MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705
SHA3-384 hash: 734d9987846fb36561f5b1938109b3e5e1c87cedfabbd7aca789385aad8129ccd1616dceb77bf8ebbaa146145eaea66a
SHA1 hash: f2e5e8f117450584fcbe84c7722d3237d339ad75
MD5 hash: 6e381520d0f81cd621cd5200b7fb4b25
humanhash: lithium-table-venus-nebraska
File name:MIC NEW PURCHASE ORDER ITEMS 0018042022 pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:684'032 bytes
First seen:2022-04-18 06:18:07 UTC
Last seen:2022-04-18 06:43:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:QHH5Oni46EX1ZhWvs6kXMQeYXqwelu5/83qcrUfs2:Qn5yD6o1ek6kXB7T8uC7N2
Threatray 15'426 similar samples on MalwareBazaar
TLSH T1D5E47A846B04C00AEB996D76695090FCC3E9AC1D6C1FF5C6F8A07F882AB5ED3C5F4259
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 24ecd0e8e8f0d4d4 (1 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264278/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.30654.20951.1223.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/625d02e2eab80a7a6c359b30/reports/554daa41-8f07-4e31-8858-9d436dcd87a2/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/48a64874-81e4-4ea7-85e8-21b95757a8d6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/978078
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 610561 Sample: MIC NEW PURCHASE ORDER ITEM... Startdate: 18/04/2022 Architecture: WINDOWS Score: 100 29 www.beckfordmedicalcenter.com 2->29 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 10 MIC NEW PURCHASE ORDER ITEMS 0018042022 pdf.exe 3 2->10         started        signatures3 process4 file5 27 MIC NEW PURCHASE O...8042022 pdf.exe.log, ASCII 10->27 dropped 57 Injects a PE file into a foreign processes 10->57 14 MIC NEW PURCHASE ORDER ITEMS 0018042022 pdf.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 chkdsk.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 37 Self deletion via cmd delete 17->37 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        31 www.cifbit.com 23.236.126.194, 49823, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK United States 20->31 33 www.tynakers.com 107.163.176.83, 49806, 80 TAKE2US United States 20->33 35 6 other IPs or domains 20->35 45 System process connects to network (likely due to code injection or exploit) 20->45 47 Performs DNS queries to domains with low reputation 20->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-18 02:48:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmuw26lbsebx5nqqduafjurgyng5msmwvkfj2ev7kzix43k6m4cq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0fc662db75eaa85eb49edf6f71b68072802ce24b87cf3ef9c2eb30d76e988512
Formbook
199cc04b9d617b58a11715354df9a83c93416a3906a352aeb21181d65021fdfd
Formbook
26506e7d3f4821066fc1989a5c79afb4d1a316aa428f9e4a920644d93a80b495
Formbook
6b765d70d97e0b3d8da0d871555d9d284bd08e85034ad45447bde1aadd2b2878
Formbook
85fe6400c2e0a1890ce5f7c1f5d30e37ba9537721f29cf17c494bb85f1b01ea9
Formbook
8a95ac711537aeb1c93c61e541077005f5226e4150c2669742d1b612cfc25788
Formbook
99bb3d1c9a2a4dad6465a81df1008b91f5836e51ce0463da76b31f9758dd9b62
Formbook
9cd0bbacb06bc4a961772ad5dac574736247fa7604116855118ecabb6926643b
Formbook
e3004a946bcf2e7b396a75d00db10dee9dcd0881cc197d9294a171ad3d882349
Formbook
+ 15'416 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:xuxq loader rat
Link:
https://tria.ge/reports/220418-g27hesgab9/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d833b701c3b5c6477c41e81fab5e6dbaa86fb02d353bc50af2619fc49134383d
MD5 hash:
61e755ef1d0efeaff305ef19984d2e29
SHA1 hash:
a263bd0f9b028f42ccdd151623b49457704da2e4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/211b7221-e8d5-4d07-b76e-67e270e8c0ce/
SH256 hash:
af1f5074eff36653e6d54c5c7aabf990aee2cc70a72db4cfb1707e452349c574
MD5 hash:
fc0ae7f6d4aa4aa2c27c26407936ec3d
SHA1 hash:
dfa9b61be7f02298605ffe7e007617016c9bfc2b
Link:
https://www.unpac.me/results/211b7221-e8d5-4d07-b76e-67e270e8c0ce/
SH256 hash:
f02947e28cf64d5a216fa008b03e2324f3e8bbc14e0b8de34aee64abe1537549
MD5 hash:
2887eef1ae2301b62be97b3fd587c66c
SHA1 hash:
d032303abd9eb25fe53cbaf4b3ee6396331fccc3
Link:
https://www.unpac.me/results/211b7221-e8d5-4d07-b76e-67e270e8c0ce/
SH256 hash:
903bf7a5c1b6df2b4cbe0a5f49338a7e4e65432efb1eb89a190e506ca9902a05
MD5 hash:
0abb9e84d3c8d519ec2c52eca79906d4
SHA1 hash:
ba0fb09ae55d3b0d913414d459e3c41ba67dd3a0
Link:
https://www.unpac.me/results/211b7221-e8d5-4d07-b76e-67e270e8c0ce/
SH256 hash:
cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705
MD5 hash:
6e381520d0f81cd621cd5200b7fb4b25
SHA1 hash:
f2e5e8f117450584fcbe84c7722d3237d339ad75
Link:
https://www.unpac.me/results/211b7221-e8d5-4d07-b76e-67e270e8c0ce/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb296d796191/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe cb296d796191037eb6101d0054d226c34dd64996aa8a9d12bf56517e6d5e6705

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/264278/

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