MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624. 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: 410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624
SHA3-384 hash: a04e132bcbe252eac022c594d7c5d82d41b38f10933ee797b9e0fd6298f66b78adf9b8cc24cdb1c761b68f79c35fd65b
SHA1 hash: 16ec2f5620010e81bfe3e24f689156f38edb3ef0
MD5 hash: 391f754839cd45b21c8439fbcdcbadf3
humanhash: london-maryland-diet-bacon
File name:PO 20-95143_XLS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:943'616 bytes
First seen:2020-10-19 07:24:58 UTC
Last seen:2020-10-19 08:24:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:38B5KK0gXthpA1HBYwb3ya5yUmKNWn0Fj9A1GKZHNYPzodGr/P:ipA1hYwbvyByo0/A1GUKzodGr/
TLSH 0B156A1523F80B09F47B97F1962850419BB67A9A513ED24C7DCD31DE9FB2B010AA3B27
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sigma.elinuxservers.com
Sending IP: 72.34.49.173
From: Fani Pradita <fani_p@ptabb.com>
Subject: RE: PO NO 20-95143
Attachment: PO 20-95143_XLS.arj (contains "PO 20-95143_XLS.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72786/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.23142.29003.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494998
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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
Sigma detected: Suspicious Svchost Process
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 signatures2 2 Behavior Graph ID: 299967 Sample: PO 20-95143_XLS.exe Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 8 other signatures 2->44 10 PO 20-95143_XLS.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\PO 20-95143_XLS.exe.log, ASCII 10->30 dropped 54 Injects a PE file into a foreign processes 10->54 14 PO 20-95143_XLS.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 32 hyundaiturkey.com 34.102.136.180, 49745, 80 GOOGLEUS United States 17->32 34 www.beautychoicecosmetics.com 172.67.192.69, 49747, 80 CLOUDFLARENETUS United States 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 svchost.exe 17->21         started        24 autochk.exe 17->24         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 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-19 02:57:55 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iefrfujrunwaww7irrjonlicuhsqwige3ahtbxsc5jncmd6jeysa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201019-nyhd2pxjbj/
Behaviour
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mybriefbox.com/sdk/
Unpacked files
SH256 hash:
410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624
MD5 hash:
391f754839cd45b21c8439fbcdcbadf3
SHA1 hash:
16ec2f5620010e81bfe3e24f689156f38edb3ef0
Link:
https://www.unpac.me/results/a6a98e87-eea9-4d41-98e8-7ddcfd0f1603/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/a6a98e87-eea9-4d41-98e8-7ddcfd0f1603/
SH256 hash:
7c6b86640e4d95bb8a107f5e18f34dd89482542a808242ff462fc48aec3c42d4
MD5 hash:
6d0c3bedc122a732a98005d64aac4ae4
SHA1 hash:
c921bdaa95ed28d59f60bc954fb635941ac7003d
Link:
https://www.unpac.me/results/a6a98e87-eea9-4d41-98e8-7ddcfd0f1603/
SH256 hash:
d4acd33258b1d3ed7b0aee563686718cfe4e47fa16b002efdecd03b6eae7394b
MD5 hash:
88f7bb341e6d5f3c2a94fa5de3603371
SHA1 hash:
d3be8988a2bf621993bcd71ebf7ecf4e1d60799d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a6a98e87-eea9-4d41-98e8-7ddcfd0f1603/
Parent samples :
a998850fc7940055baac6f61dde2d0e29836c9386ac87555549eeaa1a9998401
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
af61853ca27001c0721463fce68bb033a9084e9fcd0c6ced3acd7fc3ea0e957a
d085d4d4370b02036dfe9de7c9061d88a8a5cd12cbced6dbdca9ba217112375c
410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624
4e98a7f7084a5fa80d8e1dd45e8b8f8a1f9fc891d223cc265524cfcfe3c57c0b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624

File information

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

Malspam

Formbook

zip 2a896544256c6676f27ead7f71225205986d83189846d3fca49e359aa89557d5

Formbook

Executable exe 410b12d131a36c0b5be88c52e6ad02a1e50b20c4d80f30de42ea5a260fc92624

(this sample)

  
Dropped by
MD5 5bb9f193e1160569e23ed816ce6b9dee
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/72786/
  
Dropped by
SHA256 2a896544256c6676f27ead7f71225205986d83189846d3fca49e359aa89557d5

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