MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517. 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 3 File information Comments

SHA256 hash: 7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517
SHA3-384 hash: e4c047020bacd9d983fab618da59398619c04924d7f5bf94a1425154610092bb50a425f752e88b0e1500cc97f58a1045
SHA1 hash: f4e7e73842c43f49e1050d9554231ed8b282e531
MD5 hash: eae4bfe9d3ded50dc5a860a68c874120
humanhash: failed-eleven-wisconsin-foxtrot
File name:PO-20230017.exe
Download: download sample
Signature Formbook
File size:960'512 bytes
First seen:2023-05-08 09:08:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Tj8Paty5w0F1ttBTLpJcuwiHjHfsyJGo5LsmVWWdUwWDOmbgOxwr:TAPatmw0F1tDVDsy0o5wmnWDOmb
Threatray 2'827 similar samples on MalwareBazaar
TLSH T19915D0923BC42AB1F838C9379362EC1B4BFDAEE812F1C10E2CDB75D847B2A4446D6555
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 8879f098cae060f2 (15 x AgentTesla, 7 x Formbook, 4 x a310Logger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
246
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO-20230017.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 09:12:01 UTC
Tags:
formbook xloader

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
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot obfuscated 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:
DarkTortilla, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2023-05-04 10:41:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wm23 rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
SH256 hash:
78df8242f1ca4bdc47a69c9ef128f8ff1a54b5fbe65f91d1fd4a5667ec7aa4bb
MD5 hash:
6fe068c9c0e8991222d166aa2b1a790d
SHA1 hash:
b46b92ba5eb4ef18a2c95b543f8f95fc436620d9
SH256 hash:
7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517
MD5 hash:
eae4bfe9d3ded50dc5a860a68c874120
SHA1 hash:
f4e7e73842c43f49e1050d9554231ed8b282e531
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 7dc1242cf01a3a2527ab8a7e03c370f556e3d62f4ad2567aa383000bb3448517

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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