MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d8d79cf0ac48ce5ffbb0cf0d1b3370662d34170d9430baac21f42d30b3b66f5. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d8d79cf0ac48ce5ffbb0cf0d1b3370662d34170d9430baac21f42d30b3b66f5
SHA3-384 hash: f97910c66a8f8143aa4da5fdb3cc9169501d3ce69c130fed12a9d5aab1711d8172c0f7d401f2e40f630e39991a11cc3f
SHA1 hash: 045e117e5b1fdc47824a97ad39fb2908fc856008
MD5 hash: 47ba004741228166d815f278d6b9301e
humanhash: triple-venus-robin-violet
File name:PROFORMA INV98745654.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:339'456 bytes
First seen:2020-07-29 12:53:24 UTC
Last seen:2020-07-29 14:26:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:65h5pg/hOtIAx+nhHooohDf1xEPRpfxHexjKOYYGdPtOcSiFM6zN:ch5pawUhIoohDfYjfx+xvAUit
Threatray 5'233 similar samples on MalwareBazaar
TLSH 2274014E7B68447BC65482F934F6116D4B71768F22A2EBEB3CA9504F1BE0B43D22570B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: albayrakbeton.com.tr
Sending IP: 45.90.222.242
From: Banu ALAKENT <banualakent@albayrakbeton.com.tr>
Subject: FW: We are sending oficial Proforma Invoice for Bank enclosed.
Attachment: PROFORMA INV98745654.PDF.r24 (contains "PROFORMA INV98745654.PDF.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34898/
Detection(s):
SecuriteInfo.com.Generic.mg.47ba004741228166.147.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/402564
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253646 Sample: PROFORMA INV98745654.PDF.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 30 www.mindgarrage.science 2->30 32 www.0v7eightafter.men 2->32 34 g.msn.com 2->34 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Yara detected FormBook 2->48 50 6 other signatures 2->50 11 PROFORMA INV98745654.PDF.exe 2 2->11         started        signatures3 process4 process5 13 PROFORMA INV98745654.PDF.exe 11->13         started        16 PROFORMA INV98745654.PDF.exe 11->16         started        signatures6 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 18 explorer.exe 1 13->18 injected process7 dnsIp8 36 www.themegiare.net 198.20.70.67, 49746, 49747, 80 SINGLEHOP-LLCUS United States 18->36 38 www.kkcdb.com 156.244.229.44, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->38 40 7 other IPs or domains 18->40 52 System process connects to network (likely due to code injection or exploit) 18->52 22 wscript.exe 1 12 18->22         started        signatures9 process10 dnsIp11 42 www.kkcdb.com 22->42 54 System process connects to network (likely due to code injection or exploit) 22->54 56 Tries to steal Mail credentials (via file access) 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 3 other signatures 22->60 26 cmd.exe 1 22->26         started        signatures12 process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7d8d79cf0ac48ce5ffbb0cf0d1b3370662d34170d9430baac21f42d30b3b66f5/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 12:55:07 UTC
AV detection:
30 of 46 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pwgxttykysgol753btyndmzxazrngqlq3fbqxkwcd5bngcz3m32q._file
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
Similar samples:
1f3a78fa36bc0741a38e82e73ea0a214ef806c0d968c70b99aa71c73864be656
Formbook
1ff207b34ed7e732262fb02c3effc89a93026ed7b4211f3242bbe830fabe55a3
Formbook
370293d95666a952ba140489c797e3c7d82a92cb400e360f7743075aee04ca10
Formbook
3d7664dcebcb7d20b25a6890a6697a2a293239ea13f00695722d1dce023c8cb6
Formbook
510b24a8ddcc1a99925f07d8ec0b56489930147a95810b787291b3396bd54a7c
Formbook
62afb1cbcacb77aa2ca99cc55c0e3536738415289f53c4a3a57d9b9cc08ee5ab
Formbook
6f196fa55e6b02ee407f238eba897e8ae1a213a45603c526141a0c66f26e8c51
Formbook
878d3d77023a927c7dc6aaab23b90cd1203bcd1bacdeedf997692a4c60d24129
Formbook
9963cb9f95312d222c99fac596b5bf02d81ace63ebde79c37e2312d3e2ecd32f
Formbook
d4224f6f5b734de53a5a7e5f5675b05f9a808deb058e64d00859146f8255594c
Formbook
+ 5'223 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware persistence
Link:
https://tria.ge/reports/200729-pfr8b1fsdn/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
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/7d8d79cf0ac48ce5ffbb0cf0d1b3370662d34170d9430baac21f42d30b3b66f5

File information

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

Malspam

Formbook

rar b4fae31798632173aa7e80616bbc7625e482f44ac082a3d07744ad0d19c9ff25

Formbook

Executable exe 7d8d79cf0ac48ce5ffbb0cf0d1b3370662d34170d9430baac21f42d30b3b66f5

(this sample)

  
Dropped by
MD5 f1475a5d600bc6199c9300abf15b98f1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34898/
  
Dropped by
SHA256 b4fae31798632173aa7e80616bbc7625e482f44ac082a3d07744ad0d19c9ff25

Comments