MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42. 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: ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42
SHA3-384 hash: 028f019490a9e2fe6af865bb28764a9171227c09144b3677d3be8ed53c5365c0572c8b7eca1f6fda92d7607c453c5451
SHA1 hash: 35ac3404c31fdd0a04b1e40b4d4fd34ee2740616
MD5 hash: e3da16995bd46326009a4b9f2cae336a
humanhash: salami-november-massachusetts-cat
File name:MEDIFORM S.A COMPANY PROFILE DETAILS.xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:698'880 bytes
First seen:2020-10-13 10:37:41 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 12288:1XcrMC0GEfkFOdz6GJNLFqiKaiKFV2s9LqMhaHJvxWSvU6g:kEkoJJEpaiwY0qtJv
Threatray 2'455 similar samples on MalwareBazaar
TLSH EAE402A02B796B56D57AE3FA0235640027F4361B2112F22DDEC36CCF69B9F504166FA3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

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 COMPANY PROFILE DETAILS.xls.7z (contains "MEDIFORM S.A COMPANY PROFILE DETAILS.xls.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70384/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3009.1712.12166.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/489526
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
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: 297206 Sample: MEDIFORM S.A COMPANY PROFIL... Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 33 www.bcd-jeux.com 2->33 35 cdn.onenote.net 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 7 other signatures 2->51 11 MEDIFORM S.A COMPANY PROFILE DETAILS.xls.exe 3 2->11         started        signatures3 process4 file5 31 MEDIFORM S.A COMPA...DETAILS.xls.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 MEDIFORM S.A COMPANY PROFILE DETAILS.xls.exe 11->15         started        18 MEDIFORM S.A COMPANY PROFILE DETAILS.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 www.ijebusconnect.com 154.210.25.249, 49751, 80 VPSQUANUS Seychelles 20->39 41 lemondedebelle.com 81.169.145.92, 49752, 80 STRATOSTRATOAGDE Germany 20->41 43 8 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 mstsc.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/ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 09:11:36 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vqzazt5qayywk3sp7xplaurflkfffo6n7v2vt6kdwyx5jkw2d5ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1277fb7fda4e11d5c61a6c07df4af7712070f01e002d54683c879c23e739519f
Formbook
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
370293d95666a952ba140489c797e3c7d82a92cb400e360f7743075aee04ca10
Formbook
510b24a8ddcc1a99925f07d8ec0b56489930147a95810b787291b3396bd54a7c
Formbook
914b9ec48f15df901f689ee02624b6b164a57ee6dc6383f7770e432f92faa337
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
9963cb9f95312d222c99fac596b5bf02d81ace63ebde79c37e2312d3e2ecd32f
Formbook
9c8e3d4b3014cedaf81092ca9e167bd16ae98e2905e3a7e0ae154b26c387de14
Formbook
f2cb02b3c504a4db0b43f79aef0d63398d9b984ee84d07acd690a448b63b5636
Formbook
+ 2'445 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-yknjx68p9x/
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:
ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42
MD5 hash:
e3da16995bd46326009a4b9f2cae336a
SHA1 hash:
35ac3404c31fdd0a04b1e40b4d4fd34ee2740616
Link:
https://www.unpac.me/results/fa274345-50d5-4a1d-b7b8-2ef94d38f828/
SH256 hash:
f659689b6570a608a865f73722aeb81364a4618db15b4bc87a29d4b6af60cd66
MD5 hash:
048ef90fce3b16df06e3de23cfcdbb85
SHA1 hash:
2c17ab85e5544600a34eb37a5a3925c73e7b538b
Link:
https://www.unpac.me/results/fa274345-50d5-4a1d-b7b8-2ef94d38f828/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/fa274345-50d5-4a1d-b7b8-2ef94d38f828/
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/fa274345-50d5-4a1d-b7b8-2ef94d38f828/
Parent samples :
ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42
7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e
79fe9749c4a7e8297e056cc4f0fbed7130900cd9aa2be3a1339acde4a11ca171
1307127d4024fc9c364c95bd94dae974ab105b088b0701843146cfe961f11205
0040dd5bbff90801dacfa809df431ebbf40ea1008eebe95fbeb718433bfe71cc
754b53cd03dcc7c3d854a9628e5d01447fd778aae73f7890b5f7527ad4bd76ea
3cedd0eac8bec00831ed605f54d9f10fff7c0d7d1d233040ddc78e02d942d928
6b2748e985037153ceb4efe01c3ddf259ba6d4ea07b6d1b0d6aca2d96ca97da5
59be3e15ddff51758d23796f5528e93ff6c5164486bd0416ff25dc0ddc33f29c
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/ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42

File information

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

Malspam

Formbook

7z 4669df31647a3f07157831a0fb5fb29bacd9817f8cce644bb8a8631e210350cf

Formbook

Executable exe ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42

(this sample)

  
Dropped by
MD5 717bda98b95a7f29c367929348435da4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70384/
  
Dropped by
SHA256 4669df31647a3f07157831a0fb5fb29bacd9817f8cce644bb8a8631e210350cf

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