MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10d77efb4e73958ffd46f710968a9c9a525db59b1d54325cd7211b0a0fa8664f. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 10d77efb4e73958ffd46f710968a9c9a525db59b1d54325cd7211b0a0fa8664f
SHA3-384 hash: fb935b807caeda774acea5a3e27bf3c376c19fbbc0f8d156faca8243732849b1256eba7c8dca54b58b6d5c74f07ecb99
SHA1 hash: 371df3b4ab9e04469a47612d91cf76f5b4379370
MD5 hash: 8c0263671777bd334d020336e478e4fa
humanhash: ink-fish-apart-jersey
File name:oA6701eCn5jP7Zm.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'284'608 bytes
First seen:2021-07-26 13:19:48 UTC
Last seen:2021-07-26 13:51:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:hBcOsBgo0q4wM2BmCmTOUd+L6kBXW8IZxQoprudAYUty/TY:hBloHMKmCm6Ud+zBXRIZDy4teT
TLSH T14455BFB11919EF22F4B706BD7472564442B4CD46C5ABCB68FE7332ABC970FC23496A81
dhash icon f0c4e86969e8d4f0 (9 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
oA6701eCn5jP7Zm.exe
Verdict:
Malicious activity
Analysis date:
2021-07-26 13:26:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/19b86d52-b940-4d32-a1a0-a5b64066e5cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/174131/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.953-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
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/acc3e3da-5a2c-4848-88b1-65f1690db4dd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/821790
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 454210 Sample: oA6701eCn5jP7Zm.exe Startdate: 26/07/2021 Architecture: WINDOWS Score: 100 35 www.pepperqueenfarm.com 2->35 37 pepperqueenfarm.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 4 other signatures 2->51 11 oA6701eCn5jP7Zm.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\oA6701eCn5jP7Zm.exe.log, ASCII 11->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 oA6701eCn5jP7Zm.exe 11->15         started        18 oA6701eCn5jP7Zm.exe 11->18         started        20 oA6701eCn5jP7Zm.exe 11->20         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 22 explorer.exe 15->22 injected process9 dnsIp10 39 www.heehan.com 156.226.160.16, 49768, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 22->39 41 plaeralum.com 185.253.45.232, 49772, 80 ROS-MAINUA Ukraine 22->41 43 5 other IPs or domains 22->43 53 System process connects to network (likely due to code injection or exploit) 22->53 26 wlanext.exe 22->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Gathering data
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-07-26 13:19:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
58
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cdlx562oooky77kg64ijncu4tjjf3nm3dvkdexgxeenqud5imzhq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210726-71x4vczfh6/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
CustAttr .NET packer
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.heehan.com/mabs/
Unpacked files
SH256 hash:
5611ac4a66042939d52374eddc3d9b6606e04cfecf7c9b48119144fdeae2a8ab
MD5 hash:
17e7a2b7f6e25237bd7bf2df4e83dcab
SHA1 hash:
1eba9ffc96de54934cc601f79012005a1c43c4b0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4f93fcbb-d40f-4612-8998-9014f6e980da/
Parent samples :
10d77efb4e73958ffd46f710968a9c9a525db59b1d54325cd7211b0a0fa8664f
10a451fc1e7687549d6e116dd5ff984f3468de4dcc6e1494ed16c6c501668eb6
4938b1c8ca1745b33ea6adc31b39e2003646370ec7f52fe1e89af6903a69aaca
SH256 hash:
b2bc07cc8d0152c240ebd0f2b01adee5d6a6f7d92e21cde4d94660bcc57ccfa6
MD5 hash:
5c8e9d04c0f56ecdc6b93c2ed0f62d9c
SHA1 hash:
d18c7731c3cec430bd30e17ee02d88e240b1ac92
Link:
https://www.unpac.me/results/4f93fcbb-d40f-4612-8998-9014f6e980da/
SH256 hash:
6bbd63e7535320afe6042543f9f7420e011128d14c7d349877c9eed041b35453
MD5 hash:
b7429fb6898c320892e6ae50d9681a69
SHA1 hash:
776d46e0bde2f9e66f87b3b20ffa245a02de963d
Link:
https://www.unpac.me/results/4f93fcbb-d40f-4612-8998-9014f6e980da/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/4f93fcbb-d40f-4612-8998-9014f6e980da/
SH256 hash:
10d77efb4e73958ffd46f710968a9c9a525db59b1d54325cd7211b0a0fa8664f
MD5 hash:
8c0263671777bd334d020336e478e4fa
SHA1 hash:
371df3b4ab9e04469a47612d91cf76f5b4379370
Link:
https://www.unpac.me/results/4f93fcbb-d40f-4612-8998-9014f6e980da/
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/10d77efb4e73958ffd46f710968a9c9a525db59b1d54325cd7211b0a0fa8664f

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/174131/

Comments