MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4c48b5aefc7225b307e2e8c3f2d158b14fc6b736c83d36dc36a9d7c2e6eec29. 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: 15


Intelligence 15 IOCs YARA File information Comments 1

SHA256 hash: d4c48b5aefc7225b307e2e8c3f2d158b14fc6b736c83d36dc36a9d7c2e6eec29
SHA3-384 hash: 2975d5403f1fbba0bfa449421effad8694b4fbf083d048a93d172a3bb7c53d6b717134d890d212289565e8d4fe04d5ef
SHA1 hash: 40d643eea10361754431e2a0a846ae2425db2f6d
MD5 hash: 26b03bc9a56463548bca6397d586b4b8
humanhash: mockingbird-hydrogen-october-sodium
File name:26b03bc9a56463548bca6397d586b4b8
Download: download sample
Signature Formbook
File size:270'874 bytes
First seen:2022-11-11 11:25:11 UTC
Last seen:2022-11-11 12:55:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:MEa0Nj1VVIWaQguYK5MUXyc0/I2K5BCGJA16MW:XlaQCh3/y0Uj
Threatray 19'893 similar samples on MalwareBazaar
TLSH T1CE44222728C25973DA83D7328CF6C32AE1F789610241D897B7723F6354B2682D1AF685
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Minimal_Stock_Report_11-11-2022-01006.xls
Verdict:
Malicious activity
Analysis date:
2022-11-11 10:12:19 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan 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 process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
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
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
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 dnsIp2 2 Behavior Graph ID: 743917 Sample: JtUdhdonzo.exe Startdate: 11/11/2022 Architecture: WINDOWS Score: 100 28 www.19t221013d.tokyo 2->28 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 5 other signatures 2->50 10 JtUdhdonzo.exe 18 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\rhmdntkj.exe, PE32 10->26 dropped 13 rhmdntkj.exe 10->13         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 13->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->64 66 Maps a DLL or memory area into another process 13->66 16 rhmdntkj.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 16->19 injected process10 dnsIp11 30 www.afterdarksocial.club 162.214.129.149, 49698, 49699, 80 UNIFIEDLAYER-AS-1US United States 19->30 32 eufidelizo.com 192.185.217.47, 49695, 80 UNIFIEDLAYER-AS-1US United States 19->32 34 4 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 23 mstsc.exe 13 19->23         started        signatures12 process13 signatures14 54 Tries to steal Mail credentials (via file / registry access) 23->54 56 Tries to harvest and steal browser information (history, passwords, etc) 23->56 58 Modifies the context of a thread in another process (thread injection) 23->58 60 Maps a DLL or memory area into another process 23->60
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-11 10:14:21 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:henz rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0e269590075db8fae5f50fc93f05858bee15d0df70fded8257ea05d8dabddc9d
MD5 hash:
346661ca43cb88e99995cdd7c82e8451
SHA1 hash:
4c546b5e83e75342451908d42a3e393246595734
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
28b16f47301f54fa84b0bc5ac89a7af59689d9cef26c72dc46899e68d721927c
MD5 hash:
1a19d42acf93b01f6510ffca0eec3f99
SHA1 hash:
d3a5adc90c2bc1d9b99143800966295b8af46cb9
SH256 hash:
acad039f1acd3e7073a0ec04b2eb0039a6d657013cf8f046ccd73d3f1d8a897a
MD5 hash:
90984c74c28531504b78aab7640c171e
SHA1 hash:
f4d9513f58af4d3833a9c1f596789d398486cc44
SH256 hash:
d4c48b5aefc7225b307e2e8c3f2d158b14fc6b736c83d36dc36a9d7c2e6eec29
MD5 hash:
26b03bc9a56463548bca6397d586b4b8
SHA1 hash:
40d643eea10361754431e2a0a846ae2425db2f6d
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe d4c48b5aefc7225b307e2e8c3f2d158b14fc6b736c83d36dc36a9d7c2e6eec29

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-11 11:25:19 UTC

url : hxxp://103.151.122.150/googlespace/vbc.exe