MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862
SHA3-384 hash: b1c4e7469591b8b1cd78a764f8c05d70cb107125c5542088fea252d88c58593a50a46e3390e530fe1c06117705d02e46
SHA1 hash: 26008fa7825a80dd7e053c5b9adb39c22a7cb95c
MD5 hash: b2989f70770ee0bb7a0ea356ee89db29
humanhash: magazine-golf-two-nebraska
File name:dagrejses.com
Download: download sample
Signature GuLoader
Create hunting rule
File size:286'920 bytes
First seen:2022-07-12 06:17:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 6144:9DfeUCgn8VakzXmPZnrpTSY7QGrf+0vVPnoL:xHgchr7dvVS
Threatray 3'364 similar samples on MalwareBazaar
TLSH T12054CFC2E16484DBED7A0BB2683BAC2424E77D6E95F0111F179AB7686773383011F91B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0f07030707073907 (1 x GuLoader)
Reporter GovCERT_CH
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:numismatically SKRSLIBERES Trios8 oceaned
Issuer:numismatically SKRSLIBERES Trios8 oceaned
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-12T02:39:55Z
Valid to:2023-07-12T02:39:55Z
Serial number: -3845a1288c5ba902
Thumbprint Algorithm:SHA256
Thumbprint: dd5876ab1ab992c78020048b4706aa1f0c8fc8ab0b11619225de91670d95f226
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dagrejses.com
Verdict:
Malicious activity
Analysis date:
2022-07-12 06:21:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/08a156cb-a9ce-4537-8b9e-50ffb283a9f4

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/286438/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
DNS request
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62cd125d22051a09ca734250/reports/45989fd6-312d-4848-a58c-ce555d528ff4/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/e60c3665-c4f4-4719-b700-4e37a06a9795
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1029133
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Submitted file has a suspicious file extension
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 661626 Sample: dagrejses.com Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 59 www.zabrodriguez.com 2->59 61 www.ypk-544u0y.xyz 2->61 63 38 other IPs or domains 2->63 85 Submitted file has a suspicious file extension 2->85 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 8 other signatures 2->91 11 dagrejses.com 6 27 2->11         started        signatures3 process4 file5 53 C:\Users\user\AppData\Local\...\System.dll, PE32 11->53 dropped 107 Tries to detect Any.run 11->107 15 dagrejses.com 6 11->15         started        signatures6 process7 dnsIp8 71 diablodeals.com 66.90.95.11, 443, 49770, 49817 COGENT-174US United States 15->71 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Tries to detect Any.run 15->75 77 Maps a DLL or memory area into another process 15->77 79 2 other signatures 15->79 19 explorer.exe 3 6 15->19 injected signatures9 process10 dnsIp11 65 www.graveyardjazz.com 64.98.145.30, 49818, 49819, 80 TUCOWS-3CA Canada 19->65 67 www.usefuldiameter.com 103.224.212.220, 49806, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->67 69 22 other IPs or domains 19->69 51 C:\Users\user\AppData\...\0xilv_2oh8r.exe, PE32 19->51 dropped 93 System process connects to network (likely due to code injection or exploit) 19->93 95 Benign windows process drops PE files 19->95 24 colorcpl.exe 1 12 19->24         started        27 0xilv_2oh8r.exe 17 19->27         started        30 0xilv_2oh8r.exe 17 19->30         started        file12 signatures13 process14 file15 97 Tries to steal Mail credentials (via file / registry access) 24->97 99 Tries to harvest and steal browser information (history, passwords, etc) 24->99 101 Writes to foreign memory regions 24->101 105 3 other signatures 24->105 32 cmd.exe 2 24->32         started        35 cmd.exe 1 24->35         started        37 cmd.exe 1 24->37         started        39 firefox.exe 24->39         started        55 C:\Users\user\AppData\Local\...\System.dll, PE32 27->55 dropped 103 Tries to detect Any.run 27->103 41 0xilv_2oh8r.exe 6 27->41         started        57 C:\Users\user\AppData\Local\...\System.dll, PE32 30->57 dropped 43 0xilv_2oh8r.exe 6 30->43         started        signatures16 process17 signatures18 81 Tries to harvest and steal browser information (history, passwords, etc) 32->81 45 conhost.exe 32->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        83 Tries to detect Any.run 41->83 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-07-12 03:45:54 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cio24so2z4jjbnppjxsxpiarmg2shwpn7ble7j3f47aavrwdxbra._file
Verdict:
suspicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
083a3fd47e58d83c6a4265bcb00f93d30cc2901d6637ae9648411e83d3ad5017
GuLoader
2fe1aace85b4bf69778fce02eaba9c3d1a139fd40770d6296d3fd9970efacb18
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3faa50f804161625bca7b0f900367c6f6f127a40a0914cdf2d47a463d69795b6
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4539d9c199b2fb7c37b08ab4ef32c6edd3e3e26f53f2289fa6ef3eb970cf8970
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9357b03da4163feee42bc9b5e8c86772bfb73bdd5c8ee546bfad1e8c06f69774
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b920c8e03050d0edb34c60f894105d65f847a66bb4f61259b70eca039adf1e3b
GuLoader
dbab95bfe56a7e0a0425eb323f49f545f236168494f79e440279470d0af5652f
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dd88182da9939749fdd467feebff34fb9e039a30a8a82756f0337a205620ef07
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e6e567b85bb3353470cbb04e6b934b7fb9c968b36eabee877fa5a7afec9ee2b0
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e9ecd6320125813e0eccee9cb2577c8f55f4d0a29d4d65c26cfc3a3a99198b6b
GuLoader
+ 3'354 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220712-g2lkyshbe3/
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
Link:
https://www.unpac.me/results/68cf7985-a3dd-4dbb-9f8d-f73a1750a9f3/
SH256 hash:
121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862
MD5 hash:
b2989f70770ee0bb7a0ea356ee89db29
SHA1 hash:
26008fa7825a80dd7e053c5b9adb39c22a7cb95c
Link:
https://www.unpac.me/results/68cf7985-a3dd-4dbb-9f8d-f73a1750a9f3/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/121dae49dacf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

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

Malspam

GuLoader

Executable exe 121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862

(this sample)

  
Dropped by
guloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/286438/

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