MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5
SHA3-384 hash: d36b29e24d05a515273a4f2c1804e1d18fe4e68cd0513e3d55ab28878a59eed8709d2877457747be682705e51f1d55c8
SHA1 hash: 160dcd8424db46cfa58ba3bdca7acc66faa748c5
MD5 hash: 2c6f2b4f3cf82baa0211f254b07dae0f
humanhash: fruit-mirror-hawaii-romeo
File name:2c6f2b4f3cf82baa0211f254b07dae0f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:695'808 bytes
First seen:2021-09-07 10:08:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:/mcxy7Zy1Y7U7OQgwDpwlcAPdkTl37+LLSOLnW88l:ec4yCfwD8yOJp8l
Threatray 9'193 similar samples on MalwareBazaar
TLSH T19DE42B3E19FE23279176C7D5CBE48823F6C098AF3133A965A7D747664306A4674C322E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c6f2b4f3cf82baa0211f254b07dae0f.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-07 10:09:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/15b3a279-bae5-47e3-a107-b9c222c015f3

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/185990/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0292bbc9-7657-4854-bccc-3141c09afc28
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/846487
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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 signatures2 2 Behavior Graph ID: 478914 Sample: chUG6brzt9.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 chUG6brzt9.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\chUG6brzt9.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 14 chUG6brzt9.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.borokish.com 185.78.22.74, 49729, 80 TEBYANIR Iran (ISLAMIC Republic Of) 17->30 32 www.techstorecorp.com 91.195.240.117, 49714, 80 SEDO-ASDE Germany 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 help.exe 17->21         started        signatures10 process11 signatures12 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        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 07:02:10 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ybch2lx2afbt4rwcn5toes45gx5dbqm4cnth3regprdyw4n3sxkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
024c67bdc81850f0d4acf648be1016358c78e21a74dbde96b0d753cffd76ffa7
Formbook
0f83f86907255eadae1caec99da48bd60689e359e40938f12453dcb3093851ad
Formbook
24de2bd743d1e6a100fada5dfaf51f9853a52be639eb311aa71b3a42e0a51a92
Formbook
25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62
Formbook
938bf878a5a507a424718a7302d55d36c1ae58fcf571c5da0a6a4a136ee0f736
Formbook
d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
Formbook
e32906edfa8d988075e6d062f5ea60f7550595eeef8f1d2177d387dc51f67a5c
Formbook
facc651f7697bb357b528e0fdcbfcb0601abcaad0f2bd31eee54792aa8ee66e3
Formbook
+ 9'183 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:if60 rat spyware stealer trojan
Link:
https://tria.ge/reports/210907-l6sbhsffap/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lanhaiguotou.com/if60/
Unpacked files
SH256 hash:
0d996612939ebeffcadd4792fed38c20d80ac2ceedc179bd8f3a1d6e321ba20a
MD5 hash:
84024f8e22aedac8fcaef8bb9b81c348
SHA1 hash:
23aa5bdcd9a83b9b69a09f348adc5eed7dda5f3b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/737d5f91-47a4-4b09-99ee-3927fe4d0b9b/
Parent samples :
e32906edfa8d988075e6d062f5ea60f7550595eeef8f1d2177d387dc51f67a5c
0f83f86907255eadae1caec99da48bd60689e359e40938f12453dcb3093851ad
c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/737d5f91-47a4-4b09-99ee-3927fe4d0b9b/
SH256 hash:
0332db9fbf530643ca0d00e9fa927e00b9ec386f484117c412691b7418c3e8c0
MD5 hash:
500c9a5e241e108ddfade00f2af60f08
SHA1 hash:
d4ef4f2d92b9a21e747bcd2ed8d5f4f4fdb42ea7
Link:
https://www.unpac.me/results/737d5f91-47a4-4b09-99ee-3927fe4d0b9b/
SH256 hash:
c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5
MD5 hash:
2c6f2b4f3cf82baa0211f254b07dae0f
SHA1 hash:
160dcd8424db46cfa58ba3bdca7acc66faa748c5
Link:
https://www.unpac.me/results/737d5f91-47a4-4b09-99ee-3927fe4d0b9b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5

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:Embedded_PE
Create hunting rule
Rule name:Embedded_PE
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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 c0447d2efa01433e46c26f66e24b9d35fa30c19c13667dc4867c478b71bb95d5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1589241/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/185990/

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