MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
SHA3-384 hash: dc8bca38513fbfc499dc2bcc6ee7a884706e3419c0e334063c820ee31d0a0a504c1a37d4c34187bf1907d42253f95919
SHA1 hash: 6ad880cf3ab7cf6d8250e703488b5e8e333ef9e2
MD5 hash: 3f0d9973a309a0f88d2c604e1d571c67
humanhash: bakerloo-nevada-west-green
File name:Invoice No. 21SWZ020.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:209'446 bytes
First seen:2021-04-01 05:25:27 UTC
Last seen:2021-04-01 05:55:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 6144:KqjIF4xyWSFvyXkktjhWeBrAnlpnuHMiqsjj6U0mo1w:rqyFxkOhWmQGHMiqsvXo1w
Threatray 4'478 similar samples on MalwareBazaar
TLSH 022412716AE0D8E3C79225326E712B53ABE5D1213991171363B05BECFB162E5C20F3E2
Reporter fabjer
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice No. 21SWZ020.exe
Verdict:
Malicious activity
Analysis date:
2021-04-01 05:29:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0529e1e2-25bb-40aa-a7c1-8695a9024146

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/130431/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.2394.8463.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/661585
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 379728 Sample: Invoice No. 21SWZ020.exe Startdate: 01/04/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 Invoice No. 21SWZ020.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\0lli477.dll, PE32 10->28 dropped 52 Maps a DLL or memory area into another process 10->52 14 Invoice No. 21SWZ020.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 kp031.com 107.151.74.146, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK United States 17->30 32 www.sarachavesportela.com 217.160.230.101, 49732, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->32 34 17 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 explorer.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-04-01 03:22:11 UTC
AV detection:
12 of 43 (27.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysknz3o7uhemnfcksp4qfrsbvnpzsnjlusfydbe6k5xx3i2tgfga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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00540181c6bbda7cb051c8cf32ab6767bd8c50d0f5de65e7939485849aa69957
Formbook
38b6a40d2eeddf38695294c57971fc2efab81fea95100260a2003baa13616b83
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5ee7421dbf8127f1c6ff086299b2a1c638ca26a61a649f1cb61230814d0ff4e8
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6fac6e1f7f8cdd8cec52b2dd7a23fd434084c7d12ef0f04deaa52794d3612ef7
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786e182e324b83c59ad1b095f7d520598a1b72cfce239b4274d462c7ba45bf18
Formbook
818394d82d92e8a84de4e818eac65bbd15cdfafacdec28c7a73a91f5848c03c4
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86071c5800d553ea0cac697f9188a7b592aa9336bf59302545b14aed8b13ce11
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cf993c713cfe3b22bd4978530f420e2dc54c38d106ad5fc5a9aacb1e377b81e2
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db1a8d7d27c500facb7e8e5c30ff3c9d901c51a550ebdad36e741d518b628c30
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
+ 4'468 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210401-qfgbgnkffe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.autotrafficbot.com/evpn/
Unpacked files
SH256 hash:
b26452615986644a607cbacab1410289ecd3da32b6832a3c89ce86ac140f3cec
MD5 hash:
7bd20a8c6af22e62fac9388bb9dd0f17
SHA1 hash:
c58c4d5db02e2ea1c568443d1bf4e127674a29a3
Link:
https://www.unpac.me/results/3425d10d-91a7-47c7-8fd4-36eaea519963/
SH256 hash:
b17b1bb9663496f478b045120da3f0b83b28448520930193ed2c65de450197a1
MD5 hash:
e446422bb54c5be255558d66be350bf9
SHA1 hash:
ddcf4d40e1987fcd2c66d9467a066516adde6506
Link:
https://www.unpac.me/results/3425d10d-91a7-47c7-8fd4-36eaea519963/
SH256 hash:
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
MD5 hash:
3f0d9973a309a0f88d2c604e1d571c67
SHA1 hash:
6ad880cf3ab7cf6d8250e703488b5e8e333ef9e2
Link:
https://www.unpac.me/results/3425d10d-91a7-47c7-8fd4-36eaea519963/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c

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

File information

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

Malspam

Formbook

arj a0fa1c124c3a6840593670bc7d56c90961a67ab660c4450d4ecfd76f788a45eb

Formbook

Executable exe c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c

(this sample)

  
Dropped by
SHA256 a0fa1c124c3a6840593670bc7d56c90961a67ab660c4450d4ecfd76f788a45eb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/130431/

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