MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955
SHA3-384 hash: f98d5a548c72afb7e947bd670b33c9aaaa28ae2a231eec97bbfd64c05cf1965a6cde3a33fead08646d8b402090b492f6
SHA1 hash: 53d91871e7ff66c919acfa21b2280ec123c317fa
MD5 hash: 9a095d66b167a41d9a1df1507c0bed9a
humanhash: nitrogen-island-bacon-blue
File name:INV-DHL202038.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:447'818 bytes
First seen:2022-02-15 10:24:36 UTC
Last seen:2022-02-15 10:44:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 12288:PuSPEwtQoJFtmMcBWOtsznIzkiNAeI7oPH:GSPio+WOEIzDH
Threatray 13'364 similar samples on MalwareBazaar
TLSH T13994E091C5C458EAE84A0B759C73FC751267BD2CA9B06D2E2E1E34365BB32D21433A1F
File icon (PE):PE icon
dhash icon 880c0c8ccc8ccc48 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241583/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/620b7f83ac8ad0468b41c00e/reports/c4b372e6-51d1-41f3-aadc-bd03b9750909/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/9be1d5f5-22bc-4dc7-b17a-b295186daa4b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/940019
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572497 Sample: INV-DHL202038.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 96 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 2 other signatures 2->45 11 INV-DHL202038.exe 19 2->11         started        process3 file4 29 C:\Users\user\AppData\Local\...\ykiuugun.exe, PE32 11->29 dropped 14 ykiuugun.exe 11->14         started        process5 signatures6 49 Tries to detect virtualization through RDTSC time measurements 14->49 17 ykiuugun.exe 14->17         started        process7 signatures8 31 Modifies the context of a thread in another process (thread injection) 17->31 33 Maps a DLL or memory area into another process 17->33 35 Sample uses process hollowing technique 17->35 37 Queues an APC in another process (thread injection) 17->37 20 explorer.exe 17->20 injected process9 process10 22 systray.exe 20->22         started        signatures11 47 Tries to detect virtualization through RDTSC time measurements 22->47 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-02-15 10:25:12 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rk3mizhuynuv6vfqlu6fmkghlpme5lliov4cqztokqhyn7xz7fkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
78925291f09bb03febfff27735cd630b96b9ea2a21aee0a8b58e156ed20b256a
Formbook
c140031248f1bcd6ee445b1ccf588057a3b190c8ee4b8d891b58e2aa0561509b
Formbook
d0ce91945a10abde8e7569759e78430c80fb8fa42589dfaccf565cf6895f8846
Formbook
dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b
Formbook
e08593ebcd4ac9265c1f27d987a67f43b2c8a9e9c680e9d47901281a4c5878dd
Formbook
e149c419c1e3da9f42da46d4ba594ec7b97fc9a333bea11d1693b6750edf603b
Formbook
f556af7cd24cc02eba24924d19c42966a1a98b84dfabd78c523c55f492d54acd
Formbook
+ 13'354 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cn31 rat spyware stealer trojan
Link:
https://tria.ge/reports/220215-mfzhksdgf5/
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
6750fe79914cf2f49b3f05fff98c59eb4b9c321d3991ce1e4e289d8ec4bcdf52
MD5 hash:
5cbc3eb0439bf90c4c7ffb3c2a4ecf1b
SHA1 hash:
8af2a9ad64e48280e3219744682a117ddc9bfd98
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4778d39b-d676-42e0-87c5-6747aa0c16a2/
Parent samples :
d0ce91945a10abde8e7569759e78430c80fb8fa42589dfaccf565cf6895f8846
394e89d915d3fb185d741576cc322d02b4f58d6debf49f058ce8df91682782b4
c140031248f1bcd6ee445b1ccf588057a3b190c8ee4b8d891b58e2aa0561509b
042f30c975b4bd5dea77d4d2427497546cc03f0fd7db1ed8857279ed07180483
8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955
c0255201237bfaac3d1396aa62c0277631f9ccbae295de89e71b504a1373002a
7d1b7e5ead9dcfe4eaa8166f6311ec7943493a153794b4c72ed3a12b7b0097ca
2e7a567db14bc51dd7ada65fa05703ac681180c0c882cff55597c063ce72886b
1695b699725276e3c0927c741f905625bc89e6c3c2acd850f640ef47ea94a907
ee22052175ffaf0e2168c716ae3fc165305c2bbba68e753f0e7f037b5cd1b2d3
6aff93a5323c418fe130ad5682f6ac9fc4c93c7b18936ddfd8894f6e7244ac23
e267c90f997f2006197fa6cfc8c36255fbb2b317fba5fcf161dd18cfb9c0943f
f615fa5fe1c1b286b761e76e1946e3937c23895a6d3739ab54ae24e37252ff1d
1d9895e03278d784a5e0a253a67e85822f9915f8b0a137308785f47772be9bba
b5f2c53261cde3d73cdf723733cd27caed78e63aa1e878c52e461156838d35af
bfc133249036e3efb5f3dd112044b30f06b8cb03f636628bbb1ebac9cb1adda7
SH256 hash:
90bedfe795966023b6ddf17340da699f01eb8200c57ed89d90f66c6c1d4ac0fe
MD5 hash:
e197903d3869082bb5db05c87a360737
SHA1 hash:
5033d8e6bcfbd48eee31972a9417378ff14a5c32
Link:
https://www.unpac.me/results/4778d39b-d676-42e0-87c5-6747aa0c16a2/
SH256 hash:
8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955
MD5 hash:
9a095d66b167a41d9a1df1507c0bed9a
SHA1 hash:
53d91871e7ff66c919acfa21b2280ec123c317fa
Link:
https://www.unpac.me/results/4778d39b-d676-42e0-87c5-6747aa0c16a2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8ab6c464f4c3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955

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
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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 8ab6c464f4c3695f54b05d3c5628c75bd84ead68757828666e540f86fef9f955

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241583/

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