MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e72b496568d5e3642cc7fd51eb254a9003bcfed6726b52a341125155fa92e6a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e72b496568d5e3642cc7fd51eb254a9003bcfed6726b52a341125155fa92e6a
SHA3-384 hash: cbc78d29237ac1d214dcb9b7265b79cffe663c72584d54220ad25e5ba4e3b91ba74e6668dbc407ea7cfa75c56f8bd38f
SHA1 hash: 32d57b03ce3224fe713d68f1d977e30db34dd797
MD5 hash: edcb0cd82bc5fa4959a54a6258614c8e
humanhash: yellow-lake-sink-oregon
File name:Factura de proforma.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:731'136 bytes
First seen:2021-10-07 07:50:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 084e48e92f4580f89c1870369272c803 (6 x RemcosRAT, 4 x Formbook)
ssdeep 12288:/JaPNAThXhtarJfdFnAdNFBZEz81O+tIin4uq8:mWVhtsJVFnAZ3o81Ohin4t8
Threatray 9'994 similar samples on MalwareBazaar
TLSH T1DEF46C36E25E467AC1933BB2AD0E91F754287D94A608F2C708EEDB8D79743D69B104C2
File icon (PE):PE icon
dhash icon 52b232f2b98c8699 (7 x Formbook, 6 x RemcosRAT, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook geo ROU

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Factura de proforma.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-07 08:08:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ad346e73-e857-4ada-9cd5-33375efa987c

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/195675/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.28876.2518.17436.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Deleting a system file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger packed
Link:
https://www.filescan.io/uploads/615ea6ea98a6280f39337bad/reports/b71cbfd5-b2a8-48fd-b69a-3a0ce36fa5e1/overview
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/866149
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 498579 Sample: Factura de proforma.exe Startdate: 07/10/2021 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 5 other signatures 2->40 10 Factura de proforma.exe 14 2->10         started        process3 dnsIp4 32 cdn.discordapp.com 162.159.133.233, 443, 49743, 49744 CLOUDFLARENETUS United States 10->32 50 Writes to foreign memory regions 10->50 52 Allocates memory in foreign processes 10->52 54 Creates a thread in another existing process (thread injection) 10->54 56 Injects a PE file into a foreign processes 10->56 14 mobsync.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.welenb.com 17->28 30 www.mariangelamata.com 17->30 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cscript.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e72b496568d5e3642cc7fd51eb254a9003bcfed6726b52a341125155fa92e6a/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-10-07 07:51:07 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzzljfswrvpdmqwmp7kr5msuveadxt7nm4tlkkrucesrkx5jfzva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e18df1488198f73ac693eac37584967930540fcaaeca8403f4d8fa2c1126bcd
Formbook
1ddb357041ae22e5c39f309d8432bf9b64e5b07ee9fcf578b7d94543005714fa
Formbook
1f472784494710200607f381849c6e3ea4f09f2ded2e84a1734ab5fdbd25d1de
Formbook
3d46460aaf215354db83b8299f13c6574f1792582add090d05ec38107c377e23
Formbook
6a4a8564e5f578a122a6d5341dd34a4f7f7d196acfc28b3f61b90151a9e545dc
Formbook
6f2d89be3ad71500945dd3d430fd6bc2138b9d0e641cb201b62853578bd2f0b4
Formbook
c7079003367b65e2995cb47d1a688a659e3b54215b8abca7a99bf4c791b216e3
Formbook
d21cbbc50e85c872732a119f1c0d567a54cd6a75c512c3bf84baba8a8fbfc97d
Formbook
df2cd1e31e0ca0bb7210ee5382d2c1927d558920827e15843e0faf4010a03e94
Formbook
+ 9'984 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bc3s rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211007-jpvdfacccl/
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.topei-products.com/bc3s/
Unpacked files
SH256 hash:
18d5f2bb4c00c8e6fb62f43bc3878c615b600ec26bc25b98204cc2e945cd175a
MD5 hash:
b0d9d156b07f2199b3334fc6564c133d
SHA1 hash:
0c39614273b857121740e0142d1d9809de8bc41b
Link:
https://www.unpac.me/results/ec0ffdfd-f620-4588-bca0-299760e4e730/
Parent samples :
b400601e35e72a20ca4a0fb19af7a93ddeddcd568674232cabb6c1e05ce4fd07
a643235802bd118331000b4a251952815382078dd0aaaded76e4a8890bbac5f6
33b01cf0eb422d872201670e34b732f76c980ae7ccb016068438272ed426a50b
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
a97b00620e1e8ef9ef5c5f922f5b40ecf698504402d3e14979701c330bef7b56
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
1e54beecbd654f17bab2c6f883ea089943d68ae3e49aaea079182173dc203297
a0703367806de16bac9c75c016780c0bf3b1d8c21cf7f51b6a47b6a1aba74999
1ed62fd139d5efe1cb2650f52cf405d615dc19dae62744df9fb364cd1970a4bc
ffb6236e6dd03ba2599326f3d83d2ffabf8ab18902f1865aa0a68f1881e31978
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
8f1eefd14608fae865576d9f7a24be116eb9d8dcebf89c954e2e645b06174c4e
f86258665b68d70e83397ac4ef17598c552b994dd13f26b8208c4d40b8e94816
ed78db064dfb4ae791498b2d08410a69bdad684ff709319d179c2383dd8e2f1c
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
d86532a631143032da8dd4e4fd86cbaed87777ef2ede4a60377d534cb9ea7271
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
ffb0bd5cf5a1716fa50f01a4b4fd98d396842c7c263d3ce03623748430b30a93
a2067e35b12b83ddae55145931870302de477b5ccce82a5e86ea7bf8e057d8d7
a2539269c2b9200d7baed9f0dfc25b59fd4713a641d79fd9bd13272c7e1296ca
0aff281c192e919ce8a4e2091a058aa3c8fab2379dd50d7dd7ac7217af4dc838
cc8b096d71a4734e17e6f1bcf10d9730e5a2b3ab15b7e89852a4cdd204563d29
1e24e03e9ffdbe39ca8d357d0130aff5c50f2ddd7b2f613ab9dc01f02d0527d3
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
SH256 hash:
1e72b496568d5e3642cc7fd51eb254a9003bcfed6726b52a341125155fa92e6a
MD5 hash:
edcb0cd82bc5fa4959a54a6258614c8e
SHA1 hash:
32d57b03ce3224fe713d68f1d977e30db34dd797
Link:
https://www.unpac.me/results/ec0ffdfd-f620-4588-bca0-299760e4e730/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1e72b496568d/report/overview.html
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/1e72b496568d5e3642cc7fd51eb254a9003bcfed6726b52a341125155fa92e6a

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/195675/

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