4300f6b2f7bd3615b2c11ac3b28cae1275f43f8b3a5d1e5a3c0b80
GuLoader
+ 4'271 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/231122-q1s33sdd7y/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/2c91f85f-ab46-4077-b683-67c2bc122b18/
SH256 hash:
1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906
MD5 hash:
675c4948e1efc929edcabfe67148eddd
SHA1 hash:
f5bdd2c4329ed2732ecfe3423c3cc482606eb28e
Link:
https://www.unpac.me/results/2c91f85f-ab46-4077-b683-67c2bc122b18/
SH256 hash:
0b2277d8aaf36e01aca3ae33e227b44bebc541a9c5cef6eb4fef93e96821a6cd
MD5 hash:
b1ba7a8263281244782ca5604876cb2c
SHA1 hash:
b8523dee6d7e74512a05c60cc35c0fddac370252
Link:
https://www.unpac.me/results/2c91f85f-ab46-4077-b683-67c2bc122b18/
SH256 hash:
7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849
MD5 hash:
5de8a53252f7936c76faed665958ede7
SHA1 hash:
8507c24f624e17abcd03bac2a125f5effad52295
Link:
https://www.unpac.me/results/2c91f85f-ab46-4077-b683-67c2bc122b18/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Executable exe 7384dec8a7a13e1709dff93154c0cd796055798a19fe470f30c211a991d46849

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459712/

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