MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4. 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: 160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4
SHA3-384 hash: 369fc08a9d08cf9afd3d38351a9e23ad088bb03ace9ac179aa9162347ca88cea48958158bc0bc33c2ed0cd922ab37573
SHA1 hash: c83cdf372ee0017af8a1129193cbb676483ab73c
MD5 hash: a140612ac860624caf7559319a223ec3
humanhash: west-fanta-fifteen-one
File name:cv.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:397'312 bytes
First seen:2020-07-22 09:58:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:wZkjbSthXTPuwvPUm2GhNAr/lvlfL99fRPRIisx58gKz6qPHVYBhJPWN:wKjbStdvPUm2iNSF9u4g66q/OP
Threatray 5'329 similar samples on MalwareBazaar
TLSH 3084CF20F7F81AE9E76947F9E0614414ABB5651E63EAE70E2B91F0DC1932B408713F27
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: server1.swisspac.es
Sending IP: 119.18.63.233
From: Arshad Bhai <assafmak@gmail.com>
Subject: CV
Attachment: cv.iso (contains "cv.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31063/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394882
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249839 Sample: cv.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 4 other signatures 2->66 10 cv.exe 1 2->10         started        process3 file4 50 C:\Users\user\AppData\Local\...\cv.exe.log, ASCII 10->50 dropped 82 Tries to detect virtualization through RDTSC time measurements 10->82 14 cv.exe 10->14         started        signatures5 process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 90 Queues an APC in another process (thread injection) 14->90 17 explorer.exe 1 6 14->17 injected process8 dnsIp9 54 www.leslesbiennes.com 173.82.233.67, 80 MULTA-ASN1US United States 17->54 56 maisondeyul.net 112.175.31.180, 49732, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 17->56 58 www.maisondeyul.net 17->58 42 C:\Users\user\AppData\Local\...\lropljjo.exe, PE32 17->42 dropped 68 System process connects to network (likely due to code injection or exploit) 17->68 70 Benign windows process drops PE files 17->70 22 explorer.exe 1 19 17->22         started        26 lropljjo.exe 1 17->26         started        28 systray.exe 17->28         started        file10 signatures11 process12 file13 44 C:\Users\user\AppData\...\4-0logrv.ini, data 22->44 dropped 46 C:\Users\user\AppData\...\4-0logri.ini, data 22->46 dropped 48 C:\Users\user\AppData\...\4-0logrf.ini, data 22->48 dropped 72 Detected FormBook malware 22->72 74 Tries to steal Mail credentials (via file access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 80 2 other signatures 22->80 30 cmd.exe 2 22->30         started        34 cmd.exe 1 22->34         started        36 lropljjo.exe 26->36         started        78 Tries to detect virtualization through RDTSC time measurements 28->78 signatures14 process15 file16 52 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->52 dropped 92 Tries to harvest and steal browser information (history, passwords, etc) 30->92 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started        94 Modifies the context of a thread in another process (thread injection) 36->94 96 Maps a DLL or memory area into another process 36->96 98 Sample uses process hollowing technique 36->98 signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 10:00:09 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cygf5qa6gavxh6cisutdu6vtwlh33nyftdyngogbwglk7m7rnpca._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0098bf2ef8230d9bb30b451868272ffb271fe63a8c248bfc9ce569991c19f279
Formbook
2ad4a02a1f907b8036b9bea0fd940bfb47435964b23ffae577080823c86500dd
Formbook
4c841c5e0c2382fae670d7f41f7a75f8d8b2c1a03ff7d7c31eff98c1d9912308
Formbook
8c3ab3dfe110988d790808121453336342297777bdac96a10d317bab2b0de2c6
Formbook
b717668f4cb542152a0b021d4c1cce6425692b80cec9c3384d5a5e9b602783ba
Formbook
bc7549c1281f3ce45abcaad7408522374c97421e9031998b7959bd5e59b27a93
Formbook
bfa0531240e8ae03aee76df45f9e4c8748ad739a63f47c81269d7b2ca05fc329
Formbook
cd1a9b8d7f8d830bcb13548fdd9f02a7fae07b7c49fd12bd1a7e02ed346bc010
Formbook
e8edf009c1c82f348ad925f7f9a34b4f241d52240c6cb43ab4536c4b363d5322
Formbook
fca6ebdeec0b760f2faeef8ba5edf6ab9d0141475b5f554ef1678aa4426baaac
Formbook
+ 5'319 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200722-12dpkk5jyn/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4

File information

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

Malspam

Formbook

iso fd0bac5b0b78c5735498fc0a4fdda83a073f2e2f1413065a630c6a9e6864677d

Formbook

Executable exe 160c5ec01e302b73f84895263a7ab3b2cfbdb70598f0d338c1b196afb3f16bc4

(this sample)

  
Dropped by
MD5 5e2c9856667b195d58fd409591aae80c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31063/
  
Dropped by
SHA256 fd0bac5b0b78c5735498fc0a4fdda83a073f2e2f1413065a630c6a9e6864677d

Comments