MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998
SHA3-384 hash: 890870cd4d8dbadcf23b2356449aec27bee097aa88e590809d9cd3fb7a2c5724bbc6c9c710abb607c7135b376e63235e
SHA1 hash: 5300466a9a3ca11e3f90785ed8a13115e200def6
MD5 hash: 0d7f35bd5d0a8f5e0b52db592ab5509c
humanhash: fruit-kentucky-oxygen-sweet
File name:SCAN_20210112140930669.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:857'600 bytes
First seen:2021-01-12 07:24:00 UTC
Last seen:2021-01-12 08:54:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:oG4KuRgSBrOW3c+TeWHE8ZZ+f+3flAiK9Crg6A:oG4KuRgSBr3c+yWHENf+3fmx9Cri
Threatray 3'368 similar samples on MalwareBazaar
TLSH B8056B51CF929751DBAC17FD1411006227E5CF7AF3E8EB68ED8570B26B76A2802FD182
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm51.hanmail.net
Sending IP: 203.133.180.239
From: 디와이테크 <dytn@daum.net>
Subject: 견적요청_아인테크_20210112
Attachment: 20210112140930669.cab (contains "SCAN_20210112140930669.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SCAN_20210112140930669.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 08:10:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0776db0d-ccb0-4e79-ae20-82038ddea5a9

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/111428/
Detection(s):
SecuriteInfo.com.HEUR.QVM03.0.8B9B.Malware.Gen.12220.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578742
Signature
Antivirus detection for URL or domain
Found malware configuration
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338421 Sample: SCAN_20210112140930669.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 41 cdn.onenote.net 2->41 43 www.sai-re.com 2->43 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 10 SCAN_20210112140930669.exe 7 2->10         started        14 svchost.exe 1 2->14         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\TOYAehanY.exe, PE32 10->33 dropped 35 C:\Users\...\TOYAehanY.exe:Zone.Identifier, ASCII 10->35 dropped 37 C:\Users\user\AppData\Local\...\tmp1F58.tmp, XML 10->37 dropped 39 C:\Users\...\SCAN_20210112140930669.exe.log, ASCII 10->39 dropped 75 Tries to detect virtualization through RDTSC time measurements 10->75 16 SCAN_20210112140930669.exe 10->16         started        19 schtasks.exe 1 10->19         started        21 explorer.exe 14->21 injected signatures6 process7 dnsIp8 51 Modifies the context of a thread in another process (thread injection) 16->51 53 Maps a DLL or memory area into another process 16->53 55 Sample uses process hollowing technique 16->55 57 Queues an APC in another process (thread injection) 16->57 24 conhost.exe 19->24         started        45 www.bloom-cottage.info 202.254.234.73, 49741, 80 SAKURA-CSAKURAInternetIncJP Japan 21->45 47 www.khoetuthiennhien.com 210.145.8.133, 80 OCNNTTCommunicationsCorporationJP Japan 21->47 49 4 other IPs or domains 21->49 59 System process connects to network (likely due to code injection or exploit) 21->59 26 chkdsk.exe 21->26         started        signatures9 process10 signatures11 69 Modifies the context of a thread in another process (thread injection) 26->69 71 Maps a DLL or memory area into another process 26->71 73 Tries to detect virtualization through RDTSC time measurements 26->73 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 06:18:26 UTC
AV detection:
5 of 46 (10.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6spfauzkpzotcl4efhcb4keeqrqwkh3hce42owilmtm56au5xgma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
0cc23a0f8a6800a2641d311eadeab93c924473b309a9a3de7ed61bc258a049a7
Formbook
3f2af5b2d349f4f23fb4ac212666c3d3bdb41fe6976226553022123d78fd7004
Formbook
596479cd77e25e5d6dbf0b421afff049390813cc254ae90f86af00a10bdf6f90
Formbook
857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
Formbook
99aae5746d65a99f7d5f1f289d0acebde486e580abfe29976806204b23de6b8d
Formbook
a99549314a775b28d4fc30ca7b84954e631cf4267d6e76da45d5e61237774988
Formbook
bebdaba9f180c6a34000e35386d3c7a7d31e280089b797adf6df0ca5a770be8f
Formbook
cb3f791cfcb966c99ec610c1efcaf5ef306df7c54723c1915e9b8032f27f3c5c
Formbook
cd1c9c7a21a84a358c7d8ead2412f4b71aba720537ba1a98143f2a2b6450db9c
Formbook
fa096f5605e4404a60f101e6076c2bb2f5f72d306b60cc404dcb9af3710f5a21
Formbook
+ 3'358 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-h6wx49xpw6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.midnightblueinc.com/2kf/
Unpacked files
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/7543cac5-46d1-4754-9baa-1ab314b11c8d/
SH256 hash:
bd4971745691e11f6cc714f3e0cb110c83245e783afccfe3b35974f5939504a7
MD5 hash:
513a274dc8fab66f8f0d758343c43b6b
SHA1 hash:
3e1df025215715a71dae94d827d9b74b8a90c941
Link:
https://www.unpac.me/results/7543cac5-46d1-4754-9baa-1ab314b11c8d/
SH256 hash:
f97565ec848cbd571e1e4702f7007a932b65ef1d9709a2f51b196381bbd74733
MD5 hash:
1c39769851bf066784c416a68cb32f2d
SHA1 hash:
7dc878633ddf8763f4ccf356f67a27fae908d227
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7543cac5-46d1-4754-9baa-1ab314b11c8d/
Parent samples :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 hash:
f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998
MD5 hash:
0d7f35bd5d0a8f5e0b52db592ab5509c
SHA1 hash:
5300466a9a3ca11e3f90785ed8a13115e200def6
Link:
https://www.unpac.me/results/7543cac5-46d1-4754-9baa-1ab314b11c8d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998

File information

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

Malspam

Formbook

cab 565041f19e657044134484cf7c1c6d5f81688f0804088eaab7bf8fd0b3c69fee

Formbook

Executable exe f49e50532a7e5d312f8429c41e28848461651f671139a7590b64d9df029db998

(this sample)

  
Dropped by
MD5 2c554894c889c16106bd809461efbad8
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 565041f19e657044134484cf7c1c6d5f81688f0804088eaab7bf8fd0b3c69fee
Cape
Cape
https://www.capesandbox.com/analysis/111428/

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