MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b9161582fc319cf5a312d518fcf6350dd75cd17f640def37eec5302a4d590bf. 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 3 File information Comments

SHA256 hash: 7b9161582fc319cf5a312d518fcf6350dd75cd17f640def37eec5302a4d590bf
SHA3-384 hash: 2aa98c63f59f092ae6f7840d68d921d48c05a09e64e53c22e118cfaf1d0b99c8f837f16fee77fcaf4828aa472807356f
SHA1 hash: afb6c547d4ce317303da0a56eaf52d633d392f48
MD5 hash: c47dd3085ff9242d8d3b0f15f33a9cc3
humanhash: utah-indigo-utah-nitrogen
File name:P.O #00987656.exe
Download: download sample
Signature Formbook
File size:439'808 bytes
First seen:2021-11-10 08:29:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9CgDCXtD00jfq0KUBa0a+pPNGJpFyFXjwV:9CgDIC0W0LB/aoaFS
Threatray 11'090 similar samples on MalwareBazaar
TLSH T1ED94F13532A4C766CA3D4B3D6076D07213FAE5193862DBADAF8261CF7B273414920A77
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519015 Sample: P.O #00987656.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 P.O #00987656.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\P.O #00987656.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 P.O #00987656.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.seductivegurl.com 3.20.54.167, 80 AMAZON-02US United States 17->30 32 boracaydaily.com 162.0.209.159, 49833, 80 ACPCA Canada 17->32 34 7 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-10 03:49:10 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:efa8 loader rat suricata
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
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.viewba.store/efa8/
Unpacked files
SH256 hash:
a30108e4d0beee278d169c23cf40880184a7187ded6a05d7ca1e2dadeeebefad
MD5 hash:
ff93bb1edfda4ec718449ce316669366
SHA1 hash:
79bde73fe8ec7a579ea77eef2f1698e6c19ba34b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
d763435075c10b107d025d79a8f60b29842b1fd8fedfec168af8125f6d80e2c2
MD5 hash:
e1866ed2975cb224bddb469a2de4175c
SHA1 hash:
55afabc22ed6f3519e9b7b1e370c67004255c462
SH256 hash:
7b9161582fc319cf5a312d518fcf6350dd75cd17f640def37eec5302a4d590bf
MD5 hash:
c47dd3085ff9242d8d3b0f15f33a9cc3
SHA1 hash:
afb6c547d4ce317303da0a56eaf52d633d392f48
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 7b9161582fc319cf5a312d518fcf6350dd75cd17f640def37eec5302a4d590bf

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

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