MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad. 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: 31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad
SHA3-384 hash: 24d9ee56002af034704dded9ffb3ba2159de9fc6cfd87d0fd9b8e920817de276d174483c8e2f43ec577a3065ccc08e97
SHA1 hash: b72063c370f04655f49100b9ceb7fc2030dbc4d0
MD5 hash: a66f75234f80a55723ca776c3f5c2445
humanhash: west-nitrogen-vermont-papa
File name:New Purchase Order 501,689$.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:581'632 bytes
First seen:2020-10-14 15:55:15 UTC
Last seen:2020-10-14 17:01:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:o7B0rJ6Rx5HZwYS7nAK6O6yQ6CZRT+8Ep8OvP6iHJx3gylZr:h6JwXrAK6Om6CZRafmOvBxt
Threatray 2'391 similar samples on MalwareBazaar
TLSH F7C4010172ED7B66E5BE97F46E26104007F4362B2172F64D9DC368DAA462F508E02EF7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: aol.com
Sending IP: 45.156.31.48
From: muhmmadakhlaq1@aol.com
Attachment: New Purchase Order 501,689.rar (contains "New Purchase Order 501,689$.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70925/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42621.24208.16387.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
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/491390
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
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 298253 Sample: New Purchase Order 501,689$.exe Startdate: 14/10/2020 Architecture: WINDOWS Score: 100 31 www.touchtoby.xyz 2->31 33 www.power-realestate.com 2->33 35 3 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 6 other signatures 2->49 11 New Purchase Order 501,689$.exe 3 2->11         started        signatures3 process4 file5 29 C:\...29ew Purchase Order 501,689$.exe.log, ASCII 11->29 dropped 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 vbc.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 astrugar.com 91.234.46.213, 49749, 80 SEDMIODJEL-ASHR Croatia (LOCAL Name: Hrvatska) 18->37 39 11dhhu.top 104.233.180.146, 49741, 80 PEGTECHINCUS United States 18->39 41 15 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 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/31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-14 12:19:24 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gguqiihsm3ycvzikni3ah2ubiyp2e25k4ckoabcivlofnheppwwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0047270c26f603d132bc8e6a67894311356fe2d3c977aa287a09a8261f6b5690
Formbook
23958a583d62bf343e2641dd871d6d788c99649a722fe1908fea9e72e78d17b7
Formbook
27c9bdfa6cc8c9343b507ee1df148482028afcabda152e356feabd28ecd67eb5
Formbook
371a78d5f848b70de0d716586851eec55e92fc1e4e5898943c62c67a99c9e07a
Formbook
7910fbd27cb1e4fd04a3356d45036821ed924ef1b8de3117d677be4938cb5140
Formbook
7c110f7a45aba8f26ba0eb32c024ea55598ec54d9ceda6cf13272a31d2cc6da0
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
Formbook
da625c254e8607b0fdcde2ec95e4ecfd1822cfe736d3d9d48c5795e928fb6b7f
Formbook
+ 2'381 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/201014-mmz3dkfeze/
Behaviour
Enumerates system info in registry
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
Uses the VBS compiler for execution
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.touchtoby.xyz/eao/
Unpacked files
SH256 hash:
31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad
MD5 hash:
a66f75234f80a55723ca776c3f5c2445
SHA1 hash:
b72063c370f04655f49100b9ceb7fc2030dbc4d0
Link:
https://www.unpac.me/results/7ec8e981-f74b-4991-bac5-e83b05e374f4/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/7ec8e981-f74b-4991-bac5-e83b05e374f4/
SH256 hash:
9464bdf646d65f6c751461b62beee6f9962b51df62c8d07fce10d5bb1abee2e5
MD5 hash:
dd2fd330bbcfe25fbdf30bee654a14c7
SHA1 hash:
ee236c0d87259bd73cc7c7d59862e217408925bb
Link:
https://www.unpac.me/results/7ec8e981-f74b-4991-bac5-e83b05e374f4/
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/7ec8e981-f74b-4991-bac5-e83b05e374f4/
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/31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad

File information

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

Malspam

Formbook

rar 48daa8a92babf488c1959bfd5c28400f25aa5c6812c5a5afded68c2e8e00c9ec

Formbook

Executable exe 31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad

(this sample)

  
Dropped by
MD5 8de85aae38c17a2da8470fdfa8441bb8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70925/
  
Dropped by
SHA256 48daa8a92babf488c1959bfd5c28400f25aa5c6812c5a5afded68c2e8e00c9ec

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