MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611. 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: 91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
SHA3-384 hash: 7270c6160dd3823c794f61480506f44a52153a1790b8e81506699150486d3a7e8cd75f880202a09ed3228eaa31c293bb
SHA1 hash: cc9afc2852a585ee92e5b7672d2512594beb0e7c
MD5 hash: cf974c196261bfc1ade688e9d438cc85
humanhash: hamper-victor-ten-hot
File name:PO#CR21-1178321 -pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:502'272 bytes
First seen:2022-03-30 15:27:07 UTC
Last seen:2022-03-30 16:37:07 UTC
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:L+KXZVJ+nKIWefdLsADm922r8vcmfOspzbOCR8fcs32wxN:CQZVAlf5m9NspzbOCRja
Threatray 13'931 similar samples on MalwareBazaar
TLSH T1AEB4130262E4552ED1FE8B3F5471821013FDAB3BB502D70DABE130DD99E938952B19E7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259736/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn34.22423.21757.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/624477049253b276b7a8f33d/reports/01c9240e-16e4-4fdc-9f21-edd158737083/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce4042b8-6481-4370-9fac-b253db13a978
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/967700
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-30 15:28:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg66hysiwkcqutdyajyqnwfuyc3lujqe7uekbikpwrnyugzikyiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
Formbook
0a08e1464585333f5b4cb67d2150a488119fa971a878ad87c277197dbb453b93
Formbook
198a4a7609ba35046466d687d1c79c8ff4dcb0818ab256b1715a3677d23eba9c
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
Formbook
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
Formbook
c0f665918f4ea75327960ddf58cf37e415a6bf6569a4c22aa6291fbac9d171ce
Formbook
d1f436b64d16179e0491d6f691c305b31f05d69a446045dcca7dd3f388559ac5
Formbook
+ 13'921 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o0i7 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220330-swbdkshfdp/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0dd9623e53597656bf225ec182197137b77b54f475f386f57b563ea9d2f7d243
MD5 hash:
d81057c81549d2d721394f92d36dc407
SHA1 hash:
77405f30b5b7a678b2f23b65ee5805c5e31ae031
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/be88cc98-fabf-42c7-92c3-cc12cf41067a/
Parent samples :
633caade7dd7f37b7795be2142a7f0ef66259b65b1095b23a2070f02446f8414
e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
41573d104263a727eca5295cd59bf91c93d2a24ddb024d84f97244bc120036e2
81626ff8f2f5eb89a55ac197d51ab0d35c33e0607c9fd2a7077ac834a1a5c926
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
0082123fa15fb43d060c2f764bdd9f31a19e53b185e5f6de37d1dfec2f59504f
91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
ca7d37a30904725a82277567c30ba0fe5b441dad6d86d48afc3a954e8fdbd78f
044dd751a59cd849c84966a8ec5a6f65435cbd39af7696029a3ef2583819d1f4
SH256 hash:
0bed9dc284b61aec97c38ae1bb956d5b3f59b97b8795975c2f528838d2ba2003
MD5 hash:
cceb1d40f1d8c081085f7a6171627eb7
SHA1 hash:
a082276102101a49da31b2e2f61f7af7c6988758
Link:
https://www.unpac.me/results/be88cc98-fabf-42c7-92c3-cc12cf41067a/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/be88cc98-fabf-42c7-92c3-cc12cf41067a/
SH256 hash:
6f2c7b401681a582e19d352ebc8e5111f34f254b874d486f681a6fba3c473dc4
MD5 hash:
f34061d91c54b7d40e664f2e3437fa22
SHA1 hash:
6456db1e5132c884ea8e8e2a6e6c5dd9f15b2a39
Link:
https://www.unpac.me/results/be88cc98-fabf-42c7-92c3-cc12cf41067a/
SH256 hash:
91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611
MD5 hash:
cf974c196261bfc1ade688e9d438cc85
SHA1 hash:
cc9afc2852a585ee92e5b7672d2512594beb0e7c
Link:
https://www.unpac.me/results/be88cc98-fabf-42c7-92c3-cc12cf41067a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/91bde3e248b2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611

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.

Malspam

Formbook

Executable exe 91bde3e248b2850a4c78027106d8b4c0b6ba2604fd08a0a14fb45b8a1b285611

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259736/

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