MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b. 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: 6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b
SHA3-384 hash: 173c408d5c8fa7bcf17e8f94fd2d3e4d2e1eb83766d1e8a2a8270cc1514ba5f8993d2fc4232bcb74c8b54dd29c9cd547
SHA1 hash: f0b15f7385a1f81d36aaf617958a2d742400dd31
MD5 hash: 5265cdb801f41e79548c97537eaf5f7a
humanhash: foxtrot-april-sixteen-berlin
File name:5265cdb801f41e79548c97537eaf5f7a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:748'544 bytes
First seen:2022-02-24 08:59:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:psFvGA2pPWSfpwA7MiEGtK0hbs9JInDVuXnIhoQGqWcBNdTgDWdKfe:pI2pnCA7rK0ps9JY2K/l/BNdTgwE
Threatray 13'591 similar samples on MalwareBazaar
TLSH T1C8F43331AAB04632C99EE6769E1913004271BA0DF97F9C026FE9464B5052BC44FEDE7E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20220223_STALMA_SA.xlsx
Verdict:
Malicious activity
Analysis date:
2022-02-24 05:52:19 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/d0fe7919-81cb-4236-90fe-91e1b23d3760

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/244182/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621749343b743d74eee46bd0/reports/3d5db3f7-4781-4ef4-8fe4-2c6dbd607564/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/d2096479-cce3-4bad-92de-7895c37e29c3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945507
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 577983 Sample: OadDV8ARQw.exe Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 36 www.writingdadsobituary.com 2->36 38 www.gameshill.net 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 OadDV8ARQw.exe 1 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\OadDV8ARQw.exe.log, ASCII 11->28 dropped 14 mmc.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.unforgettableamour.com 64.98.145.30, 49761, 80 TUCOWS-3CA Canada 17->30 32 www.globalprotectionllc.com 35.208.245.104, 49754, 80 GOOGLE-2US United States 17->32 34 4 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 explorer.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-02-24 07:27:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
2c13447326df9da1edb4700336d4cf841f7575b7505df68ef2ae7bdb6f2d9f5c
Formbook
705bf99df489a6945a540499bc8c6d7b7564d9a255629e326013d4a85bb77a78
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
75362f20dab8d57db3ade6427e647b0bc01d8345ccfa9781d5778877f04f7fb5
Formbook
831f79faeff5bd6704c5aca840f3067b4762e5b6e6228b04221ccf351b146da7
Formbook
adf7fa31e3f65111c002c0cd54c049a05c2327a7d9956f41aa7c7f0f069d4263
Formbook
f16768c3348ef6a7bde4d734eb1f407fe577d709bca21b0526ded6065be7cc92
Formbook
+ 13'581 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:8vrd loader rat
Link:
https://tria.ge/reports/220224-kydbyscee9/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Unpacked files
SH256 hash:
7bbac7bcd3b4659322d6bb9c240076977ae72ee45a49910344902bbda6b67a6c
MD5 hash:
b03d9efa4dac54c8978b7239c8541c34
SHA1 hash:
8a9e9dc4b667828cd97eb7eec2402562b529871b
Link:
https://www.unpac.me/results/8da7cb97-9a23-4f86-88be-a7e606ec847b/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/8da7cb97-9a23-4f86-88be-a7e606ec847b/
SH256 hash:
6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b
MD5 hash:
5265cdb801f41e79548c97537eaf5f7a
SHA1 hash:
f0b15f7385a1f81d36aaf617958a2d742400dd31
Link:
https://www.unpac.me/results/8da7cb97-9a23-4f86-88be-a7e606ec847b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6a89b5f89e4b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b

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.

Web download

Formbook

Executable exe 6a89b5f89e4b2f1abc1407e26b6b8dc7855d153a6c7eab878106f9fe93eb876b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2055540/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/244182/

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