MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
SHA3-384 hash: 0c54d65390a95108c192f090b4669edc3024a14d123dcc245cec5f22b37917a14e5fb452cee9fc2f974c7566b10fa906
SHA1 hash: 9985bf3afa61a1ab2e13ea6df7ae2a109380dc7d
MD5 hash: 2f290f29a4f5415e8abb8c5a883fe4c4
humanhash: nuts-idaho-colorado-single
File name:2f290f29a4f5415e8abb8c5a883fe4c4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:392'192 bytes
First seen:2021-12-23 15:10:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:fFDL0rEsMjoAAANrX4nFUDFysBCjyY/rdf9SCbqJCbKXUYcKiukdP7677TXP4ycD:CrUpc8jKyMBqJJUYl617+nXPvc9tGG
Threatray 12'441 similar samples on MalwareBazaar
TLSH T18884120563EC8B26F7FB1BF578F662B017BB7A93982AD31D5D9208CD2671B009641B13
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f290f29a4f5415e8abb8c5a883fe4c4.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-23 15:18:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8f5ef375-f8a6-4a16-ac6f-88fb3913e2ea

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/215991/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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/61c49189ec6c6c14a9ecc0cf/reports/a2f2efc0-d4b0-40e7-ae9a-f00a33ffc8b9/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6bc1b491-22f4-4123-9d1a-c6fc89ed550b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912076
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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 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: 544551 Sample: RvHpTkuMQR.exe Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 7 other signatures 2->46 10 RvHpTkuMQR.exe 3 2->10         started        14 explorer.exe 56 2->14         started        process3 file4 30 C:\Users\user\AppData\...\RvHpTkuMQR.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 16 RvHpTkuMQR.exe 10->16         started        signatures5 process6 signatures7 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Sample uses process hollowing technique 16->36 38 Queues an APC in another process (thread injection) 16->38 19 explorer.exe 16->19 injected process8 process9 21 chkdsk.exe 19->21         started        signatures10 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        26 explorer.exe 1 154 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 15:11:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
29 of 43 (67.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
Formbook
62f75c04145584721209a0d160d0f6b374e6b9465a759aba8e3f6c89ae67938f
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5
Formbook
a65e0c7aa04fbcc56fac5fec78b13d51f6c17fe0ba7f34a58a0529bd414048f2
Formbook
ace8d85c2f02bd3d531cd8d609d23c6d35588ecce52f40a8d129b39a6b1d7723
Formbook
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
Formbook
db31c01119f54e596eccec7e9d909d3344f42e82db94f348cdb0ace3d8ba9bab
Formbook
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
Formbook
+ 12'431 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/211223-skl1yaaaf3/
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/22bbe2e1-617c-4b4b-b14c-e86f6924c4c8/
Parent samples :
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
3dceeaa794d1b8b67ba67c57820ba13f8078801c589747426b0562b5ebf411ca
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
SH256 hash:
bd6164d5100d20a17fdf612deeb09b555c2ab6b97ad5b2a72071bc7b07c3fd1b
MD5 hash:
688d268a9995cb1eb52ffb768d12a571
SHA1 hash:
f7856e2e0b43a9c44800b81816cea9563d720961
Link:
https://www.unpac.me/results/22bbe2e1-617c-4b4b-b14c-e86f6924c4c8/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/22bbe2e1-617c-4b4b-b14c-e86f6924c4c8/
SH256 hash:
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
MD5 hash:
2f290f29a4f5415e8abb8c5a883fe4c4
SHA1 hash:
9985bf3afa61a1ab2e13ea6df7ae2a109380dc7d
Link:
https://www.unpac.me/results/22bbe2e1-617c-4b4b-b14c-e86f6924c4c8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/57a68c7a430c/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/57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f

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: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: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 57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1901647/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215991/

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