MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f. 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

SHA256 hash: f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f
SHA3-384 hash: 86adf4d53bf9e1494dc13b0efe9fe9a37e36c3947d5ab145c3177f04212cbc477b404474f2390c4452f58493a0170b25
SHA1 hash: fec6b23c2df800dd828171e70af6c9cdf969c17e
MD5 hash: 340383b761e559e0879a8d1d713fab03
humanhash: fix-lactose-two-ohio
File name:PURCHASE ORDER 87910219.exe
Download: download sample
Signature Formbook
File size:625'664 bytes
First seen:2022-06-27 04:45:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:CKQ/YT5YA8DbtyOjYoiALVVD/wgAdpA1dj0OTa9wrzZ74VKMByoxb5HGKqkYUogY:9PTQYoFVVD/wgAdpopTpZ7wKMBT
TLSH T177D4E0A4DAEADCEED075103D1030522108B6AFD71A03FBD9A45EFD3ADC30743A6565BA
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f.zip
Verdict:
Malicious activity
Analysis date:
2022-06-27 06:46:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 652593 Sample: PURCHASE ORDER 87910219.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 32 www.sectsk.com 2->32 34 www.lodgelastrancas.com 2->34 36 lodgelastrancas.com 2->36 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 9 other signatures 2->52 11 PURCHASE ORDER 87910219.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\...\PURCHASE ORDER 87910219.exe.log, ASCII 11->30 dropped 66 Injects a PE file into a foreign processes 11->66 15 PURCHASE ORDER 87910219.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.sectsk.com 103.224.182.242, 49812, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->38 40 www.mpmidea.com 154.88.74.155, 49832, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->40 42 4 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 56 Performs DNS queries to domains with low reputation 18->56 22 explorer.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.cxg98.com 22->44 58 System process connects to network (likely due to code injection or exploit) 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 01:35:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:be3s loader persistence rat spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
40753f41bc3c3395899d01193d524728fd510a1598695cf8d44f496019095c6d
MD5 hash:
8735ae3907639d2c12fa23926c1a3ecc
SHA1 hash:
47d855f8e093a1ba801eeca269589a88d9a00d94
SH256 hash:
ecaccb55e956f3e53bee2f946e67cbe176a9bd7da3547d81102e8acaa5bc3fcc
MD5 hash:
37b9e9bf6c3afeafd3f878398d19a785
SHA1 hash:
12738536d983302936517403fa34df4852969cc2
SH256 hash:
f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f
MD5 hash:
340383b761e559e0879a8d1d713fab03
SHA1 hash:
fec6b23c2df800dd828171e70af6c9cdf969c17e
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 f347aec88092c54d126fc2edd831b57a14a67851669521ad8c4982bf8ae26d5f

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments