MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c
SHA3-384 hash: 95e68c621c811342a631de1651d6491d657597827a0554637f41df0ffc715eb20b2799db421616b697056a822bb1e5a4
SHA1 hash: 531cae58d7feb2b9ac3b3a4b83a592a05c09e9c0
MD5 hash: dd9422e7511983dd7c4ddd3de7959e1f
humanhash: monkey-golf-vermont-high
File name:M1k8VQZurHPg7DB.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:693'248 bytes
First seen:2020-10-06 06:49:28 UTC
Last seen:2020-10-06 08:12:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7eulEuY9EONRJWW9pincZsB0UssCUXYu8Ca9hbPVgea0wyD:hPqjincZsTsRUXr83PW0FD
Threatray 23 similar samples on MalwareBazaar
TLSH E7E4D00112F85B1ED43D5BFB20E8011447B26D12AC6FE35A7EF1B4E12DB2B954A2772B
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: sonic308-3.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.130.42
From: susan harrell <susan88harreil@yahoo.com>
Subject: : Fwd: Wire Transfer Payment
Attachment: D96309.rar (contains "M1k8VQZurHPg7DB.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68496/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
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
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/482493
Signature
Detected FormBook malware
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
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 dnsIp2 2 Behavior Graph ID: 293704 Sample: M1k8VQZurHPg7DB.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 48 www.trusted-inspections.com 2->48 50 trusted-inspections.com 2->50 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 10 other signatures 2->64 11 M1k8VQZurHPg7DB.exe 6 2->11         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\KnowzuGDlH.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpB6F8.tmp, XML 11->42 dropped 44 C:\Users\user\...\M1k8VQZurHPg7DB.exe.log, ASCII 11->44 dropped 76 Tries to detect virtualization through RDTSC time measurements 11->76 78 Injects a PE file into a foreign processes 11->78 15 M1k8VQZurHPg7DB.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 80 Modifies the context of a thread in another process (thread injection) 15->80 82 Maps a DLL or memory area into another process 15->82 84 Sample uses process hollowing technique 15->84 86 Queues an APC in another process (thread injection) 15->86 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 52 thetruthpublished.com 34.102.136.180, 49729, 49730, 80 GOOGLEUS United States 20->52 54 www.thetruthpublished.com 20->54 56 www.pqlzlnwpz.icu 20->56 66 System process connects to network (likely due to code injection or exploit) 20->66 26 msdt.exe 18 20->26         started        signatures11 process12 file13 36 C:\Users\user\AppData\...\LP1logrv.ini, data 26->36 dropped 38 C:\Users\user\AppData\...\LP1logri.ini, data 26->38 dropped 68 Detected FormBook malware 26->68 70 Tries to steal Mail credentials (via file access) 26->70 72 Tries to harvest and steal browser information (history, passwords, etc) 26->72 74 3 other signatures 26->74 30 cmd.exe 2 26->30         started        signatures14 process15 file16 46 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->46 dropped 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 34 conhost.exe 30->34         started        signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-06 05:48:47 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=duneszbugojc53h5pyncp7ltrhbig7zgtdmjejvqpy4h5ozhavga._file
Verdict:
unknown
Similar samples:
19ba233cbdf877627f6fdf82a471ced4c656ebab7a7205df943375d3ee12f746
FormBook
2408f4144f6b51601965eef8aaf6d78400e34e6599e59801dc6b5e48d385a077
FormBook
31965200cd068b9a5d9a8841c71c7745eb5e6ceeecc5d613db7a34c74950b029
FormBook
3bd7b6261362b1891ea51a8516568d65cae3b59b6d4677cef8ad5d6eb1b2c600
FormBook
68a2e4d305b0efaf19d4a4618b2e043a0b67edc0848936a8c74d90ab22474980
FormBook
82e83d252610457f622c416ff561c954243eac2f0eac248cf483756c138573c5
FormBook
9487b74400929b49dacce8735bc1b6fe790e048d037fcae9d4ce1f48668503ad
FormBook
9afa65760fd44752efe5e36713bec2ee0ce730a53896e1182bd8ff0737efa2c1
FormBook
cd09ee5a8782f78da8388d9d5f0b7322c43ee1cf55235837d4925d4ef1a7233d
FormBook
e44a6bffebf7998e64b2668c6a20b597ccf00d81be8e4a425de0fbec7886c4bc
FormBook
+ 13 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/201006-by4k9zhsqe/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.trusted-inspections.com/k8b/
Unpacked files
SH256 hash:
1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c
MD5 hash:
dd9422e7511983dd7c4ddd3de7959e1f
SHA1 hash:
531cae58d7feb2b9ac3b3a4b83a592a05c09e9c0
Link:
https://www.unpac.me/results/f4c672b5-8da9-4ffe-b32f-4610c43d7e68/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/f4c672b5-8da9-4ffe-b32f-4610c43d7e68/
SH256 hash:
ba78b4e113957fc21ee8d47aa9153b5b16cf966861fc93ebc7bf7a61bf33ec1e
MD5 hash:
1e6324f3ad63bd96c5ca13eddd46f9a2
SHA1 hash:
fd373fe338495eb0a1545954260b448192f14a1e
Link:
https://www.unpac.me/results/f4c672b5-8da9-4ffe-b32f-4610c43d7e68/
SH256 hash:
5a144f9e72d86bf7789929db2bb48481a8ce2d876da64d70c74a456658dc0b97
MD5 hash:
78d30848461d468119773c4c949b10b0
SHA1 hash:
91f23f2766aa75da9c6fb67e1dc437f87c2422a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f4c672b5-8da9-4ffe-b32f-4610c43d7e68/
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/1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c

File information

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

Malspam

FormBook

rar ed73416e7e765cb583ff261c7be3537c943617bdde94e5c18e803c24596368d1

FormBook

Executable exe 1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c

(this sample)

  
Dropped by
MD5 51552a94072457cda65dd2b14a2c6c7d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ed73416e7e765cb583ff261c7be3537c943617bdde94e5c18e803c24596368d1
Cape
Cape
https://www.capesandbox.com/analysis/68496/

Comments