MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a2a1e57a606e82fcb2e16a4b6acff6d4206c23bd33b6bcea2dd8e519f1cdb03. 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 6 File information Comments

SHA256 hash: 1a2a1e57a606e82fcb2e16a4b6acff6d4206c23bd33b6bcea2dd8e519f1cdb03
SHA3-384 hash: 11b13e124ee9b095e5ebc46d649e878bd6666afdf8fd053c16d9339c41607419f52191f7c4a49a3a2cf8cd2faf9cfeb6
SHA1 hash: b7843ac76abfee6b31537a97997396d7980c9f5b
MD5 hash: 2853c2624d8569cc75ce8d4d7c5262a3
humanhash: california-three-virginia-xray
File name:2853c2624d8569cc75ce8d4d7c5262a3.exe
Download: download sample
Signature Formbook
File size:377'145 bytes
First seen:2023-01-30 12:47:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:jYa6yIx+4dF6US1oGZdXkZMjjA2VAgSp512/YRLc4/hi2tnq4mQkE:jY1x+4mr1BHUMjc2e3p51rBhi6qS
TLSH T16084D0C5FA5094A5EC2997312A3ADD325A137C3EA574260D3FCE3E373BBB442A419913
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ORDER.docx
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:40:29 UTC
Tags:
opendir exploit cve-2017-11882 loader trojan formbook stealer

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794344 Sample: hIMJgp4RfW.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 4 other signatures 2->42 9 hIMJgp4RfW.exe 19 2->9         started        process3 file4 26 C:\Users\user\AppData\...\ggklvdbreh.exe, PE32 9->26 dropped 12 ggklvdbreh.exe 9->12         started        process5 signatures6 54 Multi AV Scanner detection for dropped file 12->54 56 Detected unpacking (changes PE section rights) 12->56 58 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->58 60 Maps a DLL or memory area into another process 12->60 15 ggklvdbreh.exe 12->15         started        process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 28 www.glbinwene.com 156.236.69.171, 49723, 49724, 49725 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 18->28 30 www.cassymarketing.co.uk 81.17.18.197, 49729, 49730, 49731 PLI-ASCH Switzerland 18->30 32 16 other IPs or domains 18->32 44 System process connects to network (likely due to code injection or exploit) 18->44 22 rundll32.exe 13 18->22         started        signatures11 process12 dnsIp13 34 www.dongshi88.com 22->34 46 System process connects to network (likely due to code injection or exploit) 22->46 48 Tries to steal Mail credentials (via file / registry access) 22->48 50 Tries to harvest and steal browser information (history, passwords, etc) 22->50 52 2 other signatures 22->52 signatures14
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-30 11:18:46 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Enumerates system info in registry
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
d13ae5c77185b9e05d78da2a24f5031bc9aff331459395a7c26d1d143b407530
MD5 hash:
10f8b73625bd463839d48940995d4d86
SHA1 hash:
2904c95abb857e9f8546579b371a11b25e5ad5eb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
dbaef780b19d70014369da279431ca61fbe2f15f3593c58db0c4572b9ddf094d
MD5 hash:
8d0f13a6c9e62ee404113e99171d0f20
SHA1 hash:
84f88373dc8640337ebf1a9a0e745e5cabe1d057
SH256 hash:
16593d89980f4622d2ee9282b56b0c97c5b126c89705ae56bb90fc0ccaa3b1f7
MD5 hash:
27533cf3d352dc2f145e2357d4829a14
SHA1 hash:
a55bc0c30bcdaa488485c4abf18e18b2a79c3b7d
SH256 hash:
1a2a1e57a606e82fcb2e16a4b6acff6d4206c23bd33b6bcea2dd8e519f1cdb03
MD5 hash:
2853c2624d8569cc75ce8d4d7c5262a3
SHA1 hash:
b7843ac76abfee6b31537a97997396d7980c9f5b
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 1a2a1e57a606e82fcb2e16a4b6acff6d4206c23bd33b6bcea2dd8e519f1cdb03

(this sample)

  
Delivery method
Distributed via web download

Comments