MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1. 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 4 File information Comments
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SHA256 hash: 6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1
SHA3-384 hash: 70035c7b59adcd44a7d6255fd874c721506f5d661529d192fb621e4ff10691a062f0f876fd44f718a1032be7a5665918
SHA1 hash: 5f51dec30f3a649fc49e95e3421bc247cf9c40c7
MD5 hash: 985db7fdfcf2aa38a0b75c22f06b2756
humanhash: delaware-venus-early-nineteen
File name:Solicitud urgente de Quotaion_U1197,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:456'192 bytes
First seen:2021-12-02 17:26:24 UTC
Last seen:2021-12-02 18:50:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 6144:h3j2kQqvZRHs/KTAva0AfvzIBOU5LrBhtIMiHDrH03S0NJQeEv6si/c5U/TU1zN1:101NBxRrPtIhjrUi+QzRoTU1zNBjf
Threatray 11'997 similar samples on MalwareBazaar
TLSH T16BA4DF837540A0EEE07D1637BEC7842D16A22DF59D12860977A3FF5A3E312A11F41A7B
File icon (PE):PE icon
dhash icon 94327292e8ccb4c8 (5 x Formbook, 3 x AgentTesla, 2 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Solicitud urgente de Quotaion_U1197,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-02 17:35:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/10092468-ea4c-427f-9cf9-baff92699cd1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/210834/
Detection(s):
SecuriteInfo.com.Variant.Bulz.930998.24379.20710.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a901e7707a51cfe28b99b8/reports/4150c7d6-2b2c-4447-98f0-44d3662d0580/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fab63692-254c-49fe-8426-eb88e153c537
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900362
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 532838 Sample: Solicitud urgente de Quotai... Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 10 Solicitud urgente de Quotaion_U1197,pdf.exe 3 2->10         started        process3 file4 29 Solicitud urgente ...n_U1197,pdf.exe.log, ASCII 10->29 dropped 13 Solicitud urgente de Quotaion_U1197,pdf.exe 10->13         started        16 Solicitud urgente de Quotaion_U1197,pdf.exe 10->16         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 18 explorer.exe 13->18 injected process7 dnsIp8 31 www.afxwn.icu 156.234.12.248, 49833, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->31 33 www.weqffg.site 162.214.233.244, 49785, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 2 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 msdt.exe 18->22         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-02 17:27:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nzbsgrqdc3zj5tnkfne7xzztyepkhicaz5ztnylxvsjulxnmehaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
60f3b28c265ee86ff2fda42a3147348bf53971060d9b97e2cd631a32f80ee0cd
Formbook
832160e3e8d0fa8b10ae46a52268d0f2aa5a29d2e084c255babe7423c696db53
Formbook
9ea2af324c0b6ab6493a82c59ba4f2aa56d94c5bc830f0e2b5a8288dc63747d4
Formbook
9fa1cc5263270e7856695780225b4084962371dac2f5d7a921d782dc862f0d05
Formbook
ba3c756c27b44d1cb989c1107cbefadcaf40be4b8186f1a8e4641c264e6dfb42
Formbook
c54011773bed423243ea28917f4ee89a825cf2886dbb4b0939bac3e955284c0b
Formbook
d96040239b3b2251bbe2e9aeb3f00cfef3917b6427ce2b42260bb437351e6476
Formbook
dc47322035d2b5d35802751c248f3953a8383997345965d0696ce01c541a7846
Formbook
+ 11'987 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c1h5 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211202-v1emxaaggk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.coralxlix.com/c1h5/
Unpacked files
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/0bea0f2e-8278-4afc-b588-695c03b06934/
SH256 hash:
7b3904cc2b446fb1aa9660596ec5ced43a6b3d3075fd1156345267a59ce1d214
MD5 hash:
0ce595d553365b9c1fcb2a79d727e126
SHA1 hash:
486f4b105d5fade01dde388540362f4d1e5fceb6
Link:
https://www.unpac.me/results/0bea0f2e-8278-4afc-b588-695c03b06934/
SH256 hash:
6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1
MD5 hash:
985db7fdfcf2aa38a0b75c22f06b2756
SHA1 hash:
5f51dec30f3a649fc49e95e3421bc247cf9c40c7
Link:
https://www.unpac.me/results/0bea0f2e-8278-4afc-b588-695c03b06934/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6e4323460316/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 6e4323460316f29ecdaa2b49fbe733c11ea3a040cf7336e177ac9345ddac21c1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210834/

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