MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9933f662621bcd9114d34887587e51d6a9e31d525381b68783f865472426a44. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9933f662621bcd9114d34887587e51d6a9e31d525381b68783f865472426a44
SHA3-384 hash: 9dfc2ba2fb846c8e0e1fc1a991e62c683402818f3b05ca44902c2a9f13bed4783c570f83c3c68fb2ba8039f46229b4cf
SHA1 hash: 96b9888c8d62ab2b7445c2dab3c9b620dd245cda
MD5 hash: ba7ba8cf1d2d558376159430f123c6c4
humanhash: idaho-vegan-low-minnesota
File name:orden de compra pdf DZ0j.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'512 bytes
First seen:2021-04-19 15:52:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Ip0SCT9ThY8gY20AR+YtgaWQWtlTIA1wgmuCij+PmLn2+axVpsS6fwGUejhj/GK:JuFgj97BF5nLn2zZ6fFhj1
Threatray 4'507 similar samples on MalwareBazaar
TLSH 9B15F11163F9CB14F6BFAB78557112640BF2B883EA35E38C3E9100ED4A65F528972763
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
orden de compra pdf DZ0j.exe
Verdict:
Malicious activity
Analysis date:
2021-04-15 18:03:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/bd87ff72-5819-4fda-8df5-627bc9b09670

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/138600/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/687243
Signature
.NET source code references suspicious native API functions
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 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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 392570 Sample: orden de compra pdf DZ0j.exe Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 10 orden de compra pdf DZ0j.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\BujnipjliCwY.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp5921.tmp, XML 10->36 dropped 38 C:\Users\...\orden de compra pdf DZ0j.exe.log, ASCII 10->38 dropped 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Sample uses process hollowing technique 10->60 62 Injects a PE file into a foreign processes 10->62 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 78 Tries to detect virtualization through RDTSC time measurements 17->78 25 conhost.exe 19->25         started        process8 dnsIp9 40 www.localwow.net 193.189.247.160, 49766, 80 TDDE-ASN1DE Germany 21->40 42 48hrbusinessrescue.pro 162.215.241.244, 49765, 80 PUBLIC-DOMAIN-REGISTRYUS United States 21->42 44 4 other IPs or domains 21->44 54 System process connects to network (likely due to code injection or exploit) 21->54 27 systray.exe 21->27         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9933f662621bcd9114d34887587e51d6a9e31d525381b68783f865472426a44/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgjt6zrgeg6nsekngsehlb7fdvvj4moveu4bw2dyh6dfi4scnjca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10d80e3275154e9e39e98d3622a7af4f98a5fd1f0a073839d9e8d670cbd5d3e6
Formbook
1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4
Formbook
40877c93388c9ea545a95760ecd8fe9f7e9909b4cb96a906a3ab90408cf6c6cf
Formbook
65dbaf77c991e5737ecf9041dea34a7e9eca1e38925ff69340435a3cff1314a3
Formbook
85e3d87034ef45bfd5cb1234cde6b6c66543e1a77426dadd6a75b01f2c5ab502
Formbook
97d4de7a9478320c718f18c0f57349cfc611f5dee0aab5271304e4670e63d2a8
Formbook
b7b60cdc8b19e55d3977250a9b64c254afd7e78bb1ffd8ec44dca4000b7da52b
Formbook
c6e018cbf1becfebeb334b55c504098f7f2a474b939ba498a4ce5fb80566a85e
Formbook
cc0c4f8f34907be8839ae185fa40e5d7ad5279b70067a3279501d18483b590a7
Formbook
db351de507bfb075469e69ffe4859653ca3b3d0729c0236a5d3f8fd935e01cde
Formbook
+ 4'497 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/210419-sg4keant52/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lovetarot.online/sqxs/
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/c9933f662621bcd9114d34887587e51d6a9e31d525381b68783f865472426a44

File information

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

Malspam

Formbook

zip fbc33eccd2a45ee38a7d5893f4de6e0fc952e01c7419cdc6314ab5f4f3ce98c1

Formbook

Executable exe c9933f662621bcd9114d34887587e51d6a9e31d525381b68783f865472426a44

(this sample)

  
Dropped by
MD5 eaf05453a11eec1d10ac80f4e90a0379
  
Dropped by
SHA256 fbc33eccd2a45ee38a7d5893f4de6e0fc952e01c7419cdc6314ab5f4f3ce98c1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/138600/

Comments