MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf
SHA3-384 hash: 961d66706d7082342a816d3c26c7f2699888044625019cb42f3559689dcfed8f26eaa1f4b96115c8051acd64e989cfb7
SHA1 hash: c1db8158ff3c74a5c761c4b59ec7678ed454aa73
MD5 hash: 65ca30c93b36264e87d85d09bf7b34a7
humanhash: quebec-three-sad-artist
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:492'544 bytes
First seen:2020-10-23 11:36:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:15LGM4cDvQ/ts9gCGBo2XN1gXCZjtZSSnCGSc2hvxFA+SgQ98dmzolypXM5RGqwR:1wM4WQ/c2VFnzI5FA+pdmzpWBz
Threatray 4'027 similar samples on MalwareBazaar
TLSH ACA4BFB27D92586ECA6A0775406984C1FABB1EC73FA0CB0D715B730C0E35A1BAB53257
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: bjcs01.serverproof.net
Sending IP: 180.76.192.144
From: infofh@fhtextile.com
Subject: Re: Purchase Order
Attachment: HKT431686546373A.rar (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75028/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3857.3116.18657.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/508065
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
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)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303153 Sample: Quotation.exe Startdate: 23/10/2020 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected FormBook 2->41 43 5 other signatures 2->43 10 Quotation.exe 7 2->10         started        process3 file4 31 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->33 dropped 35 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->35 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 14 AddInProcess32.exe 10->14         started        17 WerFault.exe 23 9 10->17         started        signatures5 process6 file7 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 2 other signatures 14->59 20 explorer.exe 14->20 injected 29 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->29 dropped signatures8 process9 process10 22 msiexec.exe 20->22         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 11:04:25 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=otxibldbzy3jui76vqzjnkbfq45kevzifvo5b6odlq4f4plhm3hq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
Formbook
1d9958a0a083b0f134bf5c777e6cee112d30f6059e3f7d301cf78e3777b7a637
Formbook
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
Formbook
3f98571de88f8e13c4197c46d74287d2f0aef827a196ea51cb4b934c6857e04b
Formbook
7a990daaeb236dac7f6245626e92a4624c798b89e96d573abfd78d2b546af659
Formbook
b7859dd4f12959b0c3b717089ddde8f623d288e27d092d93b06afaf9fc4a51d8
Formbook
bfae046475f1458c460cf4eed534a48c8e769fbfc622138170c3945a4ad61a90
Formbook
ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320
Formbook
d9600ffc9406d71c60b7eb036248230510c3b971a1de563ca7b8b57e822f7879
Formbook
e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34
Formbook
+ 4'017 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201023-zjb9h247bx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.progressaofinanceira.com/di4r/
Unpacked files
SH256 hash:
d251f33c578b44146aee824a95ff1e1f9a725c8d3e5d03924ce4227338c0c6fb
MD5 hash:
b47e8eafd28086d8b02d9a37787139b6
SHA1 hash:
2b120487d7f2f693d542fbda126491c0a3092ebd
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
9e60a6f7c9fda8b64a5dc0e01cd2bea5655f4295312526a0e392280aa7d88534
MD5 hash:
a309f7416b7ace6437db989126f7d966
SHA1 hash:
33cf2bf943046cc32406eccd68f9c57b61822d59
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
SH256 hash:
22dd250b6b44161ea61e8d8b322ed36f6a6920bde264d0176a2bcf88f8e3050b
MD5 hash:
3cd9846a3f17a0bbb09c120fd8135b25
SHA1 hash:
378a65f05b98fcadb79e6d0d6005e99f6719164c
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
SH256 hash:
290a2a2881ff015d555649d59c2ddeebe3b9536eb8ed06f09f185990edda31b4
MD5 hash:
bc4c20d803c773fbd897ddcc34d8175f
SHA1 hash:
78d279a93dbf815b30b15f7e0cd223e659c259c3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
Parent samples :
7a990daaeb236dac7f6245626e92a4624c798b89e96d573abfd78d2b546af659
74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf
a9a6a44f3eca95cc7785debebea767461798f27978628c58a06474005b8855c8
366d589602fe9abe8051f7b13322aaa0efc3d65638575bc6488a65ce75773488
e193e31155334803c7114e1f578689e26cda3faf7539fdb15d19f2f60e8379c1
bd53fc041a6e364f163c70e2bcf38a1565f3764a31b8c94de466fce780f9ab71
496312b0f2439d09765eb76ce146369b9417f59225f86c9b5f0ef8e1bb880602
SH256 hash:
ff478460d940ac41ba0c4eba7efd3ed914e96f5244e15682be2cf4640cb916a9
MD5 hash:
51d4394943b943a5047e3cb5ccfcbaa8
SHA1 hash:
b444e226ed4ae7c34650bad137e2c046d15b8de5
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
SH256 hash:
f3ba059629076b056407ce598b705fe747fc2b0c8ffd31662d5d5a5fd26da373
MD5 hash:
aafac8882e8ff7c3f4ddce9bdac705ea
SHA1 hash:
cc84d8a3771d69aa999961aeb231557564c0cf32
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
SH256 hash:
74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf
MD5 hash:
65ca30c93b36264e87d85d09bf7b34a7
SHA1 hash:
c1db8158ff3c74a5c761c4b59ec7678ed454aa73
Link:
https://www.unpac.me/results/c741eaf3-4cd0-4df6-901a-22ea7db92e64/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

rar a469b8c1c4d984f839fe97edcf76742707d1d1d564badc630bd04beee40fc509

Formbook

Executable exe 74ee80ac61ce369a23feac3296a825873aa257282d5dd0f9c35c385e3d6766cf

(this sample)

  
Dropped by
MD5 f3604ca6e55b653da2a1580721d48236
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/75028/
  
Dropped by
SHA256 a469b8c1c4d984f839fe97edcf76742707d1d1d564badc630bd04beee40fc509

Comments