MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096. 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 3 File information Comments
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SHA256 hash: bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096
SHA3-384 hash: 4e6dcf59d29fb955e1a10cc685fdef4141c16400011d0f9d4d5d8fc2d138c361fca38aba4471c471e6943388990f79bf
SHA1 hash: 9e58a5e8279e1f0ecd35f45789d422092a988837
MD5 hash: 981296689e6bac38ef77b6815b72e1ec
humanhash: pasta-table-island-foxtrot
File name:Purchase Order 2890.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:716'800 bytes
First seen:2021-11-22 10:08:31 UTC
Last seen:2021-11-22 12:22:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:n8OF+HRZjhDWe/lesAGUlrsm17tmsVzW8u:hsz2sm1RmsZW8u
Threatray 13'281 similar samples on MalwareBazaar
TLSH T1ABE45B30329573A6CC7A4BB40C6461C4277776493D18D75DACC922DEAD62F2B8B237A3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 2890.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 10:11:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a8f06956-7271-4d40-80d8-e5b2d9ba9239

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.10260.19398.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619b6c4094a88037d2fe1944/reports/7285980d-b0d3-4edd-84e3-2068cb94b8e9/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0758f405-7fc9-4cd9-83b8-840d9ef2435a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893712
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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 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 dnsIp2 2 Behavior Graph ID: 526190 Sample: Purchase Order 2890.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 36 www.careruns.com 2->36 38 parking.namesilo.com 2->38 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 7 other signatures 2->50 11 Purchase Order 2890.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\Purchase Order 2890.exe.log, ASCII 11->28 dropped 14 Purchase Order 2890.exe 11->14         started        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 getcashdaily.info 15.197.142.173, 49806, 80 TANDEMUS United States 17->30 32 www.7layerforensics.com 66.96.162.149, 49798, 80 BIZLAND-SDUS United States 17->32 34 11 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 52 Self deletion via cmd delete 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-22 04:24:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xt24cegtvbqc5dcpwi4mg3gb76yaisz3rq6gs6sainslptbe4cla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07108380475747569f5e1eb477ab651bb2d1310368495f147a408b6bdc9a6fb3
Formbook
1836e41307578c7d04069263ba049bb64348e13f1ce41798c7dfd6512334c8ed
Formbook
18e91cbaa2d04fa969e97e947ccd011d494f68eb6375b067f0342a7765fb3119
Formbook
1999253e5409121ca9810f0a75358043ed34c6fbd8444423cd01f935a51ad64d
Formbook
4f2852e38ccd6fa9cce1580220421fc57c80c4978ab11f54f94927974e5ae2a5
Formbook
63abf2ffa58c2c36920a2be604c77ac2a25b2bd5d1d6ba9d81338da21418ff10
Formbook
677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6
Formbook
90995079eb10cbbc7da16c81c68775a46c65a2901eca1731d537192d8266fed0
Formbook
9193d6cb634d0be563a786dbb165b8991093c451aac3a4d82c7bde0213f1e106
Formbook
de77b81edea1415267968223cc3a1d67f95ebf87a8830363492d19e4126f1f2d
Formbook
+ 13'271 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pqbu loader rat suricata
Link:
https://tria.ge/reports/211122-l6sx2sfcal/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.essencetradingltd.com/pqbu/
Unpacked files
SH256 hash:
50633220b75094940020c807705e143bdd2ce7b43fd632d9ed6a91bda186f52e
MD5 hash:
61bbc6c9d59dc154c05f95df647b4dac
SHA1 hash:
ad368be70bfc41d8a3ca94287114304e1d7283d7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e60288c3-2912-4430-975a-70266fddb1a1/
SH256 hash:
44e37fb8df73b4e728b086ccb93d4e77832bb522930e4a793d38f91a36a45eae
MD5 hash:
02cf83732d28e86562a59f7ea65568ab
SHA1 hash:
8240de3bb361537b2dd14b4abe188b78f4b84453
Link:
https://www.unpac.me/results/e60288c3-2912-4430-975a-70266fddb1a1/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/e60288c3-2912-4430-975a-70266fddb1a1/
SH256 hash:
bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096
MD5 hash:
981296689e6bac38ef77b6815b72e1ec
SHA1 hash:
9e58a5e8279e1f0ecd35f45789d422092a988837
Link:
https://www.unpac.me/results/e60288c3-2912-4430-975a-70266fddb1a1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bcf5c110d3a8/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/bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096

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: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 bcf5c110d3a8602e8c4fb238c36cc1ffb0044b3b8c3c697a404364b7cc24e096

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208085/

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