MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f37ecb6d388f8378e278dc1ee1e29e09760ab46a83d7096f67b79e2af1ac107. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f37ecb6d388f8378e278dc1ee1e29e09760ab46a83d7096f67b79e2af1ac107
SHA3-384 hash: 484de451b3b6c4f4809e93a1f8d2991b59eda98eb3c2c81407926ce1a21af8583c7db0c76996fb2dd968c3280e29d173
SHA1 hash: a248270cdce1d86c154c7b50a970dd86ae06b288
MD5 hash: 70ea9470dd3f3afecc89b2b4300d48d1
humanhash: undress-tennis-jersey-ink
File name:Shipment Document BLINV and packing list.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'052'672 bytes
First seen:2021-05-25 13:06:54 UTC
Last seen:2021-05-25 14:03:18 UTC
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:KJJqyMLo2k0IR7Be2mNCnhJbH2lBni/z6aK08Lr8NznbKM+VtuKJKbSUGyV:C4owOe2nnhhHoi/mn8pnb9+PJ2SUL
Threatray 5'057 similar samples on MalwareBazaar
TLSH 3925161E2E9AE159E0D4C63D06E85027FF42CFB3203A6ED698C7776D16B4D02B46252F
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipment Document BLINV and packing list.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-26 00:46:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2475048d-4d1c-421e-ad82-0986fa360ee2

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/161949/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/791602
Signature
.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
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 424001 Sample: Shipment Document BLINV and... Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 31 www.iyogyl.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 11 Shipment Document BLINV and packing list.exe 3 2->11         started        signatures3 process4 file5 29 Shipment Document ...acking list.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 Shipment Document BLINV and packing list.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.hg62988.com 104.161.123.48, 49711, 80 IOFLOODUS United States 18->33 35 shops.myshopify.com 23.227.38.74, 49710, 80 CLOUDFLARENETUS Canada 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f37ecb6d388f8378e278dc1ee1e29e09760ab46a83d7096f67b79e2af1ac107/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 00:17:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 47 (42.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d436znwtrd4dpdrhrxa64hrj4clwbk2gva6xbfxwpn46fly2yedq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00723545fff6ce259e729f8f1f9c7129e0d667502f94ef137bbbd9642ced4cc0
Formbook
498ce67ad88b8121b3062ea25ede6550ea4c3bc4f29fab40cbb4c93c20121fb2
Formbook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
6120294360629da33cd6f897de16401325be12ae2cd9dcc03857de7e0b4f94e4
Formbook
a4d1a06721c3b1932f4e76a4b4a38382d7a07c44bb5732512818ff155283980b
Formbook
c2336a135878814b7b9b82146879a4ee8910e0a7e540415cb3716e1f62c1ea41
Formbook
ce84812d0bb4086a806eb6bd6bda53c0656dd74569b1c40251d0ee1f84852460
Formbook
d56c4c2f5d2fb1888a61723b99845f21742ab93794bc0fdcf146a67c33919e1f
Formbook
de96d53592393fa5cd5dc6ed2d8d9430245ac083643591b6f060a4efc2e044d6
Formbook
df9518a17395e5cd3d467eaf82daec28250b168e6b31553b0a60712f05025380
Formbook
+ 5'047 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210525-xcsvh8hk7a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.semenovdmitriik.club/bwk/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1f37ecb6d388f8378e278dc1ee1e29e09760ab46a83d7096f67b79e2af1ac107

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/161949/

Comments