MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0e4a21cb651986a7e2c71acdd7bf64079ce959417df8e214c073aba4ccfde44e. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 0e4a21cb651986a7e2c71acdd7bf64079ce959417df8e214c073aba4ccfde44e
SHA3-384 hash: b70188fcc928bc6731615eee8fb4c029c01fc1c3cefc500ca40aa1c481b08b65bc10293ca04306651c6f4254ede3374a
SHA1 hash: 26f74ad3e120ea888c1dc2179361297911ae4d68
MD5 hash: 92375bbe617a55d2d3a1aa299f76de2f
humanhash: whiskey-wolfram-california-coffee
File name:RFQ-BS-2874.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'555'456 bytes
First seen:2021-06-07 14:30:56 UTC
Last seen:2021-06-07 15:51:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:Cu34BzAZVAUVYtXiZmpUmWA+v3wNB1+KhkwdBGmK:okZVAUYtXiZmWTAZB1+az9
Threatray 5'540 similar samples on MalwareBazaar
TLSH D3759D1237D8A52BE13E96713974050842FABE4AD572DB7EFD8872CF09F1A409311BA7
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ-BS-2874.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-07 14:35:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fb774174-8793-4b94-9273-0a677415c516

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/165042/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.820.5453.1390.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/798166
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
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: 430562 Sample: RFQ-BS-2874.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 33 www.adssail.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 11 RFQ-BS-2874.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\RFQ-BS-2874.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 RFQ-BS-2874.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.rdktrustnewwave.online 185.165.123.36, 49742, 80 VARITI-ASRU Russian Federation 18->35 37 www.zquidink.com 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 raserver.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 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       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0e4a21cb651986a7e2c71acdd7bf64079ce959417df8e214c073aba4ccfde44e/
Threat name:
Win32.Trojan.Woreflint
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Status:
Malicious
First seen:
2021-06-07 05:24:43 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bzfcds3fdgdkpywhdlg5pp3ea6ooswkbpx4oefgaoov2jth54rha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c65b99765a161415ec44f5a6071e5c28e2a2b641e99061af07c9d34413ad5e8
Formbook
2080ae2cfe843c0e1754f994b356086718dd6dceedf974ca37b629fb4da817a6
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
93fae9b54c0f1960139aa4007a0b8f695d61cdc5219fbfbe885c850a4f43a92d
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
a3caa0df0bdb2bf954c259a2421958b79c61c5a2dfdefcfbf62b58129f66a56f
Formbook
adcc2671f1168261ceace2da6f28a79e0b3bc2f774fac1d79f4628f494951d24
Formbook
bdc84c917558fe1a4055309a8d6ad6d89d2cdf5a6741c218ace44f70489f9260
Formbook
c6e3758af9817c19a3c8a5e0c0b19bcd59971d1b2b4c813862bbeb716d87931c
Formbook
e8be28fabd7cdb2d4e96137dae73bd9b227a86b654c696e9fd401cb37ec68267
Formbook
+ 5'530 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210607-7j3lmk8hwe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.adssail.com/tlbk/
Unpacked files
SH256 hash:
34e69e90b7cb6121c3f93911f21dfb00491ea5d5bb79bfce4902d04f72c24184
MD5 hash:
b6b086a0ab13f3feb9ee8c846d230e5d
SHA1 hash:
dd8e1b816f3e7d9dcfa6eddc20a27fe0fbed478a
Link:
https://www.unpac.me/results/a66ff211-31a3-4459-aa49-64179545dc9a/
SH256 hash:
0e4a21cb651986a7e2c71acdd7bf64079ce959417df8e214c073aba4ccfde44e
MD5 hash:
92375bbe617a55d2d3a1aa299f76de2f
SHA1 hash:
26f74ad3e120ea888c1dc2179361297911ae4d68
Link:
https://www.unpac.me/results/a66ff211-31a3-4459-aa49-64179545dc9a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/0e4a21cb651986a7e2c71acdd7bf64079ce959417df8e214c073aba4ccfde44e

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/165042/

Comments