MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b. 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 4 File information Comments
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SHA256 hash: ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b
SHA3-384 hash: 42e149615c479eb07ab969bbfdad15c21ee53a28bfed8ad26f323848454a7a2b2eef5395bb8716bfc0a42492325e914e
SHA1 hash: ffbc5d823f8ae3f345bd293a5bd4768c7d928d22
MD5 hash: 1d074d6849e4b294bcdcf065b139374a
humanhash: bravo-autumn-robin-five
File name:SOA OCT-NOV 2021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:480'256 bytes
First seen:2021-11-02 07:35:24 UTC
Last seen:2021-11-02 12:55:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:R1GvIl1tgabTuoDj0J8Ua7Iak7GPe3k8Zvg1LgyDpxC3w4uuCyZX4EPJ1SxAa4jw:3zbTlgJ8KX7l3Lm1psEOPJ04AL
Threatray 11'074 similar samples on MalwareBazaar
TLSH T1E9A4D0D262E49625D5AE4FB410312D7053B37E5E2D28F6EC6D9878D77A73BC24220B83
File icon (PE):PE icon
dhash icon e9c0889999add0a8 (6 x AgentTesla, 2 x Formbook, 1 x AveMariaRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA OCT-NOV 2021.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 07:43:23 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ad435878-de48-4655-a3f1-1a90ebae61d2

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/201311/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.47300229.15364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6180ea659982ff7c3f7a4e64/reports/d4bb3a99-d1a6-4664-b8d2-d9b336492030/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e7c6600f-d894-4f8e-bfe4-292bdea9f098
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881032
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 513467 Sample: SOA OCT-NOV 2021.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 8 other signatures 2->42 10 SOA OCT-NOV 2021.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\SOA OCT-NOV 2021.exe.log, ASCII 10->28 dropped 52 Writes to foreign memory regions 10->52 54 Allocates memory in foreign processes 10->54 56 Injects a PE file into a foreign processes 10->56 14 RegSvcs.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 30 dualstack.sni.bigcartel.map.fastly.net 151.101.1.211, 49810, 80 FASTLYUS United States 17->30 32 www.theremodelpainter.com 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wscript.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-02 07:36:06 UTC
AV detection:
6 of 44 (13.64%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rpwyxdpokxcvy6p7ojjzlschn5rpqbw5s6ovg4d3kuevcipie5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
Formbook
221f20319954181ff4d7b4edb299d7eb00c2a20bc1c6c3dff99d2374ae084000
Formbook
3c5d2a990e487ad59a140909b2e6047494467b163f6696be5e247f644e4c3210
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
638394ba0aa51689488ddd944d4b358f02fde988c65842110bdc089e04e9f138
Formbook
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
Formbook
d5a298726b4735d30f3af5331c0a8dc948178a7a776c5961497ceb6fb64ea975
Formbook
f840ca48e6381b385534156b8245c39dee4d1c95e18569c91b5537ff2f20aa7d
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 11'064 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pp1a rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211102-je9elsghdn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.christophebigot.com/pp1a/
Unpacked files
SH256 hash:
3eab214c27f6d4b1dfc0ec80924c1758bde999ff6ef43f1d4c09c000e8005ce4
MD5 hash:
97aa7f6f2f8a4c1b5bcfb9bee26e3e12
SHA1 hash:
b3f3a6a1ee6454c73ef0680b818c0181b470f20a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/221db8f9-dfd9-45c6-8e97-11418daf658d/
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/221db8f9-dfd9-45c6-8e97-11418daf658d/
SH256 hash:
1f5f4950e1cdbfe2b75cd567ede922fd4af58cfe7709576d64b6e84835d528ed
MD5 hash:
f378266dc8f361b2d913a8bff2102144
SHA1 hash:
5e5142638d484c1ffec978539f6137dc7be51216
Link:
https://www.unpac.me/results/221db8f9-dfd9-45c6-8e97-11418daf658d/
SH256 hash:
ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b
MD5 hash:
1d074d6849e4b294bcdcf065b139374a
SHA1 hash:
ffbc5d823f8ae3f345bd293a5bd4768c7d928d22
Link:
https://www.unpac.me/results/221db8f9-dfd9-45c6-8e97-11418daf658d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b

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_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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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.

Malspam

Formbook

Executable exe ec5f6c5c6f72ae2ae3cffb929cae423b7b17c036ecbcea9b83daa84a890f413b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201311/

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