MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80. 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 5 File information Comments
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SHA256 hash: a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80
SHA3-384 hash: 279ff72e4611f1cd5d50afb66d2125c178f2f25b4ea10797cfa15ec15063ca3e659835f16cda6bfce572e8eed6e81a2c
SHA1 hash: 4b3b19df4c34b4ec38c7e5e7c80ef4ac2aafcb4a
MD5 hash: b59e72b55c09881ee7966289eb37a0a8
humanhash: pip-texas-twelve-seven
File name:owen.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:197'085 bytes
First seen:2021-07-02 07:23:50 UTC
Last seen:2021-07-02 07:47:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 3072:iBkfJpRXATwMdFCcGbXLArW7oMjSCreC5Z+lTXZz/whJEd0HnDC2jTS6w/mv11sb:iqjIKXsKLxZKXF/wLEMpRhvsb
TLSH 3C1412077390E4B7D7A346308DBA25127FD58708A0BB178727905ECDBEB23E5582F9A1
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
owen.exe
Verdict:
Malicious activity
Analysis date:
2021-07-02 07:26:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c7c476ac-367d-43aa-aa3f-ee78770a4af2

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/169299/
Detection(s):
SecuriteInfo.com.Gen.Variant.Barys.127331.24362.24377.UNOFFICIAL
Create hunting rule

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/f761bb32-ca72-47a5-8db5-3a563b1a89f0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810954
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: 443365 Sample: owen.exe Startdate: 02/07/2021 Architecture: WINDOWS Score: 100 31 www.universitetsplassen.com 2->31 33 www.artyzenstudiosart.com 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 3 other signatures 2->49 11 owen.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\diejc.dll, PE32 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 owen.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 fiat500usedparts.com 81.169.145.66, 49731, 80 STRATOSTRATOAGDE Germany 18->37 39 modernlegalistic.com 94.130.237.155, 49749, 80 HETZNER-ASDE Germany 18->39 41 12 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses netstat to query active network connections and open ports 18->53 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-07-02 07:24:09 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u237ptalomv5mrtd7sggtm6yrikvul57nygaqv2dlszhpwdof2aa._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210702-r9t3jdzkfe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.forward.school/a8si/
Unpacked files
SH256 hash:
8c35c0091801aeb65368babddb0b91f3457d52cf7830d34e5759c402f38a5198
MD5 hash:
00d4fcfa40d6fbdb163fa6d466f71571
SHA1 hash:
34dc1f3dc071eafd85661d3c97b72dd3d49d9088
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/37738b0a-fc77-40fc-914f-1b7161a5a300/
Parent samples :
228f0e866b6580e0799a21147d9fbf4d6e56a5b89b9b68dcb29ca4d15d18f484
a65e94056f4196ac076a6cbd588bd094edb4f7dc9d9f5e1691817a4abc70be4b
07af0ffdb9e42eb6ca145708be323b7641311d943d28ba746d5f16dd4c5a3eed
a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80
SH256 hash:
43025f8bf86ae9ea80208f9e7a982fde82ba1e98dfb706b0b0dcfd8148c62a6f
MD5 hash:
90ed6be87ab9a2e6b34eb0f5a5080aa6
SHA1 hash:
b08da4a7b490022a70c3a233e187158e7611f8be
Link:
https://www.unpac.me/results/37738b0a-fc77-40fc-914f-1b7161a5a300/
SH256 hash:
a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80
MD5 hash:
b59e72b55c09881ee7966289eb37a0a8
SHA1 hash:
4b3b19df4c34b4ec38c7e5e7c80ef4ac2aafcb4a
Link:
https://www.unpac.me/results/37738b0a-fc77-40fc-914f-1b7161a5a300/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.67
Link:
https://yomi.yoroi.company/submissions/a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

Executable exe a6b7f7cc0b732bd64663fc8c69b3d88a155a2fbf6e0c0857435cb277d86e2e80

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/169299/

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