MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4
SHA3-384 hash: b6ba9c1368e42659d38f9ece2ea24865741d3cdce51d12b1475d173b5b477b6940437bd4021c4fb7c7f006f644c2adb4
SHA1 hash: 331b401fae94f338fd0915ec4470e1ff4c62372b
MD5 hash: 7943f78d4a3f852c6c9b68b19139d5e0
humanhash: paris-mockingbird-uranus-louisiana
File name:tt-copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:414'250 bytes
First seen:2022-04-06 17:07:57 UTC
Last seen:2022-04-06 17:47:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (726 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:qNeZTeP857xctbCsMNsskhpBxw5Fp4JS+2lLNkm:qN8CaxabCsMhwpBx2p4d2Zt
Threatray 14'681 similar samples on MalwareBazaar
TLSH T148945762D030849EC7552EBD3B55C7B2259B5E332ABC94DE3A123DA066300897FE5E3D
File icon (PE):PE icon
dhash icon 626155627150521a (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Dawoo order.msg
Verdict:
Malicious activity
Analysis date:
2022-04-06 11:22:07 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/56ef188f-fa72-42ad-a520-263697f57822

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/261464/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1018.13721.25733.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/12886/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed python shell32.dll virus
Link:
https://www.filescan.io/uploads/624dc902db9ca5cf842e8ce2/reports/06b8149a-850e-4029-aa3b-f7c53c8ac81b/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b2a318d6-6f02-4969-978d-e88186792bde
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971718
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 604205 Sample: tt-copy.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 3 other signatures 2->51 11 tt-copy.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\bkadq.exe, PE32 11->31 dropped 14 bkadq.exe 11->14         started        process5 signatures6 61 Tries to detect virtualization through RDTSC time measurements 14->61 17 bkadq.exe 14->17         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 dnsIp10 33 germanshepherdpupz.com 198.38.88.88, 49796, 80 SERVERCENTRALUS United States 20->33 35 www.germanshepherdpupz.com 20->35 53 System process connects to network (likely due to code injection or exploit) 20->53 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 17:08:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7zjcrxen2omtgwzybz6mvh5ipq3ueab4ta3nnwoy4ltbklljctsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4a0e9c1b5c23074112d8c5845451f43017d09ec024f1d993854e2fd43f8f2814
Formbook
4d11816de1a6429b0fa2f9754f7e51e45a6afb350ddd5b806974b629e8fc6fc3
Formbook
51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc
Formbook
8af7a60d92677f5acf259ab5b9f14b55c51c21248338bbdc9617c38fc4909631
Formbook
aaa025e66e7edbf2120c46ca3f09420caf7a71ff6c52cd64ff69198b339778ed
Formbook
c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1
Formbook
f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
Formbook
fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
Formbook
+ 14'671 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dw4g rat spyware stealer trojan
Link:
https://tria.ge/reports/220406-vnjfbsffd8/
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
6ae572dfafa980162ff4b75a7cbf371bfc6d0815dd3b257800ecf7daa2d63ed4
MD5 hash:
2903c624a294fa43ef1b64a7eb6a320c
SHA1 hash:
b42abbeb5242d192fb397e86ab3338d675a38d3c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9c909bfa-3e1b-4525-afed-8bd53b46a085/
Parent samples :
f301682053d5e2fd2982d90d37508983ac1bf5e630e66e553573709ce7e37817
fd47fb1d9ae6d4fa2d64afcc600498076f0f8803cb134782723c4a8bd0ae81b4
fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4
a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d
82f532d94b881818fcb46337425663aa86a102547911d1d81eb59b75226ea6f9
5280905309fe7450fe1fb925e25d59068772c0d1868b1c4ac6418d5f93e28abf
SH256 hash:
7dd97602ab788280e804ad54495422a68325e96a33a463b6801f2a3bbe8c9e3a
MD5 hash:
c1d722db0793aaa631565ddf77cb7fb0
SHA1 hash:
b53ced6036eddf9b7fd912c8125c2289ad516df8
Link:
https://www.unpac.me/results/9c909bfa-3e1b-4525-afed-8bd53b46a085/
SH256 hash:
948f5b05a7810285544a06162e8ca4c9919f4b943316edd9e06ca9c6cdc5a825
MD5 hash:
6f84871a3e73443cf3aa9978f00461e1
SHA1 hash:
9b0a6cfd0b8b6917a688ecc2af033ae7af18175b
Link:
https://www.unpac.me/results/9c909bfa-3e1b-4525-afed-8bd53b46a085/
SH256 hash:
fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4
MD5 hash:
7943f78d4a3f852c6c9b68b19139d5e0
SHA1 hash:
331b401fae94f338fd0915ec4470e1ff4c62372b
Link:
https://www.unpac.me/results/9c909bfa-3e1b-4525-afed-8bd53b46a085/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fe5228dc8dd3/report/overview.html
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
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: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 fe5228dc8dd399335b380e7cca9fa87c3742003c9836d6d9d8e2e6152d6914e4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/261464/

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