MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386
SHA3-384 hash: a6e4e8b9ff6a0ee78cc83c3d89e1699dd76d0ff844f1c85df6c273181943a7b051a845af61f3bc6959f07d974ed20035
SHA1 hash: a8602b5dc9c0c90d2fbc62b2abae9ea7e3223e1b
MD5 hash: db8251c6fc3e44beaeab29cc7a78ca37
humanhash: two-coffee-mobile-wolfram
File name:RFQ HAN4323.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'171'968 bytes
First seen:2021-03-22 07:39:55 UTC
Last seen:2021-03-22 09:35:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+lU5ytKumMvFRPL9kiS2N4G0g9sKuhnjU0Jo+/jK+o3grgP/FzsQ:+EyTkd2CBjC+rK+o3F/Ns
Threatray 4'269 similar samples on MalwareBazaar
TLSH 1645E60523986BB8E27997755464411D87E87409EA33DFADAD901CCEBBF1B418B37332
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ HAN4323.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:58:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4f3971f0-4ed9-444e-9a2a-c79d1dd8f853

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.594.17938.24418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/647445
Signature
.NET source code contains potential unpacker
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 372687 Sample: RFQ HAN4323.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 39 www.strukkbizworldonline.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 11 RFQ HAN4323.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\AOsSsBc.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp1FBD.tmp, XML 11->35 dropped 37 C:\Users\user\AppData\...\RFQ HAN4323.exe.log, ASCII 11->37 dropped 63 Injects a PE file into a foreign processes 11->63 15 RFQ HAN4323.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 www.caramel-lefilm.com 185.53.177.11, 49732, 80 TEAMINTERNET-ASDE Germany 20->41 43 shops.myshopify.com 23.227.38.74, 49739, 80 CLOUDFLARENETUS Canada 20->43 45 4 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 chkdsk.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 05:07:50 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7pmezohgv55aahyyntul32f5jsywhj3rco3m5ybufmki7oxswoda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
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411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
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6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
9a55287be3d6c8a74a0aa6ee3a5ea4e288ba968e44c271c9ea5d2293c8300d07
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
adcc2671f1168261ceace2da6f28a79e0b3bc2f774fac1d79f4628f494951d24
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'259 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/210322-5ly92jjhpx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.farrsideofleadership.com/ykj/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/4b881f17-035b-44f5-9eb7-a3333f30b6da/
SH256 hash:
fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386
MD5 hash:
db8251c6fc3e44beaeab29cc7a78ca37
SHA1 hash:
a8602b5dc9c0c90d2fbc62b2abae9ea7e3223e1b
Link:
https://www.unpac.me/results/4b881f17-035b-44f5-9eb7-a3333f30b6da/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386

File information

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

Comments