MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467. 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


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467
SHA3-384 hash: 6500a9c4d964e5634587bfeb8f71c48aaef81d89663edf715893675f325c3ca8515e453adeaf5a17e7f9eb501fbe1b7f
SHA1 hash: 8b03c20129d58ac90df387c1fa830f47ff23d7db
MD5 hash: a1b76d5d8c07348844740e4b0435e041
humanhash: magazine-equal-green-potato
File name:936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467
Download: download sample
Signature Formbook
Create hunting rule
File size:632'304 bytes
First seen:2023-04-05 10:22:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (276 x GuLoader, 37 x RemcosRAT, 23 x AgentTesla)
ssdeep 12288:xrAE0M9a6pC19uE9NPUYNpPxXoJw8gTHz6:xrAE04a6s1MyPUYbPiZoT
Threatray 412 similar samples on MalwareBazaar
TLSH T151D4CF90D299FCE6D40B31B6BC3CE526291BEF1F9774092A232A7D1665733832466D0F
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 f6c6c6ccd8e298e8 (7 x GuLoader, 1 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-02-02T08:43:42Z
Valid to:2026-02-01T08:43:42Z
Serial number: 78842680627b863346c8dd3039240cef95f203d2
Thumbprint Algorithm:SHA256
Thumbprint: 32762ca3311b9216aab90ccfb6a13dd734e7ab6504945a837529045f62c854d0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
alert.email(15).txt
Verdict:
Malicious activity
Analysis date:
2023-03-29 13:24:45 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/17514353-f1c7-4c7b-bbec-03196cb67591

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/380214/
Detection(s):
SecuriteInfo.com.FileRepMalwareMisc.20789.18575.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76607/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642d4c087dc0445b238911bb/reports/a0acaa13-d610-4cb7-8434-fa887fdb2ce9/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467
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/44101d3e-7084-4aac-b867-c4fa3df8950b
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1203370
Signature
Found potential ransomware demand text
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
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: 836281 Sample: Scientize.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 37 yourbestversioneua.com 2->37 39 yazilimyolcusu0.com 2->39 41 33 other IPs or domains 2->41 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 3 other signatures 2->59 11 Scientize.exe 2 34 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 31 C:\Users\user\AppData\Local\...\dwdcw20.dll, PE32 11->31 dropped 33 C:\Users\user\AppData\...\VMwareHostOpen.exe, PE32+ 11->33 dropped 35 2 other files (none is malicious) 11->35 dropped 14 Scientize.exe 6 11->14         started        process6 dnsIp7 49 googlehosted.l.googleusercontent.com 172.217.16.129, 443, 49794 GOOGLEUS United States 14->49 51 drive.google.com 172.217.18.110, 443, 49793 GOOGLEUS United States 14->51 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Tries to detect Any.run 14->73 75 Maps a DLL or memory area into another process 14->75 77 2 other signatures 14->77 18 explorer.exe 3 1 14->18 injected signatures8 process9 dnsIp10 43 www.jonnex.info 184.94.212.62, 49828, 49830, 49831 VXCHNGE-NC01US United States 18->43 45 yourbestversioneua.com 108.179.252.69, 49873, 49874, 49875 UNIFIEDLAYER-AS-1US United States 18->45 47 17 other IPs or domains 18->47 61 System process connects to network (likely due to code injection or exploit) 18->61 22 wlanext.exe 13 18->22         started        signatures11 process12 signatures13 63 Tries to steal Mail credentials (via file / registry access) 22->63 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 67 Writes to foreign memory regions 22->67 69 3 other signatures 22->69 25 firefox.exe 22->25         started        process14 process15 27 WerFault.exe 4 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-28 09:27:17 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=snvkd2stvawrx6i445abm64i476vzbcjtban4pa2t3qayvw7grtq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ad287dbe151a940761d048d0a6214c15970455280ef7c98c240c223bf0a7a73
Formbook
8848260baf85d9da96dcabdb756b5ac0fd6449361ad497d6e68a81cfe8565aad
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b1ce73dac896a841321b1f502bcc32313de930cd0e5561874e51e80dc7cb06cc
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e196ce44b613d3beb9880da41e6c2cb4411c5e49b54c7fa8ffd77d363a0f8dfa
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e904274bd2e5d919c63c6db8c82f908abc10d65fdba772596e2953ab708b1726
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f51bdb3c0026435904048abffb411be8b57143de59d0e66a3e2dfa3f2e5692ad
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fb4c3c803b69b2823f0bb584ef77da38f17eaf18184058249b6dd7664234cb53
Formbook
ff3949d2a8e0d6b08d2b8b643cdfc6a26f44352da217b4a537e9c16d96ed7198
Formbook
+ 402 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230405-meszeadb22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/882ceeed-4a3b-4b85-9ebb-c8574da0b602/
SH256 hash:
13674c90d4c98376d509beb8e81e61daba16d6c66492238746777ff88cd1d6a5
MD5 hash:
6e6d146807eeb6c2b0d0349a3b6157ad
SHA1 hash:
5eeff5fc7e5a269a33f5f110e766af66230c4bbe
Link:
https://www.unpac.me/results/882ceeed-4a3b-4b85-9ebb-c8574da0b602/
SH256 hash:
a96653721cca1c813b7ce313ff50015b06e6ac95cca14f0e83c7b72bfc35959b
MD5 hash:
553078c22fab4d8643fb877a4846553b
SHA1 hash:
269b14ff3c7c89f348a6d64d3c39899dfb2a8e2a
Link:
https://www.unpac.me/results/882ceeed-4a3b-4b85-9ebb-c8574da0b602/
SH256 hash:
936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467
MD5 hash:
a1b76d5d8c07348844740e4b0435e041
SHA1 hash:
8b03c20129d58ac90df387c1fa830f47ff23d7db
Link:
https://www.unpac.me/results/882ceeed-4a3b-4b85-9ebb-c8574da0b602/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/936aa1ea53a82d1bf91ce740167b88e7fd5c84499840de3c1a9ee00c56df3467

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:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/380214/

Comments