MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f
SHA3-384 hash: 3949b44d4016faed858a737d69892ea8646b812242867d97e52c06cbb114929ac3ac6ccf2dc6052648e9a754459b6156
SHA1 hash: c96d6d2b664f7718cf83d2d1b8b79acd892bac07
MD5 hash: cce0f752c08f2d4d57a336bcd7451ae0
humanhash: carbon-maryland-autumn-berlin
File name:PO022159 -(signed 220425).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:912'896 bytes
First seen:2022-04-27 18:34:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:f/9qM0VFn/IxSqAZ84fAcrCXK4dCDQlMfilQNMaGkMi0n1FpmrVN3KtBLe5:f/92//1qAZ84YdAQLQNlMi0xmrVEt
Threatray 15'149 similar samples on MalwareBazaar
TLSH T12B15022AE7B3DA11DD945B73D0DAA41843B2BE078523D70F79CD336A89233478D06B96
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/267300/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.2218.13227.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62698ca75c1970f8bbdf690d/reports/45a9da39-e56f-4d17-9db8-8ad515e66d5a/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eaed1d99-7781-45ac-85fe-640510ec5843
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/984295
Signature
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
Self deletion via cmd delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 616791 Sample: PO022159 -(signed 220425).exe Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 11 other signatures 2->45 10 PO022159 -(signed 220425).exe 3 2->10         started        process3 file4 31 C:\...\PO022159 -(signed 220425).exe.log, ASCII 10->31 dropped 13 PO022159 -(signed 220425).exe 10->13         started        16 PO022159 -(signed 220425).exe 10->16         started        18 PO022159 -(signed 220425).exe 10->18         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 20 explorer.exe 13->20 injected process7 dnsIp8 33 maktabeahlesunnat.com 162.215.249.113, 49752, 80 PUBLIC-DOMAIN-REGISTRYUS United States 20->33 35 fxlive.online 104.219.248.26, 49796, 80 NAMECHEAP-NETUS United States 20->35 37 8 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 24 rundll32.exe 20->24         started        signatures9 process10 signatures11 49 Self deletion via cmd delete 24->49 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-26 09:32:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4z326rzawc3ealelm5zglfufihp2nnl7cjly65ybvscaxupqrcpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05a096d0b32ba6a4ef81bdf3794aaaffbae69c71c7bbe9506db9ebe30e168e4e
Formbook
2c9a7034a9d5463d3c4e91dd5b652c91e906864b1731933397b41662bf85d0d2
Formbook
3859da72cd34fc9b4ebe2ff100a3d888845836f4945bf2bcdfb83d5d0d16508a
Formbook
452d42cbe3b01ab9afd5799a25d153b0f427a383b97c28d4bf4e1830c501ab8c
Formbook
50d25ef6868b83e6b25fdf60d4a2c83824f2278d121babb6a3a548e53bea4ea0
Formbook
5e6a07d2d47e34283f9467d1b4a03e8021a6d5225b93d88096b269fd6f7790da
Formbook
8eedc524cbcf57998c67472c72d0db19becad221e770bea32486deb9661d3fd4
Formbook
ce7d3bdad0d089583e735635f3d475e11dde86d0ad1c76d8735085a9ec031d96
Formbook
d34ad18fe8d593f0cf5cba1fc1727d59ff6ecbf07d9537be57c2d9e78e854c8c
Formbook
+ 15'139 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:amdf rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220427-w8brnachej/
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
672d7f465410e694e1440c445c7e327cc45b9b85b7cff8cbcee1037f462da326
MD5 hash:
f585b0d027c6b12b0fb8f1b9854e796d
SHA1 hash:
14cfb5cb7dfdd5d87a4cdace85b771d17e3a6dac
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8ef22142-4327-42a0-a4a9-2f2f03bd59d5/
Parent samples :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 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
Link:
https://www.unpac.me/results/8ef22142-4327-42a0-a4a9-2f2f03bd59d5/
SH256 hash:
2f37f6c62ae70f9462affccdebcb5151474cc504888a63bf3b9ddf120c8ff461
MD5 hash:
642d9116eb91ef4ffeb93f6fed66d60a
SHA1 hash:
8170a9f98087ea857403a3e006f4eb864af519bc
Link:
https://www.unpac.me/results/8ef22142-4327-42a0-a4a9-2f2f03bd59d5/
SH256 hash:
069ebcfb8d2410b35b1925349f86b8b0eb1f12780e609dcb73c93b90a1f58e39
MD5 hash:
35609cfc59ea885130675e20e8997bc4
SHA1 hash:
511bd2cf04e621a83e133cbbc5be483436b1009f
Link:
https://www.unpac.me/results/8ef22142-4327-42a0-a4a9-2f2f03bd59d5/
SH256 hash:
e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f
MD5 hash:
cce0f752c08f2d4d57a336bcd7451ae0
SHA1 hash:
c96d6d2b664f7718cf83d2d1b8b79acd892bac07
Link:
https://www.unpac.me/results/8ef22142-4327-42a0-a4a9-2f2f03bd59d5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e677af4720b0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f

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.

Malspam

Formbook

Executable exe e677af4720b0b6402c8b677265968541dfa6b57f12578f7701ac840bd1f0889f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/267300/

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