MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e391652ff3d9679d5435b44bcd0198088a29424fae538c03bb49950095aadb62. 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

SHA256 hash: e391652ff3d9679d5435b44bcd0198088a29424fae538c03bb49950095aadb62
SHA3-384 hash: 7a2bf2e2f03dcbf6f2eec360f986750445c120ce29c360d4b0f10808b376c3949f626313099e693af0d74d66f0478fb8
SHA1 hash: 3ad04ca06ba7f11a36ef6a6d3e04f92277547826
MD5 hash: 3a5f1fb57f996c51fdebfb63540a1da9
humanhash: uranus-seven-tennis-triple
File name:bestie.exe
Download: download sample
Signature Formbook
File size:768'529 bytes
First seen:2021-08-03 05:46:33 UTC
Last seen:2021-08-03 07:27:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 49be0836dac021f86af2cb207b4613c8 (6 x Loki, 4 x Formbook, 2 x SnakeKeylogger)
ssdeep 6144:21W1nA/DpvTphMDqoskW9hzudasLfAOyqaL7/lksvWynnKyLfYBLZKfJ9ZbRJeJc:21Wl8TphMxskWv6LfsLLtWyKEYlKJHnt
Threatray 7'242 similar samples on MalwareBazaar
TLSH T18AF4E600B7EDA22BF0727BF49FFAC578C656BAF85B27C26F11951407C695D801B226B0
dhash icon 9b317d4d4d55412b (7 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bestie.exe
Verdict:
Malicious activity
Analysis date:
2021-08-03 05:49:37 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 458284 Sample: bestie.exe Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 34 www.seducd.com 2->34 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 5 other signatures 2->44 11 bestie.exe 2->11         started        signatures3 process4 signatures5 52 Detected unpacking (changes PE section rights) 11->52 54 Maps a DLL or memory area into another process 11->54 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 bestie.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.realestatebites.com 17->28 30 www.politicalpoetic.com 17->30 32 6 other IPs or domains 17->32 36 System process connects to network (likely due to code injection or exploit) 17->36 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Revcode
Status:
Malicious
First seen:
2021-08-03 05:47:09 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.retailhutbd.com/tnli/
Unpacked files
SH256 hash:
510b3e558b8809b4332c7bbe9332b207607d5609503472e34d51090081060e0b
MD5 hash:
626dfe06bf847ac3d7687d4099f1e447
SHA1 hash:
4a20162c73eb90ddac5d74694a8da7f200893f4c
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
e391652ff3d9679d5435b44bcd0198088a29424fae538c03bb49950095aadb62
MD5 hash:
3a5f1fb57f996c51fdebfb63540a1da9
SHA1 hash:
3ad04ca06ba7f11a36ef6a6d3e04f92277547826
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe e391652ff3d9679d5435b44bcd0198088a29424fae538c03bb49950095aadb62

(this sample)

  
Delivery method
Distributed via e-mail attachment

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