MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
SHA3-384 hash: 714ae2202db31f0d0dcfc57ce117553245805f8c6dfbfb1e634c2e7dceb27b5aba695cb8026206022dec236ff43f4533
SHA1 hash: 5854ef67aad79a7d9cbe7111d334dd062ca6e09c
MD5 hash: 338813a058a8a13c04afe5a9b7db531b
humanhash: vegan-table-undress-spring
File name:SWIFT LETTER_A1OzGLOB0NH2.exe
Download: download sample
Signature Formbook
File size:650'752 bytes
First seen:2023-10-22 07:15:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:AT7s92gnd0vY0nnmc2G0oxZTYAx8Te2F5LBRXa8lv1JcTcwn:AT7s99dEY0/0oxZUT3Ha8dLcQg
Threatray 110 similar samples on MalwareBazaar
TLSH T1D9D4120271DC8913CB650F7DAD562200E7F268296D27C28BDDC922CE669FF754221BE7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00f0f0d4cc69b244 (10 x AgentTesla, 9 x Formbook, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329901 Sample: SWIFT_LETTER_A1OzGLOB0NH2.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 33 www.shoutart.com 2->33 35 www.sentrumsnytt.online 2->35 37 9 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 SWIFT_LETTER_A1OzGLOB0NH2.exe 3 2->11         started        signatures3 process4 signatures5 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 14 SWIFT_LETTER_A1OzGLOB0NH2.exe 11->14         started        process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 46 7 14->17 injected process8 dnsIp9 27 www.brynnwpods.com 103.224.212.212, 49725, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 17->27 29 www.commodityrisks.com 15.197.172.60, 49727, 80 TANDEMUS United States 17->29 31 4 other IPs or domains 17->31 20 help.exe 17->20         started        process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-06 03:35:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ls02 rat spyware stealer trojan
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
688ab86da603474227a28e968621763e0f4b931220c418b829403c961e2e57ae
MD5 hash:
539fda33fe59aa9316f052cad25ed3a5
SHA1 hash:
b4cbdedb01cd194e09020b5b69a1db9a908f3af2
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
SH256 hash:
fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73
MD5 hash:
338813a058a8a13c04afe5a9b7db531b
SHA1 hash:
5854ef67aad79a7d9cbe7111d334dd062ca6e09c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 fd8ec7e66dab730de6d7a96168974b95f2e9ba43c0c05b5fac55b3abc8a52d73

(this sample)

  
Delivery method
Distributed via e-mail attachment

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