MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69
SHA3-384 hash: d5e7076acf994d310af811fb56703505effb86291109ee078b9a3716b74a0170808d4490265c3d0b488d108621b059ed
SHA1 hash: 0c11ffa35e85a3626aff7bcd6009adfc8b2f0e27
MD5 hash: fabc474df9fba75f658f28c18a61dc78
humanhash: wolfram-virginia-oscar-edward
File name:Purchase_Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:852'992 bytes
First seen:2022-03-15 07:26:50 UTC
Last seen:2022-03-15 10:15:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:cmmFkwOEocER3uAylQP3EOEUrm6MG4HlfHT5sPBFKwWx8iC1VlTpQXvIavM:Lm+wOelQT9mgSFTkOCjlTpQXw
Threatray 14'218 similar samples on MalwareBazaar
TLSH T1E705010AB3F84F82F07ADBF785645A5487F5B06A0509D6494DCB70CB29B3F0087A9B97
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/250577/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.25660.9672.8717.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62303fccdfdfa8501ca27a27/reports/2d768d56-1690-464b-87f7-a123d6bedb44/overview
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/895b147f-0254-4eab-8932-e58e240bc769
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956770
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 589247 Sample: Purchase_Order.exe Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 8 other signatures 2->44 10 Purchase_Order.exe 3 2->10         started        14 explorer.exe 81 2->14         started        process3 file4 28 C:\Users\user\...\Purchase_Order.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 16 Purchase_Order.exe 10->16         started        signatures5 process6 signatures7 30 Modifies the context of a thread in another process (thread injection) 16->30 32 Maps a DLL or memory area into another process 16->32 34 Sample uses process hollowing technique 16->34 36 Queues an APC in another process (thread injection) 16->36 19 explorer.exe 16->19 injected process8 process9 21 cscript.exe 19->21         started        signatures10 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-15 05:52:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xs7yvednz3q2ft2vyy4lj7k4qfozhn3exseahaqq5x6xznrvvruq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07
Formbook
545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
Formbook
7c9612e73117eb9b9654e161c5d5e8e629fe116422ab512186707b9c31a69d47
Formbook
8e43a83a5cffdeb8d46e2e4cab21793cc15f2309f2fabe2d108d9536deae4757
Formbook
90a995e5f46d21ee81b12ea412a68168fa3bd9b3def1c23f310fec53f007bf77
Formbook
9e41bc1734c4bc894acdc9c08568cb2f1cd01078fa9b5f30d6f18c6383c22863
Formbook
afdf1b728a94beb99d17537a9caa1cad644b86725578ac3fb350cf30c9441e7b
Formbook
e3040d081274f69ab19b0ef88fe0f097350ab57e015b9e6e8edc0de2a8a7f9d3
Formbook
f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
Formbook
+ 14'208 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ct2t loader rat
Link:
https://tria.ge/reports/220315-h95jgaghg9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/aff19878-709b-4a0e-b47a-e8fa066cc87e/
Parent samples :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 hash:
4ffb59b76867dc3ee5df8b1476a82043c8bbfa9679aa90a2e4b937292b3722b8
MD5 hash:
fc6d91ff314356715f5c76ba61240c9f
SHA1 hash:
aac8291f9af1c2e18b8302550ee4d1c96120949a
Link:
https://www.unpac.me/results/aff19878-709b-4a0e-b47a-e8fa066cc87e/
SH256 hash:
22912659f38469870108d61d10c6a18a79abe5f34062a4b0886d3caab91ba1b6
MD5 hash:
a53616f8bed89094dfe2a5e7b68ec3a4
SHA1 hash:
9b462d3f2b116aee64cafab3e9347228ddab8a6a
Link:
https://www.unpac.me/results/aff19878-709b-4a0e-b47a-e8fa066cc87e/
SH256 hash:
d1a497bd4e0cedc5eea606112877b97c37ad271a6e7f7369a09d508a43626fed
MD5 hash:
ec011cf6ea99ae607638e440c9829de3
SHA1 hash:
2a17a12bdd97034a3515b3b316d720c980a823d8
Link:
https://www.unpac.me/results/aff19878-709b-4a0e-b47a-e8fa066cc87e/
SH256 hash:
bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69
MD5 hash:
fabc474df9fba75f658f28c18a61dc78
SHA1 hash:
0c11ffa35e85a3626aff7bcd6009adfc8b2f0e27
Link:
https://www.unpac.me/results/aff19878-709b-4a0e-b47a-e8fa066cc87e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bcbf8a906dce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69

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
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 bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/250577/

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