MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71
SHA3-384 hash: 2b9b886e9c0d1f1bbda93b1d009aa9771b319cb741e7dfa55bae3f16a1f8f44c3804a00634df7286eaaccbfe1c9d1f06
SHA1 hash: bac0040f399cee960c78c9e4e2491b0e9d353d06
MD5 hash: 8e5b379cc724af633767d4c1032c59f6
humanhash: butter-table-network-pip
File name:8e5b379cc724af633767d4c1032c59f6.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:593'920 bytes
First seen:2023-08-10 06:26:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:nGTIYlV2JyweBi2WTkjNX5rj6sQ0ht5eI5QBYHWaD9JpThE7c:kIYlV8y1i2WYP6kht5iBI2c
Threatray 3'542 similar samples on MalwareBazaar
TLSH T1CCC41345A3E9CB38DA7D92BF782411004B71A86EB4B1D75F6A4C24249D37F802AC5FE7
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8e5b379cc724af633767d4c1032c59f6.exe
Verdict:
No threats detected
Analysis date:
2023-08-10 06:31:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/442a1acb-6b2d-4c07-8060-10c06ac19a39

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/441893/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3324fdb9-361b-41d9-aeec-f4ddab1d26d0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1289203
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1289203 Sample: uO8fM4BQIp.exe Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 30 www.alyasra-sa.com 2->30 32 alyasra-sa.com 2->32 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 6 other signatures 2->46 11 uO8fM4BQIp.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 uO8fM4BQIp.exe 11->14         started        17 uO8fM4BQIp.exe 11->17         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 3 1 14->19 injected process8 dnsIp9 34 olliex.com 45.14.226.43, 49699, 80 SPECTRAIPSpectraIPBVNL Netherlands 19->34 36 www.greengrass.info 3.64.163.50, 49697, 80 AMAZON-02US United States 19->36 38 3 other IPs or domains 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 colorcpl.exe 19->23         started        signatures10 process11 signatures12 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        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-08-10 02:59:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufv3zwlev2e7dsxft3lgyixracmdbsi5wuuccwlssuwzoqz37nyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1eba4559ea8e4c4a53804b0258ff3be6082861bd6f9b4b33876c4cb8bba5e407
Formbook
352f49bdcc9d31b5707d6d2bd026edc78f9925ea4da142465aa2bb1152b82e6c
Formbook
4f827733e06b0ec1cb7edf3b3982487e6be429842e0cb09ff7900771ab58e8bb
Formbook
51f07741241cafeb5f72535e1b04f3b5e258a2587b5d2f1d8d67a180ec02ceee
Formbook
6a6fae0edf96bedeedb582c143934610d1c0b23f45191095b1731cf85e23b17d
Formbook
c64d5d0de4f44877c82a0481a6a71e9b2ab91acb1f960c50d366ac532eee7458
Formbook
cf58f75317f4bdf3150cf37739edc9e76952652f4104e16198f3462f0912859d
Formbook
e1dfa20210b95ab54c97edfb1ecef7a381c60e337c912242642008851f0bcd57
Formbook
e3699bdedcf4bebffc1e2e2af639da53dc9abd0e7bcb4e917def61a01a880b69
Formbook
e900e880ce3272ce750db05a3428dad9c354116d22cd125c374708cfd9aa0fa2
Formbook
+ 3'532 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ge83 rat spyware stealer trojan
Link:
https://tria.ge/reports/230810-g7rzxsae84/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
39c1213b71830dc3dbe542230f65109a68028a5f80c177918422a94c8efe25d4
MD5 hash:
b075ba1483d921aaf145aa40752897b5
SHA1 hash:
6f38c9ad869f9db7b3c412326b21eb6dde9edd9d
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1ee01edf-e8a0-4e75-b754-53c037251f93/
Parent samples :
62d79b7612daa665c7f2769bad890f7d42fc26849f0baa1c596e601b0a724057
d088a3c1bbc7b1c97e5ce94d4a2e1f8ed7fcf7cef8e2b21d70ee15bb3f49d509
c013e9e4bb6f07f8da27bedef4ca4e0b99790a4777e00692da5c8e78e47eb70c
0678008b99744da75d64b17e189a5f8934780a0ddf2384d8c24e4240f796dc34
68f739e8cec56189a152729584f046954f13e32426331970eb755538a8008f1c
3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf
c7f690c33e83ce246c48b918864dae66b4b6964116046cfa34de6bd3a81c2964
95c739685ac483d14260c45fef84686d505802b2a546531652de4b35b54ea8eb
a06ac680f7c3454cdfe9e777f1dc9e6867e3556d323986c428aead576d2ede5c
17da5b241a7c1a77d644c46063b11af84dbf96b2986e4c4c0b9b56c1689ae524
b723fa6187dd823012646cc23268f9a05550e8fb5018110df4ef24fa995d2141
05189b12acbe98448200d07fb553f915a88cd57ca1115bde87fba0dc77cc5f39
a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71
bbd52311d6f6fcc5e1c1296fb53932cac1445ed4d3fe3872a2a8de1f83bd1bf0
651a4c3e35b647788a3eb33862d90bc7d58912e6e99ffb8a7bd4c759634fe67b
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
Link:
https://www.unpac.me/results/1ee01edf-e8a0-4e75-b754-53c037251f93/
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
Link:
https://www.unpac.me/results/1ee01edf-e8a0-4e75-b754-53c037251f93/
SH256 hash:
2cf29d99c6477bd1d828371d97d2c8b178aae92c073031a2de63a1576cf91dad
MD5 hash:
b611be563e7b57f8aaebdbb189c18a4d
SHA1 hash:
325072199ed1f2aa2525b76cab09e8349d56eec1
Link:
https://www.unpac.me/results/1ee01edf-e8a0-4e75-b754-53c037251f93/
SH256 hash:
a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71
MD5 hash:
8e5b379cc724af633767d4c1032c59f6
SHA1 hash:
bac0040f399cee960c78c9e4e2491b0e9d353d06
Link:
https://www.unpac.me/results/1ee01edf-e8a0-4e75-b754-53c037251f93/
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/a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2697841/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/441893/

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