MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22
SHA3-384 hash: 6fbf1f8a6757c92fbb41e7e35b08eed65deca6b7c7e8d91199bdb45c7a2f333b8a623ce9f9fad2b5e2e3b2c4bbc615d7
SHA1 hash: afc86089ca7e954d378133e36e8b23731007a809
MD5 hash: 01300e34a5520415c5ed5c483e687a4f
humanhash: oxygen-bulldog-arkansas-jig
File name:01300e34a5520415c5ed5c483e687a4f
Download: download sample
Signature Formbook
Create hunting rule
File size:535'040 bytes
First seen:2021-06-25 07:40:38 UTC
Last seen:2021-06-25 08:37:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:wnu/CLkVQ3MM3g1UtAnHexm3O0DLsRYjLdEP:wrk6WUtsMkLZmP
Threatray 6'010 similar samples on MalwareBazaar
TLSH DEB49C637105D97FE333D87E5809E5A93C936D2208A5A10D67D933BE04B231162FAB5F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01300e34a5520415c5ed5c483e687a4f
Verdict:
Suspicious activity
Analysis date:
2021-06-25 07:43:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/05234494-7b0d-4672-bf84-2cb0653160ce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/168267/
Detection(s):
SecuriteInfo.com.BackDoor.Bladabindi.1056.15531.13379.UNOFFICIAL
Create hunting rule

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/771f225b-6a6a-4e95-b270-e6f14c308804
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807988
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 440399 Sample: HBenKsn2R8 Startdate: 25/06/2021 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 6 other signatures 2->45 7 HBenKsn2R8.exe 5 2->7         started        11 explorer.exe 2->11         started        process3 dnsIp4 27 C:\Users\user\AppData\...\HBenKsn2R8.exe, PE32 7->27 dropped 29 C:\Users\...\HBenKsn2R8.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\HBenKsn2R8.exe.log, ASCII 7->31 dropped 47 Writes to foreign memory regions 7->47 49 Injects a PE file into a foreign processes 7->49 14 HBenKsn2R8.exe 7->14         started        17 HBenKsn2R8.exe 7->17         started        19 HBenKsn2R8.exe 7->19         started        33 www.tamcotiresshop.com 96.125.162.104, 49745, 80 UNIFIEDLAYER-AS-1US United States 11->33 35 marvinlucassuperpac.com 50.31.98.39, 49733, 80 STEADFASTUS United States 11->35 37 www.marvinlucassuperpac.com 11->37 51 System process connects to network (likely due to code injection or exploit) 11->51 21 explorer.exe 11->21         started        file5 signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 61 Multi AV Scanner detection for dropped file 17->61 63 Machine Learning detection for dropped file 17->63 23 conhost.exe 19->23         started        65 Tries to detect virtualization through RDTSC time measurements 21->65 25 cmd.exe 1 21->25         started        process9
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-25 00:46:47 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ed458c466676594e5feaee03cbd536339dc28c162a266daaccbeaaa7afdb887
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
851ee4f67cc28e3634b0062d77f62222d026c4e9674a894bcdd5b6c6e6bda376
Formbook
ae5df8905dd1b9de509e6764dea4c5571916b1705a129bddf2f5e2e554552acb
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d669d899b7cd236de403fd42807fffcf3600d5070d42e09e21f67ded211a504f
Formbook
d869fa27fd5d5a229609f218572f1625820cb8176ba6c1616714e40d4e6b7897
Formbook
e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
Formbook
+ 6'000 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/210625-l3l6lxj1vn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lifeafterbobby.com/vn3b/
Unpacked files
SH256 hash:
3350c0b7d75f7b2856fde6fe546579027f5b20a6dd12fc04a8df047162abcee4
MD5 hash:
6f67a87376019d461ab0953769ce187b
SHA1 hash:
f2ab719f7f8e81f47f859b0e282803f10d3fd341
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/507968bf-53a2-43b5-a324-64c1bf1dfc5d/
Parent samples :
e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22
e2c0e25768a1b24398536bf921e5e86f9137ecc08e9eba2101fd5213b3ec0fcf
d933001638f194baed0596efe53af5dc534ad6f5177aa8aacf2c25188fbdd2f4
d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
14ebcbc69653d3257eb42c91734bcf2a1ca5dff12c31c06cf955279ea4af5bfd
c36fa12719f133f394b113938584b1d693d4741df4e40d34958dcee239ecd153
SH256 hash:
cf2bad11c1b3761d6d6f3466cae76d6a15f18cda63bdbf9eb05b731ca9f4930d
MD5 hash:
87d9de41e17793c61e594d088565627b
SHA1 hash:
458027da448b6f9849728aaca3d67ec6ea706663
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/507968bf-53a2-43b5-a324-64c1bf1dfc5d/
SH256 hash:
064632c0c8e8ae7a45645a0bc0be41fb5f93a5723d7cb53b0b62f6f45c423b25
MD5 hash:
add03e348e4677823d1b94cbf8ea1511
SHA1 hash:
f5162a3ff31d940d0f0a2c49951ba71ccd244e7b
Link:
https://www.unpac.me/results/507968bf-53a2-43b5-a324-64c1bf1dfc5d/
SH256 hash:
5a89cf2b6f9ac9762898a4e1f507c54fa798038a51ab19a288cdc0ebcefa1ff2
MD5 hash:
8cca6f3cde5b0e95660404ec02f18442
SHA1 hash:
9cbd80976cdb4a2ffaa12ab25c6c8810fc23984b
Link:
https://www.unpac.me/results/507968bf-53a2-43b5-a324-64c1bf1dfc5d/
SH256 hash:
23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22
MD5 hash:
01300e34a5520415c5ed5c483e687a4f
SHA1 hash:
afc86089ca7e954d378133e36e8b23731007a809
Link:
https://www.unpac.me/results/507968bf-53a2-43b5-a324-64c1bf1dfc5d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Web download

Formbook

Executable exe 23022e88812cff7f0b615fd48b58f0d971f0559d0275380f87eaa3bf195e7e22

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168267/

Comments