MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d. 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: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d
SHA3-384 hash: 4a80da554d23f424348535cc96d0d67da65fd3f8d2ec2a24b19ec7537c22f93965c52505af8de322d91df005c385e2dc
SHA1 hash: c46b1d0d9cd7a9d630b999b5959eb9f5042addde
MD5 hash: 7bea4b7dd5a76ebabf5859f77c84737c
humanhash: oven-vegan-virginia-september
File name:7bea4b7dd5a76ebabf5859f77c84737c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:297'412 bytes
First seen:2022-02-21 08:09:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owyHMMO2nzwGJURLBDHj0BHiG/bWU8RSdMP3b0I9zY/QThrw:+CmXwLBADWUySd2AaYKrw
Threatray 13'716 similar samples on MalwareBazaar
TLSH T1A454121235C2D5B7F5504A3B24BA9A9FD7FAA30459A8109747F08BBC78352C3CA36787
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OLE_CVE-2017-11882.xls
Verdict:
Malicious activity
Analysis date:
2022-02-21 08:48:18 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4f686b90-ed63-4586-8726-50071604fc00

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242883/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/621348df875593a3ccf9db1d/reports/72fd37b7-516e-4e6e-9598-112ec17c597c/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23fe6f6e-3e51-4385-8001-0df0b21f357c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943062
Signature
Antivirus detection for URL or domain
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 575541 Sample: NetCrULFzQ.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 55 www.uncgclassof1971.com 2->55 57 www.sz-jialejia.com 2->57 59 6 other IPs or domains 2->59 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for URL or domain 2->75 77 3 other signatures 2->77 11 NetCrULFzQ.exe 19 2->11         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\orhocxkrh.exe, PE32 11->45 dropped 14 orhocxkrh.exe 1 3 11->14         started        process6 file7 47 C:\Users\user\AppData\...\tmmbtoewmihp.exe, PE32 14->47 dropped 87 Tries to detect virtualization through RDTSC time measurements 14->87 18 orhocxkrh.exe 14->18         started        21 conhost.exe 14->21         started        signatures8 process9 signatures10 61 Modifies the context of a thread in another process (thread injection) 18->61 63 Maps a DLL or memory area into another process 18->63 65 Sample uses process hollowing technique 18->65 67 Queues an APC in another process (thread injection) 18->67 23 explorer.exe 18->23 injected process11 signatures12 79 System process connects to network (likely due to code injection or exploit) 23->79 26 wlanext.exe 23->26         started        29 tmmbtoewmihp.exe 1 23->29         started        31 tmmbtoewmihp.exe 1 23->31         started        process13 signatures14 81 Modifies the context of a thread in another process (thread injection) 26->81 83 Maps a DLL or memory area into another process 26->83 85 Tries to detect virtualization through RDTSC time measurements 26->85 33 explorer.exe 4 156 26->33         started        37 WerFault.exe 23 9 29->37         started        39 conhost.exe 29->39         started        41 WerFault.exe 2 9 31->41         started        43 conhost.exe 31->43         started        process15 dnsIp16 49 internet-satellit.com 81.169.145.159, 49808, 80 STRATOSTRATOAGDE Germany 33->49 51 parkingpage.namecheap.com 198.54.117.210, 49815, 80 NAMECHEAP-NETUS United States 33->51 53 6 other IPs or domains 33->53 69 System process connects to network (likely due to code injection or exploit) 33->69 signatures17
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-21 08:10:15 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=arldpstpved4puzwklnm7udr5fjhzf5bu3l2goqw45drgje4uf6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0418190aadd19ac9ea51c98d516f178ce5378a5d4354d44a9b49ac814b49325e
Formbook
22d5552fed81b606509972d3c12830cd2cfcd77ec68a8791706099e97b2c1bad
Formbook
3d0defc77abb415c8854149e73e067b94bdb3fdc638fa7e104bcc4a325dc658a
Formbook
70b13c456bfbaa2220b8f773273c5e203ffdc7cad7461c1c91ee3bffa4631635
Formbook
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e
Formbook
88d97538adda1f29e2f088883d64db0776c2f7e9c80a2a789785c4af970ec129
Formbook
aa067750ad705a1b6176cb6f3f91466c9d5c2ee4457c2466b995bef70c04b240
Formbook
d2cc3484cdabe8305bf9afd35530ca1118ca2c308408dc7140c3a94b392b60bb
Formbook
+ 13'706 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:b80i loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220221-j2p99agbb6/
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Unpacked files
SH256 hash:
2b218457ba3335bef95649a395c70968f7b45caebe4aa331f87458c89ea51ba6
MD5 hash:
ea76a65c32483436ea8c926a690a8ecf
SHA1 hash:
8c72c14ecab95b81f145fdbe9a608a02efe1b12f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f69b4305-0c15-4362-ba86-69a6550455bf/
Parent samples :
13c9e72370631d555cab3bd6ba12339252fa26915a6a60741668aea478a17cbb
76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e
045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d
SH256 hash:
625da6d2d02e6ad4bce67d8feb0344b78e280c0ba8b60c03bb50aab5c176bdf8
MD5 hash:
78ebeed563d160a7efb6599b225a5b2c
SHA1 hash:
503c567eeb4a07e736c05b136c2f565772c016b6
Link:
https://www.unpac.me/results/f69b4305-0c15-4362-ba86-69a6550455bf/
SH256 hash:
045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d
MD5 hash:
7bea4b7dd5a76ebabf5859f77c84737c
SHA1 hash:
c46b1d0d9cd7a9d630b999b5959eb9f5042addde
Link:
https://www.unpac.me/results/f69b4305-0c15-4362-ba86-69a6550455bf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d

File information

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

Web download

Formbook

Executable exe 045637ca6fa907c7d33652dacfd071e9527c97a1a6d7a33a16e74713249ca17d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/242883/
  
URLhaus
https://urlhaus.abuse.ch/url/2046524/
  
Delivery method
Distributed via web download

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