MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f. 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: f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f
SHA3-384 hash: 9dba3129065b1e0c97250c182c55574f8289913cd412b4233a411d8d3185a06ec1a2082ca16d4647be8a5089b5b8a41a
SHA1 hash: d24967d3f5f2e7fd1966525fe47ffbf26f5df23f
MD5 hash: 0a60258ac45444b45714c4f4d5b3a56a
humanhash: mobile-earth-florida-steak
File name:Duty checklist and PTP letter.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:970'240 bytes
First seen:2021-01-12 07:25:36 UTC
Last seen:2021-01-12 08:55:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YRcb+iqz+nqCNv5+mmixIYr6Oug013N6H0:YR0rNRp2tgW
TLSH A4257C529BD593C1C7AC16FD1C11726913E1CF35A2D8DF28ED85B0B26A7292801FF1AE
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: dhIglobal.com
Sending IP: 92.118.190.192
From: DHL Express - Clearance Support <clearance_support@dhIglobal.com>
Reply-To: DHL Express - Clearance Support <dhlclearance.information@mail.com>
Subject: DHL New Shipment Advisory Notification: AWB 8529855121
Attachment: Duty checklist and PTP letter.rar (contains "Duty checklist and PTP letter.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Duty checklist and PTP letter.exe
Verdict:
Malicious activity
Analysis date:
2021-01-12 07:56:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5de900f7-1b29-486a-a298-d11d9f938ab6

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/111434/
Detection(s):
SecuriteInfo.com.Artemis0A60258AC454.7081.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/578728
Signature
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 338415 Sample: Duty checklist and PTP letter.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 36 www.escaperoomgeeks.com 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 7 other signatures 2->46 11 Duty checklist and PTP letter.exe 3 2->11         started        signatures3 process4 file5 28 C:\...\Duty checklist and PTP letter.exe.log, ASCII 11->28 dropped 14 Duty checklist and PTP letter.exe 11->14         started        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 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.iric-canada.net 162.255.119.136, 49750, 80 NAMECHEAP-NETUS United States 17->30 32 greentablegoods.com 34.102.136.180, 49748, 49749, 80 GOOGLEUS United States 17->32 34 5 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 05:23:33 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7dx2gaqsfdnntajky5saqx3zcelsmxmylg73l3jb4b7qj4olbnpq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-jfcj8cnc1s/
Behaviour
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.deejayatl.com/khm/
Unpacked files
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/6f930c52-538d-405e-9ea8-d62439b25fa8/
SH256 hash:
5e7b4d724ec8da6426c97e96f1a3dc774942ee4d2944079b14dd523d7581b096
MD5 hash:
badb89fa34f335d44168719e889d8c2c
SHA1 hash:
e6a7e4ab2296b4177cd5399fdca476aa15617140
Link:
https://www.unpac.me/results/6f930c52-538d-405e-9ea8-d62439b25fa8/
SH256 hash:
d074d81c4f3f8ba7ba0b7e2f5c95d0c7943d201df80c97825891cf6590155104
MD5 hash:
57adcb2330050f5528e283536a66f645
SHA1 hash:
5b9e9961e5d491bc436e9e5a5906212486c1e5c1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f930c52-538d-405e-9ea8-d62439b25fa8/
Parent samples :
73b51938efd53695a02c86e7bf50fac91203e43b5808758b2a698ef10475d264
bf38c42157ab2038be6ae374799cb8cd2c55baaa45ab0f4a5f8a06eb0c41a833
8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013
94ff08030a3e4421baf3ad3489d4d757dd4e8aab659aa8a06f99d2d81526d17e
f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f
SH256 hash:
f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f
MD5 hash:
0a60258ac45444b45714c4f4d5b3a56a
SHA1 hash:
d24967d3f5f2e7fd1966525fe47ffbf26f5df23f
Link:
https://www.unpac.me/results/6f930c52-538d-405e-9ea8-d62439b25fa8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f

File information

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

Malspam

Formbook

rar b56721b521cf7a689f01910796f2cf623418d3a67755612497d6e973282bc3d2

Formbook

Executable exe f8efa3021228dad9812ac764085f791117265d9859bfb5ed21e07f04f1cb0b5f

(this sample)

  
Dropped by
MD5 dc265a2d25a17ae1d8d1b52c99243b03
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/111434/
  
Dropped by
SHA256 b56721b521cf7a689f01910796f2cf623418d3a67755612497d6e973282bc3d2

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