MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d. 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 2 File information Comments

SHA256 hash: d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d
SHA3-384 hash: 58cedf365e60838e5507ee4bb93b3f380197dcdbce0244ab48605692d06c44e791ec77f545c8871198d704143541d7bd
SHA1 hash: fcd1bcb3d3b932133a5f9749934dc32d6a822ae5
MD5 hash: 86c0573a6920ba2f12101ca3c042358c
humanhash: kansas-west-white-freddie
File name:Documents.exe
Download: download sample
Signature Formbook
File size:1'344'000 bytes
First seen:2023-03-02 12:20:49 UTC
Last seen:2023-03-02 13:37:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bUbUG3MzSSV93QMOEAlQ/ECDrmI7B2qnsq0neaZibqr9NGtLUV3SxHnCcddAE:xSSDYa/EyB24aQbqr9QOIoe2
Threatray 2'121 similar samples on MalwareBazaar
TLSH T13355B82809FC0AF2C5B1F1FD9FD4E753BD848CE6AA049D9982834B89555385720AFD3E
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 cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
3
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 12:22:43 UTC
Tags:
stealer formbook trojan

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818563 Sample: Documents.exe Startdate: 02/03/2023 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 3 other signatures 2->40 8 Documents.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\Documents.exe.log, ASCII 8->22 dropped 50 Writes to foreign memory regions 8->50 52 Injects a PE file into a foreign processes 8->52 12 RegSvcs.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 2 6 12->15 injected process8 dnsIp9 24 www.42230.org.wcdnga.com 163.171.128.148, 49740, 49741, 80 QUANTILNETWORKSUS European Union 15->24 26 matrukrupacc.com 216.10.248.111, 49714, 80 PUBLIC-DOMAIN-REGISTRYUS India 15->26 28 10 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Uses netstat to query active network connections and open ports 15->32 19 NETSTAT.EXE 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-03-02 12:21:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
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
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
c5f46eae4c3daf89f723d9a0ed54928319b429e8e6b7e090b6d9887a7f8ef56a
MD5 hash:
efb0011b5da4e019d914f3c0ab18f002
SHA1 hash:
0be02538e44f1a12f5b61d90c94f9bd20c562813
SH256 hash:
af58770ff380ca8b00c131363727afa1c18d1603c768f31eb14d45af2a802c6f
MD5 hash:
178063633a11019a4babed2aa8dcf24f
SHA1 hash:
f667c8300e264cef6c7f60feef7183f29bd72459
SH256 hash:
1ca385bd3f4ca0493e3efcd83451292b0add472eac326f2a16b1344c01ce9a55
MD5 hash:
941cefb61cfb63d2ba8b6331fc335213
SHA1 hash:
bf1fdb6224a5361d9231e6acd83454dae6a152b3
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
20f770342c96a99ebb9531f432a2f2aa7f898740d655ccfe6c07e0255237bc92
MD5 hash:
bcbbfd902fe0f287a41beefd16678af3
SHA1 hash:
5aa93685cb85143c73f36ec46290af9b214d12f8
SH256 hash:
d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d
MD5 hash:
86c0573a6920ba2f12101ca3c042358c
SHA1 hash:
fcd1bcb3d3b932133a5f9749934dc32d6a822ae5
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: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 d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d

(this sample)

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