MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4. 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 5 File information Comments
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SHA256 hash: 8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4
SHA3-384 hash: 16e55b1a3a48947020245be4a98d1c256f0d79c35f56416dd8ca375d9172e8b384bb70c2205dcde65b235c27f2374cc0
SHA1 hash: 1e4d857d05d7bd3d7ae37345dd9e38f629219596
MD5 hash: 15a03c78842f8e0f47ffc35dd6362197
humanhash: december-muppet-undress-north
File name:PO#30001174.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:255'488 bytes
First seen:2022-06-20 13:17:51 UTC
Last seen:2022-06-21 05:59:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 6144:2CJsabNUa/nm6/0QTUfwXEpw06ZN0/8tEOTEaCHyOl+Mk:2Cj/mBx4Kw06ZNjqK9kywk
TLSH T1A444F16997C7AF52D19D2E3EC0C72B2A03708C51A24BEB036E95B9D26D353CA151F8C3
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 308a8a8c8c8a8a30 (6 x AgentTesla, 3 x Formbook, 2 x a310Logger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281600/
Detection(s):
SecuriteInfo.com.Variant.Lazy.198092.5377.26972.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62b073cbf4dd1ffb77a42ea5/reports/ed8b1ceb-055e-4ac2-8134-31769368d498/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70f6cf99-59f7-4cf8-9bb8-28bfa6714736
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016322
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for submitted file
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-20 12:06:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rizankf36ucw27fxos7iipbkaz5kqzb6itcyyy7d5hfwltqph7ca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m56u rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-qjyl8sddej/
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7ff037f525d6d0dd25c1c78529dd5da8c0e847f1d234d34911de2e88015386e0
MD5 hash:
a1e77401be14590790a9523f9c71f522
SHA1 hash:
07c90c592b106c9a1adcc4d205da072bc4ff0a9c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/997a95f4-07d6-4783-850c-d1251aa90b48/
Parent samples :
8b44615acd4fd89243a9ec2bd8eaeef1c13eac7b28136874d02614d8c7e68a57
85a10f9329744d8c7ed58797d3a38beea00541b6fd45a51fe1e6887d4caf411f
8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4
2620668118d8ade45d0de6c49ea4c2af6213ff0e7d0b312b8ce8e080eba6c32b
b2834803a56b0fcfa98844491234dff7ffb74afd7e3adf821446f8c18955b585
7952c76d1d86927893a2ef8ca0a23bb1b45af38565f2ad9cea09a942bd5059f8
712d9e2373914cd9231c6c55a5d919efa6df53194b2c06b03695501dde071760
696ea6f69112d4d80b34a8dc589c16db71217fc6aa75567cb081bd02c56612b2
SH256 hash:
8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4
MD5 hash:
15a03c78842f8e0f47ffc35dd6362197
SHA1 hash:
1e4d857d05d7bd3d7ae37345dd9e38f629219596
Link:
https://www.unpac.me/results/997a95f4-07d6-4783-850c-d1251aa90b48/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a3206a8bbf5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 8a3206a8bbf5056d7cb774be843c2a067aa8643e44c58c63e3e9cb65ce0f3fc4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281600/

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