MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
SHA3-384 hash: 8876d6cdc06251e79b811c9347ca564f1386f095464befb45375c40028c21a003188e9dafc38102554e70052c5c92601
SHA1 hash: f76dc23da1d8ac882edfee4d2f07bb48f00dd17c
MD5 hash: 12992accec225e9f9698c02a93180bf7
humanhash: queen-spring-uranus-east
File name:New Purchase Order 50,689$.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:546'816 bytes
First seen:2020-10-10 06:53:13 UTC
Last seen:2020-10-10 08:05:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:fldpPHGeY/q93ZE41BpSt+l05X8JaPomU5J1nM+:FOE9ObECi+hUJj
Threatray 2'380 similar samples on MalwareBazaar
TLSH D7C4230197DE5326D63E1BF8A7B4617003B6C40B65A6F72D0E75B9D3BCA23938952703
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sonic313-56.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.185.31
From: Remia Fomitche <fomitcheremia@aol.com>
Reply-To: Remia Fomitche <fomitcheremia@aol.com>
Subject: Re: Purchase Order Details
Attachment: New Purchase Order 50,689.rar (contains "New Purchase Order 50,689$.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69701/
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
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487413
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296150 Sample: New Purchase Order 50,689$.exe Startdate: 10/10/2020 Architecture: WINDOWS Score: 100 31 www.wowdaebak.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 8 other signatures 2->45 11 New Purchase Order 50,689$.exe 3 2->11         started        signatures3 process4 file5 29 C:\...29ew Purchase Order 50,689$.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 New Purchase Order 50,689$.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 astrugar.com 91.234.46.213, 49738, 80 SEDMIODJEL-ASHR Croatia (LOCAL Name: Hrvatska) 18->33 35 littletram.com 34.102.136.180, 49733, 80 GOOGLEUS United States 18->35 37 22 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 rundll32.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 16:33:44 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5brs7dr6he24nemvhkzjbahagbvsqiar2tyjxxph3wdfm54onfq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00c31ece69362a5cccc665bc1d57b48240d5bf53cbb159cb72b26454849e798e
Formbook
0f73e9d58b85ae9061722f0720ab2f76f9884042b9ac260e5c102564d4572004
Formbook
1277fb7fda4e11d5c61a6c07df4af7712070f01e002d54683c879c23e739519f
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
2f643214a404b795accc39e864fa47ec2894ba8d87b85f28d4521a7520bf0888
Formbook
3d7664dcebcb7d20b25a6890a6697a2a293239ea13f00695722d1dce023c8cb6
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
88d485f91575565bbb932071c23911a6899478490ab2b729bc96bbd19327b2c0
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
d0834d9c3b1c362289e0905285aeb0b28490cc5eacb5752080c6553c75d4b00b
Formbook
+ 2'370 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201010-4bcp9rs5je/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Malware Config
C2 Extraction:
http://www.touchtoby.xyz/eao/
Unpacked files
SH256 hash:
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
MD5 hash:
12992accec225e9f9698c02a93180bf7
SHA1 hash:
f76dc23da1d8ac882edfee4d2f07bb48f00dd17c
Link:
https://www.unpac.me/results/4b45f718-abb6-44d7-bc17-cd440d2ce1ba/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/4b45f718-abb6-44d7-bc17-cd440d2ce1ba/
SH256 hash:
5e99abde549a7cd10031aba5406b540612e919d024417eeb50c3bdf908a7a7cb
MD5 hash:
328a62a6dde7225f0f2232c6d1f7c2d4
SHA1 hash:
f2278c72a789ccfa59da9acb952f4e919cd22ad8
Link:
https://www.unpac.me/results/4b45f718-abb6-44d7-bc17-cd440d2ce1ba/
SH256 hash:
efd0f2abc20fb62394f63208f97c501d0feb625b3e69fa6e177d9dd0d3c7a4c8
MD5 hash:
0ce63e59a69c42e59a610c2d774f852e
SHA1 hash:
0f001b240d96471f0ccac3ce1369122476370163
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4b45f718-abb6-44d7-bc17-cd440d2ce1ba/
Parent samples :
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495
da625c254e8607b0fdcde2ec95e4ecfd1822cfe736d3d9d48c5795e928fb6b7f
27c9bdfa6cc8c9343b507ee1df148482028afcabda152e356feabd28ecd67eb5
31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad
21ac6b3466ff131a75cea134baddd37412fa73bb5b8697aad76a719346a14648
95cf775c4ff8b1fbaa88f99cf6148cfae8116b5258169dc1bf0dbae42a60f1f1
1aa1c6c264025cc567e70f6ca867a0c6618bd2eb2ec3312730c68a41c0d7e076
a5101910da7817c72ebc45da2ee45900f306a86edc039c9072f6c1e890da6628
d5600a0e6b9fcb8482f7ebd1fedf3f814fbabbbec89773ad612da18385fb5a3b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b

File information

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

Malspam

Formbook

rar ec1f066d313143220eb12abb23af311e4959685d564add3db0cd907c47e40eaf

Formbook

Executable exe 7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b

(this sample)

  
Dropped by
MD5 72af61b658285b49cfc06ecddcd47b12
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69701/
  
Dropped by
SHA256 ec1f066d313143220eb12abb23af311e4959685d564add3db0cd907c47e40eaf

Comments