MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec
SHA3-384 hash: 3a12513a8591aa082fb58835e31e9679872621fc4adbad4883443d3f5b5fc411bfcbe47888f9e6f41a45f3a8b08d624a
SHA1 hash: 6328f5db0bd9a28dcfb71b936c6835c375299551
MD5 hash: 8a43982e93e888387968e03fafb14fd1
humanhash: chicken-king-coffee-sad
File name:Order-826141730-pdf.pif
Download: download sample
Signature Formbook
Create hunting rule
File size:296'429 bytes
First seen:2022-02-17 07:47:28 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:owlyoAtZK1Yty4WUnepuTwSIPa4RHHsTRdXUF7Dd0qu+gZ0QG3734JMxSX:pmZKaxWUeAIPa4RHHsFdwjgG+Mxi
Threatray 13'384 similar samples on MalwareBazaar
TLSH T19754230A72D3E6E7C166527A25BB67BBD775E1212D021A270F308FFA38B01C795583C9
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242190/
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
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll virus
Link:
https://www.filescan.io/uploads/620dfdb6ac8ad0468b4a9f07/reports/ef5dbbe3-e58a-4151-87f8-5b71c7c7d8cc/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941419
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
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
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 dnsIp2 2 Behavior Graph ID: 573897 Sample: Order-826141730-pdf.pif Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 35 www.gestion-kayfra.com 2->35 37 gestion-kayfra.com 2->37 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 5 other signatures 2->53 11 Order-826141730-pdf.exe 19 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\luficfbm.exe, PE32 11->33 dropped 14 luficfbm.exe 1 11->14         started        process6 signatures7 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->61 63 Tries to detect virtualization through RDTSC time measurements 14->63 65 Injects a PE file into a foreign processes 14->65 17 luficfbm.exe 14->17         started        20 conhost.exe 14->20         started        process8 signatures9 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 22 cmmon32.exe 17->22         started        25 explorer.exe 17->25 injected process10 signatures11 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        29 explorer.exe 2 149 22->29         started        process12 process13 31 conhost.exe 27->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 07:48:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ntmy4xhomdztziz7jze5l4rq723bkjiqemfl2jpyww7kwr7cv7wa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6
Formbook
7cbd8cc35b03d65491ad01b6a44b84dc047e6663189554201c24dbfbeb81473c
Formbook
aa067750ad705a1b6176cb6f3f91466c9d5c2ee4457c2466b995bef70c04b240
Formbook
af7abd08a5752f55f59e38b2bd9568943ada7d2b23ddc3324b735beebd8846ce
Formbook
b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f
Formbook
e8720afe9895124761086a0f00aa515997015669cc5332aebe99d5ea02ca7377
Formbook
e9fe0fe5cd5d59f973f1ea299c3476fbbd9e6a95f44509854286f584a313837c
Formbook
f7d7da0700921b339807b5977c36fce50742c5ce87f432d357f9d3e8e683785a
Formbook
+ 13'374 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uar3 loader rat suricata
Link:
https://tria.ge/reports/220217-jm5fmabhdr/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
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
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c88591890798e21cea03becbf1c14ee169b34981a0a9d095f3ff86ccd10e4ebe
MD5 hash:
58637ba6b67aa847105e312bac8a0695
SHA1 hash:
e3a1f43dda6cf42f23acf4cd4f1ad944f3c591ce
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/33285176-5865-4347-99d1-f08e2a1e2085/
Parent samples :
32202111654172f16eab4a33849af61e651680218d44e657b719b56789976561
ef986fa9ac50432d1fc1be8e0ace872cbf28cf51d967d6d35647aa3f77acf94e
44b17de7c324ff60a195215bf1a73eb41febf731f86699848e68815db5978387
2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
d6fce7f4f6a8c7c7ec013bd177f42ab0a9ef8d8ce6f505245ea09e41d33201e0
7aa0e9cbf1f38bc13f59033198c94dc657236f15cda0359881edec87394defad
fb45dfc26c736d67a8c409194b6f0e503a4519be42dfd1eaa7b7efb026d7c512
2c9c53afeadf78570137cbee063eb4446a2f2086d516b348199ed4500434c126
de84eba1dbe2c9b339c91d9f90180478b3e84a190f566d3c667d6490caa92601
e9fe0fe5cd5d59f973f1ea299c3476fbbd9e6a95f44509854286f584a313837c
6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec
db097eebc2cb1af575eeb0e7278d466276ddd626cfa0bb5f0b77741679870959
SH256 hash:
16c24c9af6ea42b6922724eeaf4041f828d873385c5311487038c3717fc299e2
MD5 hash:
4af5b3b1cd041ab843382f93ad6c2789
SHA1 hash:
9759a4fce91218ff80001013c7cf9e30d4314f39
Link:
https://www.unpac.me/results/33285176-5865-4347-99d1-f08e2a1e2085/
SH256 hash:
6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec
MD5 hash:
8a43982e93e888387968e03fafb14fd1
SHA1 hash:
6328f5db0bd9a28dcfb71b936c6835c375299551
Link:
https://www.unpac.me/results/33285176-5865-4347-99d1-f08e2a1e2085/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec

File information

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

Malspam

Formbook

Executable exe 6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242190/

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