MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08. 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: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08
SHA3-384 hash: acc688e0ea28f2588557d836ede60134569f4e29c41ba64778416abaf5361f10467a2b1b855d7b51b29df1b1e77bce56
SHA1 hash: d9fc2d3ef2af139ad15773b448ce1250c7262651
MD5 hash: 11dd29bb7f2c5cb432b766b5b8dd828d
humanhash: xray-montana-enemy-july
File name:Invoice_xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:318'589 bytes
First seen:2022-01-19 06:24:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owRq724rORIpwLlQeteyqSKHESVtgnrtEvPXHKVB:V7Ipw1teTHKa6B
Threatray 12'918 similar samples on MalwareBazaar
TLSH T12E64238E05D2C5B6D3052FF1861BDB3FD135A70013E1CAE34FA80FEA3A250979A5D696
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_xls.exe
Verdict:
Malicious activity
Analysis date:
2022-01-19 06:33:41 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/d95f8628-0317-4859-beaf-3b44ab5c26e0

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/220459/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/61e7aec4f81da814af8e7fc5/reports/ab5ce2cd-0bbd-4b68-b682-b604acbb8519/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/d42bdc54-d270-407f-852f-3491dd266f52
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923128
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Injects a PE file into a foreign processes
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 555606 Sample: Invoice_xls.exe Startdate: 19/01/2022 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 8 other signatures 2->42 10 Invoice_xls.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\rrlxaouw.dll, PE32 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 Invoice_xls.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.influxair.com 142.132.161.2, 49816, 49823, 49829 UNIVERSITYOFWINNIPEG-ASNCA Canada 17->30 32 xn--snabbtkrkortonline-j3b.com 109.106.246.28, 49798, 80 NETNET-ASRS Serbia 17->32 34 33 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 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/2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 06:25:14 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f4v2j6cuts254gbc6a4ckmvl3tn5n7bk2hznkeqlwte7crpij4ea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
098a32bfcd332f71fdb65cf704994c70cf6390110340c809ae2cc66bddfbde04
Formbook
41baa5cad8fb3ecbaa97116421042ba41a024823638e9b7608c5ac2e2a339525
Formbook
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
Formbook
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d
Formbook
b6766af1afb815c61741089760278a15e9089ae7b14a3537faa4ca6e4ebfdffc
Formbook
bb8e1d48225b002a4da7d0c33051e7fc457e244ed610f536b87702439d978a46
Formbook
bbbb4573dc583a2870aad1d30b310e6e61dae23c5652ae30207a392209d9dd6d
Formbook
f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175
Formbook
+ 12'908 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:3a4h loader rat
Link:
https://tria.ge/reports/220119-g6nk4sfef7/
Behaviour
Enumerates system info in registry
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
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f9721fe7a6b36d892de9160791833060e58c964b3de35968f79902d70c1254de
MD5 hash:
c818723efb833b6e9fc4df2820f3655a
SHA1 hash:
77ccee3a70fa73132f4b92630ff70c4afd614d4f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/462c37cb-1db9-495a-897e-c679fb2ed05c/
Parent samples :
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08
cdd5fd48f46fd97ca375305008e09d2f6ef61be714c292f22a676ed827ede804
67bf345a4ea3e03b4b58a7d9e47f9d31a93f79fefe4e69067ee6c15250930169
d80690916721f1f23e0c913d3f6c71428464e8141a49763c75e450ef21d984e8
e8720afe9895124761086a0f00aa515997015669cc5332aebe99d5ea02ca7377
31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6
SH256 hash:
c9d1cef3f23698f94b58de1123e6634dfc575b51d11a5a4eeb03eef31723101c
MD5 hash:
e52b051e982b688f4338b012105c35c2
SHA1 hash:
eb63d793fd56e83b7b59ddd6b3baa60d7690d451
Link:
https://www.unpac.me/results/462c37cb-1db9-495a-897e-c679fb2ed05c/
SH256 hash:
2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08
MD5 hash:
11dd29bb7f2c5cb432b766b5b8dd828d
SHA1 hash:
d9fc2d3ef2af139ad15773b448ce1250c7262651
Link:
https://www.unpac.me/results/462c37cb-1db9-495a-897e-c679fb2ed05c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2f2ba4f8549c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08

File information

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

Malspam

Formbook

Executable exe 2f2ba4f8549cb5de1822f0382532abdcdbd6fc2ad1f2d5120bb4c9f145e84f08

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220459/

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