MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46
SHA3-384 hash: d95a5b572ea7e95354e7caf0d4f78bc693cbf0b819f776496c918ba61c17e258bec6fea668bb2f2fcca7db754081550c
SHA1 hash: a426832c6b424a035cfb30f9d4ba07cd45dc5ce1
MD5 hash: 5f7d0bc54b8cfbfca3057aeddb3c0909
humanhash: seven-comet-tennis-fourteen
File name:SCAN_20210113140930669.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'085'440 bytes
First seen:2021-01-13 07:47:18 UTC
Last seen:2021-01-13 09:38:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:/m/IXiCO//jAVcLjCNHhixpbGTf75X9UfXYcWxo:/Q5jAVcX4Hhi7bGTTLVcW
Threatray 3'395 similar samples on MalwareBazaar
TLSH 96352B40BBD81700F3BD27BC697040615BFAFB55E6B8E31CF86C506A5BA6D5080BE762
Reporter abuse_ch
Tags:exe FormBook geo KOR


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mail-smail-vm45.hanmail.net
Sending IP: 203.133.180.233
From: 신성기업 <sk5012@hanmail.net>
Subject: 견적요청_아인테크_20210113
Attachment: SCAN_20210113140930669.cab (contains "SCAN_20210113140930669.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SCAN_20210113140930669.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 08:28:29 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/16820f43-194c-484d-b108-30022e080bd7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111754/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Fareit.tc.5875.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579888
Signature
.NET source code contains potential unpacker
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338987 Sample: SCAN_20210113140930669.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 9 other signatures 2->48 10 SCAN_20210113140930669.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\fqJdWysg.exe, PE32 10->34 dropped 36 C:\Users\...\fqJdWysg.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp903F.tmp, XML 10->38 dropped 40 C:\Users\...\SCAN_20210113140930669.exe.log, ASCII 10->40 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 14 SCAN_20210113140930669.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 SCAN_20210113140930669.exe 10->19         started        21 3 other processes 10->21 signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 23 explorer.exe 14->23 injected 25 conhost.exe 17->25         started        process8 process9 27 msiexec.exe 23->27         started        signatures10 52 Tries to detect virtualization through RDTSC time measurements 27->52 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 07:48:11 UTC
AV detection:
3 of 46 (6.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eeqksweakuznkobb7oiovkqubwfgiypwm6zzfy2sgep7rfsgl5da._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b514f5e6484c97155dda3e6ee1073f41f19318af2d00d0bec33c6dc7844c3f6
Formbook
38dac51ef91ec8f45bdb2749e2eec758b07e7b9855f2b9b25d2e59783ba9ff41
Formbook
3dde92f19924860f0874ee0fe3fab80a1112c20e18d9782528bd7c471f0f2344
Formbook
3f416eb40a2f3043bb0e16cc684a3cecdae3fee9f340e4adf9ddb700e4bf2cfd
Formbook
5b7c7d4bf17521dddc7ee1accfee37d1b50e89f634e7c67439ae92dcef4c32e3
Formbook
77cc0ec039c99a695a94081d8462ee42b5b526a1da92bf05c65f3ff8fd40ec0c
Formbook
7c7f99d2b695777b5809dcee0723304b77a06ea8c72ec8a9e0967e4d8584d585
Formbook
9010e5361743ddacac6baa4a585ed4d9db9ed3ce65401b012d16923afebe414f
Formbook
c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0
Formbook
d236ee873e8191d24434226bc7b80f0542db7ed43323181b5ee8bc3a3de052cc
Formbook
+ 3'385 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210113-v3abmdnzy2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.midnightblueinc.com/2kf/
Unpacked files
SH256 hash:
2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46
MD5 hash:
5f7d0bc54b8cfbfca3057aeddb3c0909
SHA1 hash:
a426832c6b424a035cfb30f9d4ba07cd45dc5ce1
Link:
https://www.unpac.me/results/be180177-ccc8-4442-9f7a-0687dc260823/
SH256 hash:
c645ac7a94120a53a10164d4944230835f2377750a388b6fd891afc21b2ba30f
MD5 hash:
07ce413074a7c8904549d1031f5f30fe
SHA1 hash:
0bc9048040eeb4742ad8142e456443135e54a74f
Link:
https://www.unpac.me/results/be180177-ccc8-4442-9f7a-0687dc260823/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/be180177-ccc8-4442-9f7a-0687dc260823/
SH256 hash:
f97565ec848cbd571e1e4702f7007a932b65ef1d9709a2f51b196381bbd74733
MD5 hash:
1c39769851bf066784c416a68cb32f2d
SHA1 hash:
7dc878633ddf8763f4ccf356f67a27fae908d227
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/be180177-ccc8-4442-9f7a-0687dc260823/
Parent samples :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 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/2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46

File information

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

Malspam

Formbook

cab e29245e544588c3d87ee3038bf9affb3658b2c18f4c95313d90af7ee99aaf067

Formbook

Executable exe 2120a958805532d53821fb90eaaa140d8a6461f667b392e352311ff896465f46

(this sample)

  
Dropped by
MD5 c0e507c3f7ed542b80064d5c08b31e65
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111754/
  
Dropped by
SHA256 e29245e544588c3d87ee3038bf9affb3658b2c18f4c95313d90af7ee99aaf067

Comments