MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231
SHA3-384 hash: aab711e0a288cc57f9428b5995137b38f2d2990734ca7098d661aaa765be451db642d41b3ed78715f176c37e28d10d41
SHA1 hash: 26c87fc04cb4199ac5aa3d4cdaa56534ecfbfbd5
MD5 hash: 419d482690e55eccbba665f8a1bf5079
humanhash: burger-may-missouri-fourteen
File name:PO 4100066995.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:670'208 bytes
First seen:2022-05-10 06:57:27 UTC
Last seen:2022-05-10 07:32:29 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 12288:5u1S+dslMiHwUPWJ+Kz78HhBfmMMCXIS5WbnR4yLNxuuZ1yY3u+YbCrNvQqcN6m:5mpalMIszUhBL
Threatray 15'639 similar samples on MalwareBazaar
TLSH T14BE4089C312471DEE46BD475C9595C78EBA2346B830B42239063E7BAAE0C5B7DF170B2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO 4100066995.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 06:58:08 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/42f02f5b-b1bd-4b33-8fc8-a29064e3d46a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.11758.19972.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit obfuscated packed
Link:
https://www.filescan.io/uploads/627a0cfcbd5c76586e283329/reports/253e1bbc-3964-474e-b2ca-cb452e31a49a/overview
Result
Verdict:
UNKNOWN
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/e142d02f-7641-490b-845c-de1efdb19bf7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990758
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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 dnsIp2 2 Behavior Graph ID: 623252 Sample: PO 4100066995.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 32 www.pokerisparadise.com 2->32 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 11 PO 4100066995.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\PO 4100066995.exe.log, ASCII 11->30 dropped 62 Injects a PE file into a foreign processes 11->62 15 PO 4100066995.exe 11->15         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 Queues an APC in another process (thread injection) 15->70 18 explorer.exe 15->18 injected process9 dnsIp10 34 timmarriottinsurance.com 208.93.159.61, 80 TECHPRO-01US United States 18->34 36 www.timmarriottinsurance.com 18->36 38 2 other IPs or domains 18->38 52 System process connects to network (likely due to code injection or exploit) 18->52 22 colorcpl.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.timmarriottinsurance.com 22->40 42 timmarriottinsurance.com 22->42 54 Self deletion via cmd delete 22->54 56 Modifies the context of a thread in another process (thread injection) 22->56 58 Maps a DLL or memory area into another process 22->58 60 Tries to detect virtualization through RDTSC time measurements 22->60 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 02:10:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijqljfuh227phmuc7krpwhupqu4ppfk6ynz5f2ea3dvba7bqsiyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
002ea0849da3c63ce6c09c084567e9470c3616084ef19402316e9d52f35c62a7
Formbook
365513da20efb05517fcb10a348acb39e3391a5ec8cb44c8a6f15253e661b401
Formbook
3bdf54d6b07a96a026ed34f1db8d5cc442c1a211d02ff888659d7263ccc77c4c
Formbook
46956dd9cd5e3f62c79127e5e8bcd3b420695a0112df256aa07364bc6a32e697
Formbook
513624286483a4e172511b412b82445a06eefc904d54de75da656ec1a6f8ae99
Formbook
bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df
Formbook
+ 15'629 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ssmm loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220510-hrha8agbc7/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
a085cc0414093a69fe8a5109da41e79192b55473c5ef4e7f723d7414aa2406a3
MD5 hash:
85b4f6ec5d06bff0b8d14dff8d68f2d1
SHA1 hash:
d3b2cf6e30521ce30823e80f6f9dc6325fc82e71
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/18e0d220-4764-4bf3-acbe-685ae5cbae76/
Parent samples :
4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231
151572bec6e274bad481a8c0736a4888931c086f3fdf890be9811eae7c0c0c36
6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817
7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f
7674b1787be3b12b07beaa2c2c82514a3c1e3d462e084f79c12cced99392b64b
aa992dc346d4da6630521bedd5c35c4f0c3ee2b7d118374b29a344e6fca96586
fab7efa769554cd5b6116b3f662c995aab4d54727f294cc842d4b07c921358d6
76ea1701d0adb2eca57550db609cbd372c9a5e85e40eab412cbba4ffe90e4b75
774e7baca6802b4d8cf3df0fd6162e1bac6dbfb5a4e50f09bc2d7c9e166b285e
4faae449552b88aec5358a81a7b24616d07d5002d0eeb4a9797ca38798f7144b
b3d7318934eff89f2847b40ff8a0cabc47510bf9fffe21b3c64e59a9ebcc8faa
2cdbcb8ec339711a3c5b4198c5360b4e606cdd1183019d73a10d54a829685563
fc8d8aae87bbcd5429e5f9389f80eeee170d696382f52942eea70ca82efbaeae
27b2b539c061e496c1baa6ff071e6ce1042ae4d77d398fd954ae1a62f9ad3885
467c0c7de63d27d7f72dada972546de08e4b8f590467babf1f7f9bc03e948ba2
54b9a3740468ce0736c3ef889c789460dc2f9b4c63209f6bbde7bf4e6b694d84
bf8ffcdf2f0764181b6c0f31a36141b0699a4a2fc1eb70728f5c42dcd034690e
SH256 hash:
2f7c2250661600db36e76037162e7aec8de758757a771b4f3a14a968eaef7e4e
MD5 hash:
4cd02e5da10418071343a2474bd7f5e5
SHA1 hash:
8faaf9420c9e3612847c2c96deb86d0f16308f20
Link:
https://www.unpac.me/results/18e0d220-4764-4bf3-acbe-685ae5cbae76/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/18e0d220-4764-4bf3-acbe-685ae5cbae76/
SH256 hash:
4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231
MD5 hash:
419d482690e55eccbba665f8a1bf5079
SHA1 hash:
26c87fc04cb4199ac5aa3d4cdaa56534ecfbfbd5
Link:
https://www.unpac.me/results/18e0d220-4764-4bf3-acbe-685ae5cbae76/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231

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 4260b49687d6bef3b282faa2fb1e8f8538f7955ec373d2e880d8ea107c309231

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments