MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6. 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 2 File information Comments
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SHA256 hash: 9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
SHA3-384 hash: 17387a9e7ee5e77208e9eade7c5813a860d68e6f9d600e1f5ef201c745432398467611147db1060711908fddb7aa9081
SHA1 hash: 5536033227bd4f6c8d7d6aa9aa613e78c80cc7e7
MD5 hash: 95ed8bb0b80b3824f842e40e9dcff2d2
humanhash: south-tennis-one-yellow
File name:PURCHASE ORDER.exe
Download: download sample
Signature Formbook
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File size:415'744 bytes
First seen:2022-03-07 11:58:14 UTC
Last seen:2022-03-07 16:52:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/BGRUcZ64zUtdjwSKoZj2xkjOq8ajMbPug1fsfgwF:/BcUeU/jwSKosxWOq8eMTuqfuZ
TLSH T13994E058313A85F2DA6D8B384862550CCFD99376C34FF2BC2886B4AD40B0F4B469DE27
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
5
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/247897/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.27740.6237.14071.UNOFFICIAL
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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
DNS request
Sending an HTTP GET request
Reading critical registry keys
Forced shutdown of a system process
Unauthorized injection to a system process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ace02f39-698c-40f8-bcd8-6b30ed3b4a2f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951772
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 584253 Sample: PURCHASE ORDER.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 11 other signatures 2->46 10 PURCHASE ORDER.exe 3 2->10         started        14 explorer.exe 10 2->14         started        process3 file4 30 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 10->30 dropped 56 Injects a PE file into a foreign processes 10->56 16 PURCHASE ORDER.exe 10->16         started        signatures5 process6 signatures7 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Sample uses process hollowing technique 16->36 38 Queues an APC in another process (thread injection) 16->38 19 explorer.exe 1 150 16->19         started        21 explorer.exe 16->21 injected process8 process9 23 cscript.exe 19->23         started        signatures10 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-07 05:57:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tba6ltas2nqz77k2zm4qmmvadv6mir5po4uwptpgehmm2tl77pta._file
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:sued loader rat suricata
Link:
https://tria.ge/reports/220307-n5qseahacl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a41a4410fcd97b74ff170c987ba9600d76b217ca90833d7e4d1ad69cae514d92
MD5 hash:
75d7a79c712fe0b2b6b5ccc842b2b858
SHA1 hash:
cf9e8feef4effcf93c63087ed21b115be8c4ef79
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/e1d855b5-873c-45da-8555-ec46bab6cc6f/
Parent samples :
952fbe116a1aac4f0082519a0dc920ee5dc48e58fe85abcc27b82ecc0ac4e54f
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
00027d11309d55312ae77f32d4ae79671c91f541e577bace7a5a5abde05563ad
a97609f1fba62176ab743d20619f5dc76e660c19fe1640620fa71be956073642
9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
14814de29a97d78c562d283a935b231c5f1743e51eba50c5803c38d9a30902b9
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
a10514b9a622369f9e922896ec542e856068d2a4a10bc8808436bfd88a2e44f2
687269adbd2c39527574f47f87e641e50e1b0f76a7595e16da138ddb23934a1f
1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
11011a715ef9903ff51404d2ed9e5690db9e44ee62633a4a620fa456111c7c35
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
SH256 hash:
c818d4235c85452a6476d1cbcac59b583fb8836f5259caf4875b585b035bb6e0
MD5 hash:
24ff09f069406f33d5c09712b6fa1ea9
SHA1 hash:
dc44a4ff6312a424111ce97525622b10e8b7aca9
Link:
https://www.unpac.me/results/e1d855b5-873c-45da-8555-ec46bab6cc6f/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/e1d855b5-873c-45da-8555-ec46bab6cc6f/
SH256 hash:
9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
MD5 hash:
95ed8bb0b80b3824f842e40e9dcff2d2
SHA1 hash:
5536033227bd4f6c8d7d6aa9aa613e78c80cc7e7
Link:
https://www.unpac.me/results/e1d855b5-873c-45da-8555-ec46bab6cc6f/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9841e5cc12d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6

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
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Rule name:Skystars_Malware_Imphash
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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 9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/247897/

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