MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917. 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 2 File information Comments
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SHA256 hash: e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917
SHA3-384 hash: 8ff86cba6f8030141128c522d9492d1a07dc57c48b00f25a10f640f8c8df67102a34555afc175b1e8a90fb0b1c8ede19
SHA1 hash: 8382c3a28ab790b7090f25cb5b7259638b57cb5c
MD5 hash: 081f5f42ff8f75d52ca942383d097028
humanhash: magnesium-double-delta-coffee
File name:triage_dropped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:778'752 bytes
First seen:2021-07-19 13:11:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:w6VsSZE0i9rzDGjAtsRqUesf1zYJtYIUDhDWN1DuBXm87:VsSvi9rX+rRqZWYJtWFvBh
Threatray 6'707 similar samples on MalwareBazaar
TLSH T19DF4C03342490A5FC2BC10B5D0021545BAF5818BF2D3E7713EA46CD970FA76AE7E366A
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2021-07-19 13:17:33 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f13fa5e9-b714-4b34-80ae-a0e0ad25133a

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/172549/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

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/03bf6868-b5a7-4c8c-9130-09c0e8b54352
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818260
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 450671 Sample: triage_dropped_file Startdate: 19/07/2021 Architecture: WINDOWS Score: 100 31 www.marketopiniononline.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 5 other signatures 2->45 11 triage_dropped_file.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 triage_dropped_file.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.carpetcleaningmeridian.com 18->33 35 parking.namesilo.com 107.161.23.204, 49731, 80 RAMNODEUS United States 18->35 37 www.findconscious.com 35.186.238.101, 49734, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses netsh to modify the Windows network and firewall settings 18->49 22 netsh.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
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-19 03:03:11 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5gixsge5ma5v72doa34agjx7s4lmawbfur6eydp6zrozwnbj3elq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1eb6d2eb88d3ebac022b8335e178275dd4b8883b7e5248a8a8c4a1da9faacddc
Formbook
57605921f72fd210ec256ed3010b59d111c6d3b9e49b9e830e06d6bddce83db4
Formbook
7d0cc599bf46f1b454dc8a9c5abe86f6ba3c97032f153864513b98ccde3bc0cb
Formbook
8f6fcbc62fb32a19196119ccaa6e45a5eabb8ed2aad233e5ea910dd3e6bde421
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
c2b8d66b59eabf04dadf3af98e03e6f3aad3f289e826852fabda188863eb679b
Formbook
da805e8b0f86bcc67aeeb038fc69ef5551b4de2b22105aef39d534e051f57d4a
Formbook
fa5314d7ed599d8ff5bd77f3e0d7ac0988ba1352757bd7715c375ae8009f8107
Formbook
fb6e849cd3af7e8b0c8143397e62a595a42abbfbbac81f2cdd0b2cb4d18ea543
Formbook
+ 6'697 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210719-raa4phjcb2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tiktokblueprints.com/ea9e/
Unpacked files
SH256 hash:
9ff4fb44d155a76e4b3c3ecef2c6b93ea03bfd7e7617f3e364b51ff0be563085
MD5 hash:
1b67ebd624c8f7f72aab0bb0510b60a0
SHA1 hash:
615fab7180bcce05f285fbf38aefbc78d1279cf0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/64c0cc90-e206-4983-b1a3-0caccc0158ba/
Parent samples :
da805e8b0f86bcc67aeeb038fc69ef5551b4de2b22105aef39d534e051f57d4a
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
Link:
https://www.unpac.me/results/64c0cc90-e206-4983-b1a3-0caccc0158ba/
SH256 hash:
ac23c5441e969ccbb63603b3f33840b48b40f2cba4c0dbd37affcb032f468c3b
MD5 hash:
f7f1bbba00cef2bbe1bebb704bc42f0c
SHA1 hash:
1f74b52ee41c8da644b2cd905ee056402bdbf00b
Link:
https://www.unpac.me/results/64c0cc90-e206-4983-b1a3-0caccc0158ba/
SH256 hash:
c862515b253a81f28c913fa2747b0c9d5734f245f7bf4fdce0798465b8d68b52
MD5 hash:
591dfb5158a6a99c1d21cd9c89dae898
SHA1 hash:
0af06b73128418fb937d7711dcdd388ec7bc246c
Link:
https://www.unpac.me/results/64c0cc90-e206-4983-b1a3-0caccc0158ba/
SH256 hash:
e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917
MD5 hash:
081f5f42ff8f75d52ca942383d097028
SHA1 hash:
8382c3a28ab790b7090f25cb5b7259638b57cb5c
Link:
https://www.unpac.me/results/64c0cc90-e206-4983-b1a3-0caccc0158ba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e99179189d603b5fe86e06f80326ff9716c05825a47c4c0dfecc5d9b3429d917

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/172549/

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