MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9. 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 3 File information Comments

SHA256 hash: bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
SHA3-384 hash: 8c72a36316dff66356566e29ac1df1ee7e5b971ebc2b9b1a4762d811a7339b6ad586dc1aca0e94a88d989586f58a8ec7
SHA1 hash: f759109591636f985b6f43755be56b0adcab305b
MD5 hash: e5b549ddaad375f61e761db0dd225d60
humanhash: video-vermont-illinois-robin
File name:shipping docs.exe
Download: download sample
Signature Formbook
File size:576'512 bytes
First seen:2022-06-28 10:20:08 UTC
Last seen:2022-06-28 10:49:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:ald/sN2sNZqWjsZ5uEzUTxS/ui1YkPagpIxCpek+81IGF/lPS:aU/W5pUk2CYS6x7hvOY
TLSH T1CFC4DF003A5CFA50D96AD774D15081F002B55C4FFE22E62FAEE73E8E7575B029223A76
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 dnsIp2 2 Behavior Graph ID: 653588 Sample: shipping docs.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 37 www.trups88t.com 2->37 39 www.clevelandwatertesting.com 2->39 41 clevelandwatertesting.com 2->41 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 7 other signatures 2->61 11 shipping docs.exe 3 2->11         started        signatures3 process4 file5 35 C:\Users\user\...\shipping docs.exe.log, ASCII 11->35 dropped 75 Injects a PE file into a foreign processes 11->75 15 shipping docs.exe 11->15         started        18 WMIADAP.exe 11->18         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 20 explorer.exe 9 15->20 injected process9 signatures10 63 System process connects to network (likely due to code injection or exploit) 20->63 65 Performs DNS queries to domains with low reputation 20->65 23 rundll32.exe 12 20->23         started        process11 dnsIp12 43 zllxjj.com 23->43 45 www.zllxjj.com 23->45 47 192.168.2.1 unknown unknown 23->47 67 System process connects to network (likely due to code injection or exploit) 23->67 69 Modifies the context of a thread in another process (thread injection) 23->69 71 Maps a DLL or memory area into another process 23->71 73 Tries to detect virtualization through RDTSC time measurements 23->73 27 explorer.exe 2 146 23->27         started        31 cmd.exe 1 23->31         started        signatures13 process14 dnsIp15 49 td-ccm-168-233.wixdns.net 34.117.168.233, 49864, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 27->49 51 zllxjj.com 60.167.14.181, 80 CHINANET-BACKBONENo31Jin-rongStreetCN China 27->51 53 6 other IPs or domains 27->53 77 System process connects to network (likely due to code injection or exploit) 27->77 33 conhost.exe 31->33         started        signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-06-28 10:21:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:gfv7 loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
e8e0a476087352226ea102e89078067fb2d760238bc2121bf1098fdefd188604
MD5 hash:
3733f77949893a2f8206a945e2902629
SHA1 hash:
2cc712b01c2ba920a84dd4d758cf732b65d4a3e0
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
d6f1a31efc33e92807829bec6f04790a7701ea55897ff517f6e091c28759c892
MD5 hash:
3b75a626061e38adacea13cf605ab6b6
SHA1 hash:
38186d8b7e5902b8a4a02be05865647cba12b50d
SH256 hash:
bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9
MD5 hash:
e5b549ddaad375f61e761db0dd225d60
SHA1 hash:
f759109591636f985b6f43755be56b0adcab305b
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:meth_get_eip
Author:Willi Ballenthin
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 bb76e427660942cdf5c2f684ed7bcdf2be26e53d12adca57ee7757dd2ce4a9c9

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments