MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e
SHA3-384 hash: de4a78d261657e36c82bb2d911b34ba1d84ac1d396616708e211e9c7880f72b55c9e92fe09c1daaf44e98724da80c6da
SHA1 hash: 5b71b005e84f5dcbca487c24f7662303d0dd656b
MD5 hash: 1697d5a8c04a7220e7bd25e3a7b4ada5
humanhash: island-hot-blue-music
File name:STD 35 GA Plan_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:677'888 bytes
First seen:2022-07-07 03:59:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:tEcqWjsZ5uEd2iNmG1ZVRdrrAdiNXPMZOBg7WkjuCJe36NQWe/Jp+IGe//i6rDlt:tEc/W5X1dtrAQBnOWeuJ6TeRdGe//i6
TLSH T174E412447E4897DAD83C27F884910F32637AA53A5822D3785F8A73E5242B793C513F9B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/285323/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c65a7f3298ebd78907591f/reports/05cb0663-7873-4904-b209-4ac1a532c900/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1101d2a1-d9c2-45e4-8b6d-3e070ad37148
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1026072
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 658567 Sample: STD 35 GA Plan_PDF.exe Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 31 www.jzzikao.com 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 8 other signatures 2->45 11 STD 35 GA Plan_PDF.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\STD 35 GA Plan_PDF.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 STD 35 GA Plan_PDF.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.heatedaffsirs.com 185.53.179.172, 49699, 80 TEAMINTERNET-ASDE Germany 18->33 35 www.mounscape.com 66.96.162.128, 49698, 80 BIZLAND-SDUS United States 18->35 37 6 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-07 04:00:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqdz66x4r4vzsacwjmklry7j4w4n46wqwsq5kfhf75se332jjvha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:iewb loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220707-ekm2caehg4/
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
526ef5df9d974a223af97e351e14e7a3010e287b7e6a1c3cdb132a6db4314326
MD5 hash:
0fb0636cafac3aa43f67017f1fe151ec
SHA1 hash:
8e29b890c4a4a22060bffde9a11631b7af6fb28e
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
Parent samples :
0323d5159dd1425833a2b88830923e17810a4bbbc70dd686702ce4fad69d65e4
42e5467c1516b5291491f4acbac29889575738c9f0652655ce7b7eeffa2374d4
2c6f3126b960f02205390cf54a74de6e32d53cc1d6db64cc4744c9cca63ecca6
0c0567f75c861c3950dcdf2b5bdb1f9852fd8cd518587eea22d43a5273dcfa18
9696d3ec13f85ada39b140ae0096e765db0ff630f351ffa1e96484f6a4f2f030
ef5551b32efae3527d147f40eaac18ab0213b7382d5d54bc67fd1c9911007480
44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e
SH256 hash:
a94a3cd1e1e8a609c54dc52eb2d6d5b152e1ef69879f682fb67da331d19a3ba7
MD5 hash:
bd56eb175a66c7c5e99519c829c091be
SHA1 hash:
0de443ca100e22f745773d349444046b790aa76a
Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
SH256 hash:
824e6c1660283add2cce7525ffed74016a23c6767fc2da47f3851e9309c60e26
MD5 hash:
b0fe4740ae4a15943033493f5b183668
SHA1 hash:
2c6dd23a3d105bcf4a4cea850814ddf742f63abe
Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
SH256 hash:
ca63adf98f716fb562604ea298b595b6d2216c6b1fa0f672c2cca0dba74809e3
MD5 hash:
79a9a02a51ccb4482366cf0be3f3ae16
SHA1 hash:
05fe41fe2d5be1e0c79460365c00631df77b7682
Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
SH256 hash:
44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e
MD5 hash:
1697d5a8c04a7220e7bd25e3a7b4ada5
SHA1 hash:
5b71b005e84f5dcbca487c24f7662303d0dd656b
Link:
https://www.unpac.me/results/2c536152-ca5b-4fcb-9f6a-474e2f622747/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44079f7afc8f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e

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 44079f7afc8f2b9900564b14b8e3e9e5b8de7ad0b4a1d514e5ff644def494d4e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/285323/

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