MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: 442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566
SHA3-384 hash: aee5a812aa83754022612d762138f4c5f6176d39fad2b23010d4aca82a6ddc501ad393885321a7a1ff0b7444a85ba08e
SHA1 hash: ceb57a0f23e9f83b3a27fc0fc28dcb81bae33774
MD5 hash: 3c9b7fd74402cd58700430e38f7c0966
humanhash: lemon-september-hamper-mike
File name:Zeste Agency - New Purchase Order98765678.exe
Download: download sample
Signature FormBook
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File size:1'456'128 bytes
First seen:2023-01-04 12:17:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:k12o/oMDkNNRuqx+83nuTn5Lx+YHzdS1Cn/M0MSvfSAVL:w2YoMQQx+2x5HxSM/dM0fS
TLSH T12965B49C765072DFC867CD76DAA81C64EAA074BB830BD203A02715EDDA4D99BDF140F2
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Zeste Agency - New Purchase Order98765678.exe
Verdict:
Malicious activity
Analysis date:
2023-01-04 12:23:06 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/28c00646-281e-474d-82d2-1434aa12eb42

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/349392/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6765.29862.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/63b56e7c40e878e30422a68f/reports/25b72446-4247-45db-939d-f7b15aef5a58/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33aa1654-878c-43b7-b9dd-81600385b20a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1145049
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 777781 Sample: Zeste Agency - New Purchase... Startdate: 04/01/2023 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 10 Zeste Agency - New Purchase Order98765678.exe 3 2->10         started        process3 file4 37 Zeste Agency - New...der98765678.exe.log, ASCII 10->37 dropped 61 Injects a PE file into a foreign processes 10->61 14 Zeste Agency - New Purchase Order98765678.exe 10->14         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 17 explorer.exe 14->17 injected process8 dnsIp9 39 www.easygreenpots.com 17->39 49 System process connects to network (likely due to code injection or exploit) 17->49 21 cmstp.exe 18 17->21         started        signatures10 process11 file12 31 C:\Users\user\AppData\...\-K-logrv.ini, data 21->31 dropped 33 C:\Users\user\AppData\...\-K-logri.ini, data 21->33 dropped 51 Detected FormBook malware 21->51 53 Tries to steal Mail credentials (via file / registry access) 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 3 other signatures 21->57 25 cmd.exe 2 21->25         started        signatures13 process14 file15 35 C:\Users\user\AppData\Local\Temp\DB1, SQLite 25->35 dropped 59 Tries to harvest and steal browser information (history, passwords, etc) 25->59 29 conhost.exe 25->29         started        signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-01-02 14:29:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqwg7uaxo6ifbeni5gao2cur44cdtb2ld5oaxyoecyuawfd4ovta._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:ned5 rat spyware stealer trojan
Link:
https://tria.ge/reports/230104-pgln8aaf8z/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5f6f6f1e-061c-4036-ad7b-97c8c2568e1a
Unpacked files
SH256 hash:
60043a39c1941f1a76fbbb9600c03d5003d993a5024aa30abcf1b20107de81e9
MD5 hash:
ded1b3329be4a38b97d3aef2db52c3bf
SHA1 hash:
0b22eac3a2561869fcbaf70d27e804454011d1ea
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7d84ded4-32d5-4808-982c-5b901ad6a14f/
Parent samples :
f875be79be10a88a9a5c815b0676cbfc58f48e7524f2e4d383b2d7ef63d2e306
9ba86919308607097ed2da7d7857626435ab53b8b00b88f826fb1f403013fc7c
1d9174bdec1898ff2c3f05a51ec346057741162d0f762ae67f98210e977a39ac
442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566
d2551632f3f195c68160fb0faf465cacb8ebab09348ae46d0f6b53be2db4ca97
SH256 hash:
2be97cb50fad891275aba2254ee874933a90c965d5baff980783308ff0c6cdd8
MD5 hash:
c657ee049f996a7454752d7b51da69c8
SHA1 hash:
db0c72ce4aa02b8937cf7387d9b947a18503b67a
Link:
https://www.unpac.me/results/7d84ded4-32d5-4808-982c-5b901ad6a14f/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/7d84ded4-32d5-4808-982c-5b901ad6a14f/
SH256 hash:
442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566
MD5 hash:
3c9b7fd74402cd58700430e38f7c0966
SHA1 hash:
ceb57a0f23e9f83b3a27fc0fc28dcb81bae33774
Link:
https://www.unpac.me/results/7d84ded4-32d5-4808-982c-5b901ad6a14f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/442c6fd01777/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566

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 442c6fd01777905091a8e980ed0a91e70439874b1f5c0be1c416280b147c7566

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/349392/

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