MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7
SHA3-384 hash: 02096b5f91f004ebc888a32e121f00eee154fe6b9cf375ad944d1f4f3ddb7192cb9026e7695df86ae1def5af3e699c4d
SHA1 hash: 9e3734c6c3fdb250409ec73513b59250cc7fe115
MD5 hash: 0c87a280c26cdeb9d2fddf088c00eec7
humanhash: gee-romeo-uncle-idaho
File name:order no. YOIMM20190832 pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:649'216 bytes
First seen:2021-07-19 10:32:05 UTC
Last seen:2021-07-19 11:38:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9QfyvUIZbVN+8gh3rbTapEtTlOXpYG/vvwKGF9EhYZBa2NHY:CqvDBN+XhCPPvRauYZBae
Threatray 6'547 similar samples on MalwareBazaar
TLSH T1B8D4E169332BA30CED648BF91C79D1A277BEA42A262DC63C1E88D03CBD7277C56D0551
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
order no. YOIMM20190832 pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-19 10:36:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3671d432-99ee-4efb-93a1-96f4b083c04c

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/172520/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935.2227.10634.UNOFFICIAL
Create hunting rule

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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4f747d30-b410-4084-8e0b-e20efad80472
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818186
Signature
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 dnsIp2 2 Behavior Graph ID: 450597 Sample: order no. YOIMM20190832  pdf.exe Startdate: 19/07/2021 Architecture: WINDOWS Score: 100 31 www.kuryeforum.xyz 2->31 33 kuryeforum.xyz 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 7 other signatures 2->47 11 order no. YOIMM20190832  pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\order no. YOIMM20190832  pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 order no. YOIMM20190832  pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.motherearth-infinity-nature.com 183.181.89.100, 49752, 80 VECTANTARTERIANetworksCorporationJP Japan 18->35 37 www.diypoolpaint.sydney 103.42.108.46, 49747, 80 SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU Australia 18->37 39 9 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 wscript.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:
xloader
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Link:
https://mwdb.cert.pl/sample/b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-19 10:33:05 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkebdozajhlxz4wgnz7wm6vugewynnhfjzsf22hmtidun5dohp3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09c27812888f54ebc6a9f691eed461d3276427e56e318bcc4a65fe00ba8ae363
Formbook
2cb36860a5c534037f85254c899ffd8208a059632be8caae0c27360e0042b3e8
Formbook
2d144aede91490944935dd273b5993d2efce771f5a6f522ef3a403f011920603
Formbook
9dd1647f60992e8249bc9a6eafef1d8a879f2215e4a9e4413a689db6a1030164
Formbook
a98ba3cb7eb936b7edcf60262bb5b78f8584af2f7b41423a62f291c804ef9252
Formbook
caba8bdc24b9da25a337a24142ef84d24e234a4500e809f8e0b8701606f7b083
Formbook
d6774ae6ca85dfb3220ac31355b1ad0e3b9a7fbd769cccce4a26ba48fe6d7148
Formbook
+ 6'537 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210719-c58s268b6n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.innercriticarchetypes.com/h388/
Unpacked files
SH256 hash:
3c18b97a7335a5a90a1c111e8d225e46577b7d29891041bf4e008047df228c13
MD5 hash:
b05cd4938d40b29da7a901979c2a4637
SHA1 hash:
845311ab9c385c87cb7e3a1c93c07d91c02d4a12
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4f8e8874-f753-4d80-92db-b93fd57cbcd3/
Parent samples :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 hash:
052f32c1a8dac70da10eaca9524e21e66b6e29a7e56067be41fa6cd8711d6d78
MD5 hash:
a844f3cc0a3697671c3e888f8d3332b6
SHA1 hash:
89c392dadf79eb9555456852b480187d455afc95
Link:
https://www.unpac.me/results/4f8e8874-f753-4d80-92db-b93fd57cbcd3/
SH256 hash:
452664b7b58cbbe1645de27b6caaede9c912bd30d1460bb5c97d573643b4b18c
MD5 hash:
c0c7f45adc0a73eae42fe0b0cbbddfd1
SHA1 hash:
7bd961ee3c2c27146012cbd510e01a5136269e40
Link:
https://www.unpac.me/results/4f8e8874-f753-4d80-92db-b93fd57cbcd3/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/4f8e8874-f753-4d80-92db-b93fd57cbcd3/
SH256 hash:
b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7
MD5 hash:
0c87a280c26cdeb9d2fddf088c00eec7
SHA1 hash:
9e3734c6c3fdb250409ec73513b59250cc7fe115
Link:
https://www.unpac.me/results/4f8e8874-f753-4d80-92db-b93fd57cbcd3/
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/b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7

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
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 b28811bb2049d77cf2c66e7f667ab4312d86b4e54e645d68ec9a0746f46e3bf7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172520/

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