MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58f65684890c1ec3e63d010defd5f3c48f963865d2fa1d468d5a5f44b7026164. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 58f65684890c1ec3e63d010defd5f3c48f963865d2fa1d468d5a5f44b7026164
SHA3-384 hash: 5f6b8f54c0a3900d44c3f134d5d079656700fba7bf4334a1ab59d9ba861f2aa88cd4e73f477764f44184b3dbe04c51f7
SHA1 hash: 20e66d39f8ab8e28ee5f220f6ebb7cf885a169a5
MD5 hash: 61469b34c1edbc3f65099a087876fe25
humanhash: ceiling-ten-earth-london
File name:scan_copy#0987678_xls.exe
Download: download sample
Signature Formbook
File size:269'282 bytes
First seen:2022-02-02 06:21:57 UTC
Last seen:2022-02-02 18:04:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:/wCCbQHgJ48DwzF/oQRR0/DtiQd0WsMr2:znAv0Z/lRAtiQd7Y
Threatray 13'251 similar samples on MalwareBazaar
TLSH T12744025422D284ABE4EA3FB20492653CF77ABE68DD094207BB197FB8733178E91D1053
File icon (PE):PE icon
dhash icon 015c3eae8ede1c21 (15 x Formbook, 1 x Loki)
Reporter cocaman
Tags:exe FormBook SWIFT

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scan_copy#0987678_xls.exe
Verdict:
Malicious activity
Analysis date:
2022-02-02 06:37:11 UTC
Tags:
installer

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
Сreating synchronization primitives
Launching a process
DNS request
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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:
RaRansomware
Verdict:
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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 dropped file
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 565534 Sample: scan_copy#0987678_xls.exe Startdate: 03/02/2022 Architecture: WINDOWS Score: 100 31 www.wcf888.xyz 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 scan_copy#0987678_xls.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\dutgv.dll, PE32 11->29 dropped 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 scan_copy#0987678_xls.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.oshirohego.com 118.27.122.219, 49818, 80 INTERQGMOInternetIncJP Japan 18->33 35 www.sumanita.network 217.26.48.101, 49796, 80 HOSTPOINT-ASCH Switzerland 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-02 06:22:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Loads dropped DLL
Unpacked files
SH256 hash:
2244e4cd9fa2d1048c4053f6c4426ee7868a50ba77f55ac0122eacbc8c675aea
MD5 hash:
2a7f150efb6c2775a3a50fcfdcb1be7c
SHA1 hash:
9167192e5524ac5cf262343ef2f646eed842d94b
SH256 hash:
2a44af5719fb6b96031d60da2cc73befa42c8d2515c54ae995e9fc8ba24e18a4
MD5 hash:
9818a8434f25a825cf85a9283cba3bce
SHA1 hash:
35d7ed1da73ce5aa95314b1e7dadfeb1dc6d9abc
SH256 hash:
58f65684890c1ec3e63d010defd5f3c48f963865d2fa1d468d5a5f44b7026164
MD5 hash:
61469b34c1edbc3f65099a087876fe25
SHA1 hash:
20e66d39f8ab8e28ee5f220f6ebb7cf885a169a5
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 58f65684890c1ec3e63d010defd5f3c48f963865d2fa1d468d5a5f44b7026164

(this sample)

Comments