MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771dabe6b8193e58aacc414d861dfa2d229906f7a414e64feea3466b49adebea. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 771dabe6b8193e58aacc414d861dfa2d229906f7a414e64feea3466b49adebea
SHA3-384 hash: e2ea7fd4eb175f20ac0066e24b6a33fce6c6a52a428c1593a5de35fd5cf0b77e3453a119fee3878ae84d3258435ffeed
SHA1 hash: 7699cb473c67569e6c55fdb68982e26472d448cc
MD5 hash: cdccc41d69374fb098e52aff66d6a387
humanhash: timing-chicken-georgia-maryland
File name:KYC_DOC_.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:519'168 bytes
First seen:2020-11-19 06:47:13 UTC
Last seen:2020-11-27 10:12:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:pygukyx011HdFvE+7OhM3X2bhelzSSJ08YsoGxA64Soz8rbusT:e2HdFvE+78oX2N2doGjozybu
Threatray 2'975 similar samples on MalwareBazaar
TLSH D9B42388E39DC92DD29D39B6F02102481BD7B19F9531CF48EE8494BF1667F6E6608DB0
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
29
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/542295
Signature
Initial sample is a PE file and has a suspicious name
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 320242 Sample: KYC_DOC_.EXE Startdate: 19/11/2020 Architecture: WINDOWS Score: 100 31 www.candleish.com 2->31 33 parking.namesilo.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 11 KYC_DOC_.EXE 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\KYC_DOC_.EXE.log, ASCII 11->29 dropped 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 KYC_DOC_.EXE 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 modernhomeskitchen.com 51.79.191.17, 49736, 80 OVHFR Canada 18->35 37 friendsofhersheypa.com 34.102.136.180, 49726, 49730, 49737 GOOGLEUS United States 18->37 39 19 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/771dabe6b8193e58aacc414d861dfa2d229906f7a414e64feea3466b49adebea/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-11-18 05:29:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4o2xzvyde7frkwmifgymhp2furjsbxxuqkomt7oundgwsnn5pva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3712dc4b66de055750a1bec579febd5a7b8dd4432a77adcf20599db4b0b0edac
Formbook
4173f8d221525a3414e606763b5a61b649ec421c145e7a9bc683d3e8ff5d5c96
Formbook
67b7e3da530df1ab1e868f9c0c1a5793f5b4a5b4fa69610e5e1d186a675c0c85
Formbook
6b2748e985037153ceb4efe01c3ddf259ba6d4ea07b6d1b0d6aca2d96ca97da5
Formbook
754b53cd03dcc7c3d854a9628e5d01447fd778aae73f7890b5f7527ad4bd76ea
Formbook
8c0577ec4537880647e232dc1c3b0c722bb1efc0f8f4ea99729ed3607a1dace2
Formbook
cc10bb6e07911b422b71a6f0ada6d7fed969c7c7bea26976b86f7ea70a43fa41
Formbook
ccc3f57b398f8d8c671c152004ec16ad6646480dd2edc32ff2da50b2c2251bb3
Formbook
ce781d669945daac5963206d33d1727ec37c7379fe0b71a3580dec6e5cc46cf6
Formbook
dc647305de0ae67eff2e86276355bc83aa761b03693459df14d10ae6cd4a3102
Formbook
+ 2'965 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/201119-vqc7tq2hx2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Unpacked files
SH256 hash:
771dabe6b8193e58aacc414d861dfa2d229906f7a414e64feea3466b49adebea
MD5 hash:
cdccc41d69374fb098e52aff66d6a387
SHA1 hash:
7699cb473c67569e6c55fdb68982e26472d448cc
Link:
https://www.unpac.me/results/217a7523-a0b8-4115-b0dd-dc2f941a20d4/
SH256 hash:
4a9c3eab0ef0f80334039ce4eb93cebc43dd4ca63fee56c0f1d341c995896c07
MD5 hash:
991d223e1ff46c6da6cdeedb88cd28f5
SHA1 hash:
400906c05b31d76f3b933c4c9e10b20680af94f1
Link:
https://www.unpac.me/results/217a7523-a0b8-4115-b0dd-dc2f941a20d4/
SH256 hash:
b8bf31a1653fe5b35f132ab3b5870d2603ba2bf8c2adf5811cb546692b83fa8d
MD5 hash:
4e7e34d795ab07e21b9e7e08dd2cf1f7
SHA1 hash:
a1094d320a51133845623d7b3bf1c7c4bfbecdf2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/217a7523-a0b8-4115-b0dd-dc2f941a20d4/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

iso 2bfcf801d5f7ae9fdfda48f17dad885c015cabc63de5546b72750842a3a283ab

Formbook

Executable exe 771dabe6b8193e58aacc414d861dfa2d229906f7a414e64feea3466b49adebea

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2bfcf801d5f7ae9fdfda48f17dad885c015cabc63de5546b72750842a3a283ab

Comments