MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e
SHA3-384 hash: 9ac81fbfc0b7a2ebf8c669daa6e9cb51d9cddb18550e469b4a1c9da279e0f08099667cf3aafcb99279cd67215a17aa14
SHA1 hash: 841045173b6760e0a8d74c7398b39d070ab5d6aa
MD5 hash: 8212815fbbba5db281d96809847f1ae7
humanhash: eighteen-sixteen-sixteen-minnesota
File name:Mediform S.A Order Specification Requirement.xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:704'512 bytes
First seen:2020-10-13 10:38:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:CXcrYF5gEXRk+LqMt22/0nqMMwGiAD+AW7Z8XDS9SJmb1fgMp8ssEMEMh:3At2Mt2CrMfGi2x+Z8zS4g8QMR
Threatray 2'436 similar samples on MalwareBazaar
TLSH 01E4029022BC6B66F57FA3F9012250001BF6355B1121F31EAEC2A9DF792AF504792F63
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: desar.xyz
Sending IP: 67.205.150.177
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re: Request For New Inquiry RFQ
Attachment: Mediform S.A Order Specification Requirement.xls.7z (contains "Mediform S.A Order Specification Requirement.xls.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70385/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3009.30382.13350.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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/489522
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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
Sigma detected: Suspicious Double Extension
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: 297204 Sample: Mediform S.A Order Specific... Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 33 www.leapsdistribution.net 2->33 35 www.felicidadeautonoma.com 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 8 other signatures 2->51 11 Mediform S.A Order Specification Requirement.xls.exe 3 2->11         started        signatures3 process4 file5 31 Mediform S.A Order...irement.xls.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 Mediform S.A Order Specification Requirement.xls.exe 11->15         started        18 Mediform S.A Order Specification Requirement.xls.exe 11->18         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 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 39 experileap.com 65.60.61.250, 49755, 80 SINGLEHOP-LLCUS United States 20->39 41 www.xn--fckbar-wxa.com 194.150.248.6, 49756, 80 NOVATREND-ASCH Switzerland 20->41 43 12 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 help.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 09:11:42 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=plairdud5p6bialznwkskdopv2de2hnupg6xig6ujbdxekqdkvpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
370293d95666a952ba140489c797e3c7d82a92cb400e360f7743075aee04ca10
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
914b9ec48f15df901f689ee02624b6b164a57ee6dc6383f7770e432f92faa337
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
9c8e3d4b3014cedaf81092ca9e167bd16ae98e2905e3a7e0ae154b26c387de14
Formbook
ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42
Formbook
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
Formbook
f2cb02b3c504a4db0b43f79aef0d63398d9b984ee84d07acd690a448b63b5636
Formbook
+ 2'426 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/201013-18t2bxn7ax/
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.tripleacafe.com/aqu2/
Unpacked files
SH256 hash:
7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e
MD5 hash:
8212815fbbba5db281d96809847f1ae7
SHA1 hash:
841045173b6760e0a8d74c7398b39d070ab5d6aa
Link:
https://www.unpac.me/results/182c9bb2-b809-497b-abef-bb8601a2d8ec/
SH256 hash:
61a043b24e0f4c434b1cf47afb65d6993752d6aa5ce97f5672dd433c7ce1c707
MD5 hash:
ac8931b1a2e5b064a3a341a81e0218d7
SHA1 hash:
58bc78243498ff26e332f5c9161e2947af00044f
Link:
https://www.unpac.me/results/182c9bb2-b809-497b-abef-bb8601a2d8ec/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/182c9bb2-b809-497b-abef-bb8601a2d8ec/
SH256 hash:
1980e1eeb3061024861d0147537e79e6c2f5b6be80ac1789694dae958db1ac1f
MD5 hash:
473a47201500f76c9ee81120e8001809
SHA1 hash:
06652754dea89be53933705afc5ba3c0fada8737
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/182c9bb2-b809-497b-abef-bb8601a2d8ec/
Parent samples :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 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/7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e

File information

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

Malspam

Formbook

7z b1a56a36f799770be1e16203b5f2e8af65f98c0d0671d536efbde4c170a279a6

Formbook

Executable exe 7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e

(this sample)

  
Dropped by
MD5 3712e745dcb1c345f282c027cacbe366
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70385/
  
Dropped by
SHA256 b1a56a36f799770be1e16203b5f2e8af65f98c0d0671d536efbde4c170a279a6

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