MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5d57b063eeb8b59a0d22007e4698b75e7f16d2144636fd0610661a733b5b1b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c5d57b063eeb8b59a0d22007e4698b75e7f16d2144636fd0610661a733b5b1b
SHA3-384 hash: 7032b34c310106eadc7b4341d08a31fe0ef28b7119634121df8f0deb35449d7fd48ed22d9596d49f91bdfc92f757fb6d
SHA1 hash: 43706a6bf5300d67d80464aaeda18914e01d5059
MD5 hash: 47d39a5c7855836010a58327d5a3c815
humanhash: lamp-ohio-london-illinois
File name:new FOB order.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:538'624 bytes
First seen:2022-02-06 12:53:23 UTC
Last seen:2022-02-06 13:15:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:oD4iIVoIb1YYhjNJINo505YY3UE1xIYo4Y+2FCjH+gwD1vhMxda257yTa:VVoHWB+1h3IqsCjH+RPmda
Threatray 13'175 similar samples on MalwareBazaar
TLSH T166B4D09039B88FE1E57E8BF8212A7CA007F0356FA4D6E55F0FD861C56AA4F451A44E0F
File icon (PE):PE icon
dhash icon c8d6d6d4dcd8d9c8 (5 x AgentTesla, 4 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new FOB order.scr
Verdict:
Malicious activity
Analysis date:
2022-02-06 13:44:13 UTC
Tags:
trojan formbook
Link:
https://app.any.run/tasks/5b8b20e1-4f87-4af5-8d0d-c9aaa5cd9bf8

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/233781/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/61ffc4f39046890c53b08429/reports/81c0e890-876d-47b1-9cc7-66112391678a/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c996a63-6c95-479b-a15f-4849d1436868
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/934766
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 567244 Sample: new FOB order.scr Startdate: 06/02/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 10 new FOB order.exe 3 2->10         started        process3 file4 33 C:\Users\user\...\new FOB order.exe.log, ASCII 10->33 dropped 13 new FOB order.exe 10->13         started        16 new FOB order.exe 10->16         started        18 MpCmdRun.exe 1 10->18         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        process7 dnsIp8 35 www.2020mortagelifeinsurance.com 199.59.243.200, 49790, 80 BODIS-NJUS United States 20->35 37 www.reviewopenaccess.biz 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 26 systray.exe 20->26         started        signatures9 process10 signatures11 49 Self deletion via cmd delete 26->49 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c5d57b063eeb8b59a0d22007e4698b75e7f16d2144636fd0610661a733b5b1b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-06 12:54:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrovpmdd524llgqneiah4ruyw5ph6fwscrddn7igcbtbu4z3lmnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
3090eb9593159bb7832f0d55b935396e585d8095b4c7c5f07922848a41a20d70
Formbook
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
Formbook
76c2944d78f0dac034e5a7cc6a916c30e66a88aaaaf3481b9af71db7bcdf9ca6
Formbook
8ddc14ac94185fbe27b3764fb4e24fd8c25626a465074e8f640955a6f3409c08
Formbook
96de11fc0f948fc3039f297475ba8abfcedaa7a9718634359286fe49156cd216
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
dcec29b67b720887c02915f7eb210942445a64e450f03bf12ca03ed345bc300a
Formbook
f2d58fc68302fb9cfc6ba93ca4f01f17c8baf7fef4cdfef59638e61fa4f54ad4
Formbook
+ 13'165 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s16r rat spyware stealer trojan
Link:
https://tria.ge/reports/220206-p476qsacg5/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
dba88743bd48da8979345d7fb414a23e693ea124f9bad75c18c9496fbbf4942c
MD5 hash:
06ee9717e415654f0daf2ac073e175a5
SHA1 hash:
774f649c6aaa48fb6a1a676902b821bc16a09601
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce3fc616-80c5-4114-9f95-66b35b29e2cf/
Parent samples :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 hash:
420d92211c3113f626b2fffd9b874bbe2635d64dabffea3bcaf36176601cd456
MD5 hash:
73553e3d0c1cdc6feeecc933e6bb8bf9
SHA1 hash:
896405674e2e812936a9331a239df95159fd6c06
Link:
https://www.unpac.me/results/ce3fc616-80c5-4114-9f95-66b35b29e2cf/
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/ce3fc616-80c5-4114-9f95-66b35b29e2cf/
SH256 hash:
4c5d57b063eeb8b59a0d22007e4698b75e7f16d2144636fd0610661a733b5b1b
MD5 hash:
47d39a5c7855836010a58327d5a3c815
SHA1 hash:
43706a6bf5300d67d80464aaeda18914e01d5059
Link:
https://www.unpac.me/results/ce3fc616-80c5-4114-9f95-66b35b29e2cf/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4c5d57b063ee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4c5d57b063eeb8b59a0d22007e4698b75e7f16d2144636fd0610661a733b5b1b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/233781/

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