MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1
SHA3-384 hash: c9d0caae1cd529ae7535fbc936bd3bdbd3949dfdc881e66201729df16675dc242f6afb3087b8e927c74828a153a01f6e
SHA1 hash: 58f48a5a960eac4ee1f33ea16075cfd44f37b3a3
MD5 hash: f03bf8d3ecc2ae4b40f836c59ac09bdf
humanhash: black-lamp-montana-bravo
File name:NQBNpLezqZKv1P4.exe
Download: download sample
Signature Formbook
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File size:714'240 bytes
First seen:2021-07-22 11:12:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4G0UB38XcvIFwXbrQtx0ChxIWzZc8o5UJAfEsyaUVKnp:4G0E8XcQWbVuSt5TfEzahp
Threatray 6'677 similar samples on MalwareBazaar
TLSH T1BEE4E078671FA700DD3887FC2C59D1512BFAA01EA25EDB683F9880BC7C72AB856F0551
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NQBNpLezqZKv1P4.exe
Verdict:
Malicious activity
Analysis date:
2021-07-22 11:16:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/448c8978-3ec8-4410-8499-7a4a1b91ed3b

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/173283/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
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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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2c598634-6ea0-49a1-8d64-0bab0310239a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820062
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 452473 Sample: NQBNpLezqZKv1P4.exe Startdate: 22/07/2021 Architecture: WINDOWS Score: 100 31 www.fbgroupsmadesimple.com 2->31 33 fbgroupsmadesimple.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 3 other signatures 2->47 11 NQBNpLezqZKv1P4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...29QBNpLezqZKv1P4.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 NQBNpLezqZKv1P4.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.boicity.com 156.241.53.21, 49763, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->35 37 www.sh-zzjy.com 156.241.53.248, 49766, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->37 39 7 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses netstat to query active network connections and open ports 18->51 22 NETSTAT.EXE 18->22         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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
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Status:
Malicious
First seen:
2021-07-22 11:13:03 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fzgprcsdjveeav74ycimw7pf323ngdeoadndhhein4sif5vh5pqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0be0e163dc73ff0278c2a645bb15a50db6e59bf1aa293dd718c96c27f73f8db7
Formbook
36f75bca9696563fcf8d51cc8cf33685de3caa6618d2c2e61560349a4179188b
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
6fac6e1f7f8cdd8cec52b2dd7a23fd434084c7d12ef0f04deaa52794d3612ef7
Formbook
a50394b33bb3fcf6c7413c2d5ba949329430d46b8e8870a9e26b8c65abd8598d
Formbook
a6169937c872aefc3f1e5c13e40f05d9cb0cbba3a16490f134b810b47027b035
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
b5e3426a888ddb5751f9802093f1bd10ec696b2994bee03b99b7ba2b4f21a57d
Formbook
e5f7cb84edebaf0001ec05453d5af3f4857473e78cf501247e0f566df64bfe39
Formbook
f5a2547fc06aeb5416ee308668f2091e0e21c07b57aa6f4e5db47e06e6899a73
Formbook
+ 6'667 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210722-mlj8aw97c2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.extraclass.xyz/4nn8/
Unpacked files
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/6a14a684-3726-49da-898a-524de9129acb/
SH256 hash:
2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1
MD5 hash:
f03bf8d3ecc2ae4b40f836c59ac09bdf
SHA1 hash:
58f48a5a960eac4ee1f33ea16075cfd44f37b3a3
Link:
https://www.unpac.me/results/6a14a684-3726-49da-898a-524de9129acb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1

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.

Malspam

Formbook

Executable exe 2e4cf88a434d484057fcc090cb7de5deb6d30c8e00da339c886f2482f6a7ebe1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173283/

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