MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70. 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: 5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
SHA3-384 hash: 39476c6977e5fd809c93a3a55211102c70c68ff16ed87cf6beab9b11a677a1b12b0aecb1d59f978c117320253bd116a6
SHA1 hash: d7de3d945c5e62ee8f7b77a508b8b0682cae713d
MD5 hash: c0fed64dae580efb8fb8308accf76cac
humanhash: high-sad-south-purple
File name:c0fed64dae580efb8fb8308accf76cac.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:488'960 bytes
First seen:2022-01-13 16:13:58 UTC
Last seen:2022-01-13 18:21:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KLOPQWlRGF/Z3I5tefhiKwVD2EpioIYaE252hhW:KLOIW+FWfMir2E4oLg5gI
Threatray 12'764 similar samples on MalwareBazaar
TLSH T18CA4F1113BB8074AF6BF47B90AB4E1414BB2BD196912DA5C5DD072CF1AB7B818B11B33
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Slip.doc
Verdict:
Malicious activity
Analysis date:
2022-01-13 13:11:45 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/cfba3a95-f44f-4c4d-bd4b-1681e785f412

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/219091/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.31828.23046.30749.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e04fe1e997359713e6ea8e/reports/fc7b7f2d-f632-4bc8-9847-1e19d31b4317/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9265b6dc-21b4-49f0-967e-072f29a7e05a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920263
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for domain / URL
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: 552749 Sample: 52h0KETBXt.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 52h0KETBXt.exe 3 2->10         started        process3 file4 33 C:\Users\user\AppData\...\52h0KETBXt.exe.log, ASCII 10->33 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 14 52h0KETBXt.exe 10->14         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 14->17 injected process8 process9 19 systray.exe 17->19         started        22 autofmt.exe 17->22         started        24 autoconv.exe 17->24         started        signatures10 45 Self deletion via cmd delete 19->45 47 Modifies the context of a thread in another process (thread injection) 19->47 49 Maps a DLL or memory area into another process 19->49 51 Tries to detect virtualization through RDTSC time measurements 19->51 26 explorer.exe 1 154 19->26         started        29 cmd.exe 1 19->29         started        process11 dnsIp12 35 192.168.2.1 unknown unknown 26->35 31 conhost.exe 29->31         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 13:26:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 43 (65.12%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
28323d3c8fd1339a7d4f0ebad6ff377545e88c15fdca9b2f21cdd7c72c07622e
Formbook
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
Formbook
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
Formbook
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
Formbook
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
Formbook
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
Formbook
c3e318eafb968f401d5165bb17e765613339ce25e4e48e99ea734580fae06d84
Formbook
db31c01119f54e596eccec7e9d909d3344f42e82db94f348cdb0ace3d8ba9bab
Formbook
e22a659b73048b31aba79fce8de22ddd5a287494b763fec8d5779869dfebbf31
Formbook
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
Formbook
+ 12'754 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a83r rat spyware stealer trojan
Link:
https://tria.ge/reports/220113-tprmnabdgl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
d6981c1972362906d7a54e90b490933e57c4658b604f0127572ce22226653ed7
MD5 hash:
5bd70ea9f1494a448dcc7f93d6e25b4c
SHA1 hash:
bb04b7e5b4398e1cd67f9dc9928bcc3bc2270d8c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/98287869-ced5-4df8-9034-e7e99c3407ba/
Parent samples :
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
3dceeaa794d1b8b67ba67c57820ba13f8078801c589747426b0562b5ebf411ca
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
SH256 hash:
134ba76877b891ff7b6330e6b74c7d262719834cda93e7d73433d1212bc04a78
MD5 hash:
2411d85774ffcee89075526f19f1ee0c
SHA1 hash:
fe1df2544675b6034806c817c7a3b7df003a816d
Link:
https://www.unpac.me/results/98287869-ced5-4df8-9034-e7e99c3407ba/
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
Link:
https://www.unpac.me/results/98287869-ced5-4df8-9034-e7e99c3407ba/
SH256 hash:
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
MD5 hash:
c0fed64dae580efb8fb8308accf76cac
SHA1 hash:
d7de3d945c5e62ee8f7b77a508b8b0682cae713d
Link:
https://www.unpac.me/results/98287869-ced5-4df8-9034-e7e99c3407ba/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5bd07db2eed6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70

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.

Web download

Formbook

Executable exe 5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/219091/
  
URLhaus
https://urlhaus.abuse.ch/url/1962747/
  
Delivery method
Distributed via web download

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