MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e
SHA3-384 hash: 3269ba9ac10f7b6c862adb3f362b9a73da30f89acbec9485839b53fee80625062c71749b075758c21219cfddc4814b44
SHA1 hash: 656104739470b5119ec630eb19603d9677a4fa03
MD5 hash: 372fe4529580602a406a6ffad7739581
humanhash: mexico-alanine-thirteen-steak
File name:PO_SCAN_AUG_30.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:689'152 bytes
First seen:2021-08-30 13:09:02 UTC
Last seen:2021-08-30 14:15:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Z7n6jcVXAQfGq1Q/o2sKGUnQKlnZ3Xxs31:F6AVXpqMHUQKVZnc
Threatray 8'576 similar samples on MalwareBazaar
TLSH T118E4FB7F19BDA2279175C6F58BE38827F0008B6F3110696476D747264322A7AB4F336E
Reporter info_sec_ca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_SCAN_AUG_30.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 13:09:43 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/230e6f31-2425-44fb-b30d-2e8600218498

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/183758/
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
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e229a083-22f7-495b-84f5-1cf16327633c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841893
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 474320 Sample: PO_SCAN_AUG_30.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 8 other signatures 2->35 9 PO_SCAN_AUG_30.exe 3 2->9         started        13 explorer.exe 123 2->13         started        process3 file4 27 C:\Users\user\...\PO_SCAN_AUG_30.exe.log, ASCII 9->27 dropped 45 Tries to detect virtualization through RDTSC time measurements 9->45 47 Injects a PE file into a foreign processes 9->47 15 PO_SCAN_AUG_30.exe 9->15         started        signatures5 process6 signatures7 49 Modifies the context of a thread in another process (thread injection) 15->49 51 Maps a DLL or memory area into another process 15->51 53 Sample uses process hollowing technique 15->53 55 Queues an APC in another process (thread injection) 15->55 18 cmmon32.exe 15->18         started        21 explorer.exe 15->21 injected process8 signatures9 37 Self deletion via cmd delete 18->37 39 Modifies the context of a thread in another process (thread injection) 18->39 41 Maps a DLL or memory area into another process 18->41 43 Tries to detect virtualization through RDTSC time measurements 18->43 23 cmd.exe 1 18->23         started        process10 process11 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 03:17:08 UTC
AV detection:
24 of 46 (52.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n6wfemmlge52szbozmday5zf3o6t4cyri3utnxvswy2446rflixa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
22bb6e04e78a2c4e5620e588228a99653abdff1925dff84e4da22428b61d9c44
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
77f75ced9cfdb9bff40e705aaced15795f123e460db0fcb97463e0515aaf8af1
Formbook
852cc855a1aa63d081ebeec5fd688a3c80d50a14d80c760256c4b46208d77b8d
Formbook
95eedb3eaf98ec12d5f66609278d43f94e1f635420d413ee0672bbf9434aafa4
Formbook
a1e601d45399b724a7247ca82708d74182923dc096c62031ec80419e26f8e0f6
Formbook
aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
Formbook
ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
+ 8'566 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mej0 loader rat
Link:
https://tria.ge/reports/210830-xsv7j4fv7e/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.lifewithbriana.com/mej0/
Unpacked files
SH256 hash:
c6ed4ddb6fb48bb4cb86c751653f794f4197d1f03837756e4fd0a9ac8015f2d9
MD5 hash:
ce97c7064c9e17a70e7bb5bfe7eae9d7
SHA1 hash:
116aa0ad40796932245e830cd9465bcdbf687ad1
Link:
https://www.unpac.me/results/41f8cab2-c4a2-4aa1-9cd4-5c3391e6af9c/
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/41f8cab2-c4a2-4aa1-9cd4-5c3391e6af9c/
SH256 hash:
a828137f26efcaa656d7ff8b220aef97b33e32125eb36d6d62b964a83f13057b
MD5 hash:
ac8e94fe61f6dc8c33785c9a6fd474b8
SHA1 hash:
e3e1dcf21308ac20a1ed5f18a83d34479f7361d9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/41f8cab2-c4a2-4aa1-9cd4-5c3391e6af9c/
Parent samples :
6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e
605f58fa5e5f09a4f869e6e14ebc5e537c6a9d31b8b106e08706068d1e587659
83fb913f2698b853cb1ef1d9bd54bf06c7bd660028f1440d3c080c02ab4b9f1e
e94ab3e9bc6dfb0889e82075cbef674de3c160a8d4bbf9b3d596381bebf492af
36d409b61a0f456cb3e593338ebf2db1fae38ea645392d98030bc7e7a0eb9a3c
2693c8389ae1a86a3cdd7d300c501c0220768773cc4fb9397e54eb0f48dd1aa1
SH256 hash:
6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e
MD5 hash:
372fe4529580602a406a6ffad7739581
SHA1 hash:
656104739470b5119ec630eb19603d9677a4fa03
Link:
https://www.unpac.me/results/41f8cab2-c4a2-4aa1-9cd4-5c3391e6af9c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6fac52318b31/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/6fac52318b313ba9642ecb060c7725dbbd3e0b1146e936deb2b635ce7a255a2e

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/183758/

Comments