MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495
SHA3-384 hash: b0ad6535b607d200d027dcab33120c0ac1f67df72ca852aecd8d9e3bbd4eb87d6a291c032d1ad1a59ac8e1753f8e9d46
SHA1 hash: b1438a4be3328e14716ccb337903f7f223454978
MD5 hash: d4877278452a70aa8a51d34121c231a1
humanhash: beryllium-october-mountain-seven
File name:New Purchase Order 50,689$.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:836'096 bytes
First seen:2020-10-13 12:30:57 UTC
Last seen:2020-10-13 14:21:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uPTjSOxmgWIDhX9NTWapzirAuRip5W8ADciCYLZHw91oYhIuOEyNAmIPia:uP3xiIdXKziTyczY56iduZ6Aqa
Threatray 2'399 similar samples on MalwareBazaar
TLSH 1005E0FA3278CD8BC5BE9DF6A412064243FA5143347EE3C96CC271EE49E5F854A12297
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70453/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.2975.10845.23891.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
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/489670
Signature
.NET source code contains potential unpacker
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 297280 Sample: New Purchase Order 50,689$.exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 31 www.skogsframjandet.com 2->31 33 www.domainemariage.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 11 New Purchase Order 50,689$.exe 3 2->11         started        signatures3 process4 file5 29 C:\...29ew Purchase Order 50,689$.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 New Purchase Order 50,689$.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 touchtoby.xyz 93.89.226.17, 49763, 80 TR-FBSTR Turkey 18->35 37 astrugar.com 91.234.46.213, 49766, 80 SEDMIODJEL-ASHR Croatia (LOCAL Name: Hrvatska) 18->37 39 13 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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495/
Threat name:
ByteCode-MSIL.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 17:02:28 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kv7dy2sxokd4v3u7eisor34ekxkfah35thck5amn2tmkujuo2skq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00c31ece69362a5cccc665bc1d57b48240d5bf53cbb159cb72b26454849e798e
Formbook
1277fb7fda4e11d5c61a6c07df4af7712070f01e002d54683c879c23e739519f
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
2f643214a404b795accc39e864fa47ec2894ba8d87b85f28d4521a7520bf0888
Formbook
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
914b9ec48f15df901f689ee02624b6b164a57ee6dc6383f7770e432f92faa337
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
9c8e3d4b3014cedaf81092ca9e167bd16ae98e2905e3a7e0ae154b26c387de14
Formbook
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
Formbook
+ 2'389 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/201013-sz8swqz5nx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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:
abddfbd59c75e2d0da3545aaef6aef2ecba3b84f1051e36ca61266dcde243af8
MD5 hash:
5cef8908deb214c46ef7d6d341c9d35a
SHA1 hash:
36acfdce83f1ddb79fb5281f7260d8263b75c3fd
Link:
https://www.unpac.me/results/3d5e1ede-1fbb-4c8f-83cd-9e89949f928a/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/3d5e1ede-1fbb-4c8f-83cd-9e89949f928a/
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/3d5e1ede-1fbb-4c8f-83cd-9e89949f928a/
Parent samples :
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495
da625c254e8607b0fdcde2ec95e4ecfd1822cfe736d3d9d48c5795e928fb6b7f
27c9bdfa6cc8c9343b507ee1df148482028afcabda152e356feabd28ecd67eb5
31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad
21ac6b3466ff131a75cea134baddd37412fa73bb5b8697aad76a719346a14648
95cf775c4ff8b1fbaa88f99cf6148cfae8116b5258169dc1bf0dbae42a60f1f1
1aa1c6c264025cc567e70f6ca867a0c6618bd2eb2ec3312730c68a41c0d7e076
a5101910da7817c72ebc45da2ee45900f306a86edc039c9072f6c1e890da6628
d5600a0e6b9fcb8482f7ebd1fedf3f814fbabbbec89773ad612da18385fb5a3b
SH256 hash:
557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495
MD5 hash:
d4877278452a70aa8a51d34121c231a1
SHA1 hash:
b1438a4be3328e14716ccb337903f7f223454978
Link:
https://www.unpac.me/results/3d5e1ede-1fbb-4c8f-83cd-9e89949f928a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Malspam

Formbook

Executable exe 557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70453/

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