MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb60b98852cad89fe450ec8486cee96bb6932b29c692f97d5b7ed7936556845f. 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 4 File information Comments

SHA256 hash: bb60b98852cad89fe450ec8486cee96bb6932b29c692f97d5b7ed7936556845f
SHA3-384 hash: 71e6b87a632b687ffd3a5c0701e39c3fb8712c4a8230ba1974f8ad654a0dcdc6234326b450dd47a281211e66ef38bf44
SHA1 hash: 8efefaefb2a32c05c3282721be10c0b838c0cc96
MD5 hash: d0cceb56aaec4f8d458498904813b790
humanhash: double-black-winter-michigan
File name:Payment document.exe
Download: download sample
Signature Formbook
File size:545'280 bytes
First seen:2021-09-15 13:46:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:rWHCM2K4CeR7xH4FP0tsjkjTAzhZGhSHBaj:R3CeNib8TAz+hU
Threatray 9'249 similar samples on MalwareBazaar
TLSH T1A8C47B243BAB5019F072AA757AD7EDF6D96ABF622E02945B10D03F4736239C0CEC152D
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment document.exe
Verdict:
Malicious activity
Analysis date:
2021-09-15 13:48:52 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
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 dnsIp2 2 Behavior Graph ID: 483900 Sample: Payment document.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 33 www.welojz.xyz 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 11 Payment document.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Payment document.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 Payment document.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.treiding-oficial.site 92.53.96.232, 49776, 80 TIMEWEB-ASRU Russian Federation 18->35 37 www.1axlpkfm.icu 108.186.133.145, 49787, 80 PEGTECHINCUS United States 18->37 39 13 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 mstsc.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2021-09-15 05:01:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 43 (44.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:dbew loader rat
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.mengtai.xyz/dbew/
Unpacked files
SH256 hash:
e5f7f5b9cb42b8783ee9ee778b18606f12ba4ac0b060746ac6369529a43807ef
MD5 hash:
bf489c817cb505d26bc7cdcfdbdd2789
SHA1 hash:
eb7fee1f12feedd7ca67af613cbee92bdfa38276
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
a20bb85b8f0163e7a4a6e0af553472ea8f0f3b733e5ad62bfbc316038b340c3c
MD5 hash:
fe132bfbd5adc12763e1c0be777abfdc
SHA1 hash:
74463869075cb67ee002ad2ecca5a43c3f6a74a8
SH256 hash:
bb60b98852cad89fe450ec8486cee96bb6932b29c692f97d5b7ed7936556845f
MD5 hash:
d0cceb56aaec4f8d458498904813b790
SHA1 hash:
8efefaefb2a32c05c3282721be10c0b838c0cc96
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

  
Delivery method
Other

Comments