MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94
SHA3-384 hash: 59a7ee29fa755b362628452cc6086124f367e216011155dae2bcad0312b82df13837810e7fc6aac8b2153f27cce519d4
SHA1 hash: ddff283ee3cdf20bd22b9f9318a85e212b137837
MD5 hash: ded36c90c14f79fbc60eb03ea3c6dc50
humanhash: september-california-table-connecticut
File name:ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94
Download: download sample
Signature Formbook
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File size:1'048'576 bytes
First seen:2023-01-10 12:56:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'793 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 12288:JZ+2iN1/Sr+piH8c+9eKKmqnuXuTtOIXZNiGod6Svl9PNFbfrDAdpf+mDXttarrJ:C1e+iH80KKmt+9XZNieaPlxwM
TLSH T1B625491313C4C513E462197B5487EF8740A0DE4F6EA2DB6C662BFA3BF7F16825A80D16
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% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94
Verdict:
Malicious activity
Analysis date:
2023-01-10 12:55:57 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/0e63959f-f31c-4881-8358-d8b8bcb2956d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/351524/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/63bd609fa66e2eb29738217d/reports/174d09fb-46f5-4f70-975f-2e812fff6c27/overview
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/72d585a4-bf96-4ced-8d8b-373efdf71138
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148745
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 781478 Sample: ajXJBHdFb2.exe Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 53 www.gazachildrensfund.online 2->53 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 6 other signatures 2->69 11 ajXJBHdFb2.exe 7 2->11         started        15 PpCttWgiPkfhi.exe 5 2->15         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\PpCttWgiPkfhi.exe, PE32 11->45 dropped 47 C:\...\PpCttWgiPkfhi.exe:Zone.Identifier, ASCII 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp9D84.tmp, XML 11->49 dropped 51 C:\Users\user\AppData\...\ajXJBHdFb2.exe.log, ASCII 11->51 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 11->77 79 Writes to foreign memory regions 11->79 81 Allocates memory in foreign processes 11->81 83 Adds a directory exclusion to Windows Defender 11->83 17 RegSvcs.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        85 Multi AV Scanner detection for dropped file 15->85 87 Machine Learning detection for dropped file 15->87 89 Injects a PE file into a foreign processes 15->89 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 17->55 57 Maps a DLL or memory area into another process 17->57 59 Sample uses process hollowing technique 17->59 61 2 other signatures 17->61 28 explorer.exe 17->28 injected 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        process9 process10 36 cmmon32.exe 28->36         started        39 cmstp.exe 28->39         started        signatures11 71 Modifies the context of a thread in another process (thread injection) 36->71 73 Maps a DLL or memory area into another process 36->73 75 Tries to detect virtualization through RDTSC time measurements 36->75 41 cmd.exe 1 36->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94/
Threat name:
Win32.Worm.Changeup
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Status:
Malicious
First seen:
2022-12-23 12:56:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vm6iipyotjkc3li3qedyfa5hrdnenku4zgnwgq2mzkcxg7myfwka._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:a19i rat spyware stealer trojan
Link:
https://tria.ge/reports/230110-p6xg1sga88/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dadb27a7-780d-480c-9ecb-0fcd8f677390
Unpacked files
SH256 hash:
cce4a21afc74d7d48d862af5b0d8598fcd213ce5d331176dfa12257f43813ecd
MD5 hash:
44bf97f71cc12eca3ce5612ffabf366c
SHA1 hash:
909a19c4d99ef46ed6661902a30cefb3a2992d94
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
Parent samples :
cc306bb2d4ff7a9b6a4526abfe0ee05610bc1f34f8c4b96f465c44412558516f
9bdc185c4c52ab97921a7d99b7bfe6e22ac5be828d999b19e41983b3c79af0c9
3aec0a3b707390b1a000b0e7a6deb3bd7b8f84109b4335be6809694453fadc4c
6df873769694ef3980e2e19d8c657e4d993938b9c9ee8912a95f83027f1a2ea0
ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94
0ae02ccb00f91c7e5c7eab7f893c859e533a294dc868ee3c43904e5f835b97bc
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
SH256 hash:
33308cb671eeafd0bc4f63960fd2333c0ffa79b77b615e778beb2f8def4f2190
MD5 hash:
97bf4cac61ef84cbb6a30c189a46174b
SHA1 hash:
caf4b3ef2d5256381b17d3c865d3a25ed61d7f4d
Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
SH256 hash:
bf3d370bdd6a98d7507fbf97e988a00febfb0f2a369de4ac027f59d3661d49e4
MD5 hash:
1c390bdae9df4b85cbba2a84a5c6e8d4
SHA1 hash:
52ea8152134d48259a2165153bc7e410286ef165
Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
SH256 hash:
ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94
MD5 hash:
ded36c90c14f79fbc60eb03ea3c6dc50
SHA1 hash:
ddff283ee3cdf20bd22b9f9318a85e212b137837
Link:
https://www.unpac.me/results/06b45f86-c1b0-4e8e-99ff-01b0aa5ff035/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/ab3c843f0e9a542dad1b81078283a788da46aa9cc99b63434cca85737d982d94

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.

Cape
Cape
https://www.capesandbox.com/analysis/351524/

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