MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85
SHA3-384 hash: de58a223734b256dd591e982a0b74a96c2e801ec76e33506cbe1328ada6905a3bb444b9fc87a96e54a58f10be553fc8b
SHA1 hash: e48f00d2e435d9741d340f76a2d95d159cc74f3b
MD5 hash: 3340686730dd1fa9f3fa44c38ac8d224
humanhash: twelve-hydrogen-hawaii-salami
File name:3340686730dd1fa9f3fa44c38ac8d224.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:648'192 bytes
First seen:2023-04-22 10:58:25 UTC
Last seen:2023-05-13 22:42:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:j6CiBXlRKHCXZ8IcxFICx8lYAIL9wix8KjT0Jq2PX05:j6plRKHAnUj3ZsyoJl
Threatray 2'749 similar samples on MalwareBazaar
TLSH T13DD4E074619A8B41E02EDBF12478BC71137134F3E9E9C6380FA666D4CE6BF545884E4B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3340686730dd1fa9f3fa44c38ac8d224.exe
Verdict:
No threats detected
Analysis date:
2023-04-22 11:00:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c00707a9-3c2c-4da8-9bb1-ca943aa65cdf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/384271/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/6443bdf751816ede1d211bf1/reports/5dcff474-f9ae-4521-9374-df22b5a77007/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6048626-890b-4fb4-85cd-2bca3e270da5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1219182
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 852128 Sample: yEk8PKT9Mv.exe Startdate: 22/04/2023 Architecture: WINDOWS Score: 100 33 www.wtpoexpo.one 2->33 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 yEk8PKT9Mv.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\yEk8PKT9Mv.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 yEk8PKT9Mv.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 35 www.leseditionsdupangolin.site 91.195.241.232, 49698, 80 SEDO-ASDE Germany 18->35 37 www.rmpaclub.ru 51.250.88.121, 49697, 80 ATGS-MMD-ASUS United Kingdom 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 svchost.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-21 16:29:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 34 (52.94%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=va5nzch6xclpj6q3bgz5kbb72udptxs7nvuv67qyxm6yiam2xocq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b329233081f419ae224da96afc864a2b2f822822319289ad60a3d2320a6d99f
Formbook
0b89806418ec582854a24adb93fba607c7f27938f2b653a081aefd1a5e419e4f
Formbook
0bf1ad7e3d5f2bdd589d32f36db80fe2862a8b3412c7cfcdef4f839c9339d6af
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
44665e986b18ac11dfc0d8226d232b436310ae04126362e26d9b59cb85b2827d
Formbook
6afbb9ebc94ae5fbc1a98207af3ce84dec75c243605ebbd6b15b721165e4130a
Formbook
7a0e239373c991f758c18775dd9fe07f62c6eb0ed45e74af677352f92bb457f2
Formbook
bd407e66453e00d96368122b1d8761c995aa3a9606995dbd46ec1629debb18ed
Formbook
df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134
Formbook
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
Formbook
+ 2'739 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gtt8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230422-m3d56aee35/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
e811c7f5003f7ad8afff2dc585e2f70789486c016fb562ed7042398ed768de29
MD5 hash:
2f8e388ddef1cb2290916f78999be660
SHA1 hash:
3a6a5b1f7dac5e2640524ed1a1b98f8668cd2ef1
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
Parent samples :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 hash:
686d7a0f616c32c209dbc486d15fc72b99246a22a7063f31bef14cf3dbefc608
MD5 hash:
db1b60e5ba59ba71e3206ff672d10a01
SHA1 hash:
f605cd33fbf3159bc77452cbd78e7f8b4159e65b
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
SH256 hash:
c474a4530d319fc61ace96a2898b7b39ac2e5e77afbbc64621a1f8705401cb6e
MD5 hash:
3795aad7745b91a80a48558010260b34
SHA1 hash:
59dd2b2f604dfc8198b043ff0eb5d6c8217ff1a1
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
SH256 hash:
cf78a0a91585798b47d893f9884b00a9124c0a97718673333dab62c858520248
MD5 hash:
83e0b90bde7956436d8550e9c44c4d1d
SHA1 hash:
425dfceae2066ef023174081cc501e20ce07e70d
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
SH256 hash:
a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85
MD5 hash:
3340686730dd1fa9f3fa44c38ac8d224
SHA1 hash:
e48f00d2e435d9741d340f76a2d95d159cc74f3b
Link:
https://www.unpac.me/results/1386b306-290e-46c5-badf-956f3f384c83/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a83adc88feb8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85

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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2605461/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/384271/

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