MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc. 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
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SHA256 hash: e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc
SHA3-384 hash: 63b6091b45292f9c54a758031c8b01fa374f35f9f3d134c427e7aef38860b1f4545140a08d7fe5ca97a72690ddff7b7a
SHA1 hash: cbbbf545f35c062655b2d91609d87fa774ac61e3
MD5 hash: b403aadae2e5148baaa126832817127d
humanhash: wyoming-king-colorado-hawaii
File name:RFQ. 40.068-21.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:378'880 bytes
First seen:2022-01-19 16:09:11 UTC
Last seen:2022-01-19 18:07:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:YqPwWYdAbc0CpLFOvttTv73ivC3TO/qb+785OA6QjHiCwVJYaOt6v9pyZ7ZczHHf:YqPwWYdAbc0ChuLp3T0oU7Q2d46v9pw2
Threatray 10'660 similar samples on MalwareBazaar
TLSH T1708422A113B4A76BCD779BF318B31A0587F4258D1271C34A6EC854E9056BFA84BA0B37
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220701/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.22674.352.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed print.exe wsl.exe
Link:
https://www.filescan.io/uploads/61e837e7f81da814af8fca41/reports/e6904b3b-e39c-4146-b0b3-ebe0f2ab7e99/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/54ed73c5-0546-4a19-bb55-4740d6c2bd7d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923621
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 556095 Sample: RFQ. 40.068-21.exe Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 17 other signatures 2->56 10 RFQ. 40.068-21.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\qRWKdlH.exe, PE32 10->38 dropped 40 C:\Users\user\...\qRWKdlH.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp17CA.tmp, XML 10->42 dropped 44 C:\Users\user\...\RFQ. 40.068-21.exe.log, ASCII 10->44 dropped 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 RFQ. 40.068-21.exe 10->14         started        17 powershell.exe 21 10->17         started        19 schtasks.exe 1 10->19         started        21 RFQ. 40.068-21.exe 10->21         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 46 www.mistressflorarevel.com 141.98.132.38, 49784, 80 DEDIPATH-LLCUS Netherlands 23->46 48 www.a-prime-es-filtro-de-agua.fyi 104.21.79.239, 49812, 80 CLOUDFLARENETUS United States 23->48 58 System process connects to network (likely due to code injection or exploit) 23->58 31 cmstp.exe 23->31         started        signatures10 process11 signatures12 72 Self deletion via cmd delete 31->72 74 Modifies the context of a thread in another process (thread injection) 31->74 76 Maps a DLL or memory area into another process 31->76 78 Tries to detect virtualization through RDTSC time measurements 31->78 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 13:29:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4eq2g7wdgzmuxg5noq6d2wq2ohcbgrif6lo5ss66pfr23ckib76a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07bed83b3f7c13154a148f82ceac3fe9f68a7995ed5a939e91427e611bfaa863
Formbook
123ff9f9a3f12261b2f1b201cf6c0c009b94ccab53d22f414113dc926f9eef63
Formbook
184dc6b6ce6b74a783d1f3cd67d85a4a36fb9ff237667af69936b1f836e47232
Formbook
1dd55c3da57f38fa92cf2ea0beb0f05afdc542492b66158a6190f681dcaffdfc
Formbook
7cfd925a01b39a64070297842ef8e2d74552c7c0ebb9dd8594d8ac8d15242e79
Formbook
a92ecb180e390074e280143710c718ab92687c893701b7c535f704231c92175f
Formbook
cfd0502419a4609b9b0022c3d3b925875f8d135e4f7ac853b2b1a6dd531bb762
Formbook
dd5f5932753c97d372e4eacd6288b63d69120eb6b119d9dd699a80dbc0558aec
Formbook
+ 10'650 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:p3mp rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220119-tmdm1sbchk/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a19e89d77d52e63c16d7f33dac5e47dba41eb78585b7b0c375a47b72dafa5657
MD5 hash:
40b98abee2d9b3895df8709774b5508c
SHA1 hash:
f1ae7838191097807643f2c55dcc4040793e90ed
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fd8e6638-8efb-472f-af0e-4020ec944c3f/
Parent samples :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 hash:
d548c5781bcac81b6370fc3621b86ecff33c642ca9d4ac6515cbc47c50d67ce6
MD5 hash:
a7f7e5e0c6d973cb9665568f911449a8
SHA1 hash:
3bc7ecc701287b2e082bb8df58a37691d343ed18
Link:
https://www.unpac.me/results/fd8e6638-8efb-472f-af0e-4020ec944c3f/
SH256 hash:
938eb5b10cfdca0c0ccc793cfae7117dbca5bdc325cc0f677c36df5c3ef6824b
MD5 hash:
63821ffb5d985843a56cf6ed2958e078
SHA1 hash:
2a46cc798fddea744890e20709b7e0c636759556
Link:
https://www.unpac.me/results/fd8e6638-8efb-472f-af0e-4020ec944c3f/
SH256 hash:
e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc
MD5 hash:
b403aadae2e5148baaa126832817127d
SHA1 hash:
cbbbf545f35c062655b2d91609d87fa774ac61e3
Link:
https://www.unpac.me/results/fd8e6638-8efb-472f-af0e-4020ec944c3f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e121a37ec336/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/e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc

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 e121a37ec336594b9bad743c3d5a1a71c4134505f2ddd94bde7963ad89480ffc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220701/

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