MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
SHA3-384 hash: 68f159de9f162f02340478af359ebb098deee4d2d93ec32dfed8e86c272dfbeb10525f12aa4ce897fc921b9affe9ddfd
SHA1 hash: b608e3caf85142ac78be24e72d85b1abd54384c0
MD5 hash: 63d45807d6bfb9d7ba0414628c7da25f
humanhash: arkansas-stream-jupiter-batman
File name:LIST.BRR.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:914'432 bytes
First seen:2021-08-11 15:23:06 UTC
Last seen:2021-08-11 16:02:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:V4h/HK7zmpwMjsmrkjmnGXnu8IBpwYL5cyiq3COst23iVAh6UFQxC5KPkkkzwNu/:9ybAufLXlIL2X6UqxCU8wr
Threatray 6'917 similar samples on MalwareBazaar
TLSH T19B150182A69497A4F8391BB51639180113FBBDAFEE31E51D6CC874A63B77E404273B13
dhash icon 70d1c78b330b1b3a (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
366
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LIST.BRR.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 15:30:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1a074750-c189-4a8b-b537-77e77bc51761

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/178316/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.24846.29297.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/657035c0-08da-4901-bc57-3f9aac8023a2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/831084
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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: 463520 Sample: LIST.BRR.exe Startdate: 11/08/2021 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 7 other signatures 2->42 10 LIST.BRR.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\LIST.BRR.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 LIST.BRR.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.zikarak.art 172.67.143.189, 49759, 80 CLOUDFLARENETUS United States 17->30 32 www.toprooferelpaso.com 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 cmd.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-11 14:49:50 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lzwnlvrzvy5zijot4eo62k5jwbkl2keqhz6jvz5roavit7dgxfjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0655ee712ee939add7c23e011eb887fe70f085e1fea6df1dbeb07bc8df7ffdb7
Formbook
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
Formbook
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
Formbook
395171260fafe84055b84b5cae4ddd1d48ae4c49088867ed7a4e58de2394ac55
Formbook
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
Formbook
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
+ 6'907 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bkbk rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210811-djw1a4cya2/
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.aozhengaodi.com/bkbk/
Unpacked files
SH256 hash:
89bd26b3006094a6a975bb829971ca25912f56d46a89a17ebfeb4376d893b297
MD5 hash:
a805040f871ff81beb0a3874b72f6049
SHA1 hash:
2d5a9586fb7e6019883325921bdda92c7e50fe12
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bacf3694-fc0d-4af9-a253-f7795293f9e8/
Parent samples :
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
SH256 hash:
4bb024ac1d994871fc267c509d731b8449032885caac8187be446700901879fd
MD5 hash:
ae6410deceedb4bc31e29a3b91965925
SHA1 hash:
7f6b7f31ee1786c31e0b7979dcbd82c6aa0a4b3b
Link:
https://www.unpac.me/results/bacf3694-fc0d-4af9-a253-f7795293f9e8/
SH256 hash:
1b7d4808ca837fa58aa0bd913a1de70c211a7c4309486f1634a45e91bc9e389f
MD5 hash:
01d3cf2d3356d333155f058a3d1fbc58
SHA1 hash:
dc49241d832f1c2df3ddde4c50cd8ac12d6d795a
Link:
https://www.unpac.me/results/bacf3694-fc0d-4af9-a253-f7795293f9e8/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/bacf3694-fc0d-4af9-a253-f7795293f9e8/
SH256 hash:
5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
MD5 hash:
63d45807d6bfb9d7ba0414628c7da25f
SHA1 hash:
b608e3caf85142ac78be24e72d85b1abd54384c0
Link:
https://www.unpac.me/results/bacf3694-fc0d-4af9-a253-f7795293f9e8/
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/5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953

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
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.

Malspam

Formbook

Executable exe 5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178316/

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