MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b
SHA3-384 hash: 181d70d2c0413936e5e014f9fb295f91a3f722e76e8cf23bb83b1b9db4e87eb9f912082ab517ef8137e23bd0913be8e4
SHA1 hash: 61aa9bea696644cfa3e153ff80b45893a79a21af
MD5 hash: 55ecd48ffdf4e580e1b897163f1473ef
humanhash: december-moon-colorado-mars
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:522'752 bytes
First seen:2022-05-16 06:10:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Zlx33u91GaUo+jELidv3zTpYcC5b3X/DoSG1CwPw+yb3S:Zlx33o131+jDbTAzroJ1Jrm
Threatray 15'934 similar samples on MalwareBazaar
TLSH T143B41200B6EC433AF43C03B55376482945B5FD16DA65F23D1EE6A0E42DB1F468E88EC6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c0b0c6c8a896a0c0 (20 x AgentTesla, 19 x Formbook, 12 x Loki)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 08:22:54 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8577b695-56b9-4bfd-9479-2bfc01fb5a02

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/270893/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6281eb00fd71ca8b2ee3abc2/reports/552a58c1-5051-4450-9968-ef858ca47ee9/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/48a97b8b-f501-4a41-bd25-aff5999fb5b9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994590
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 06:11:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqsqpe34ciakhpfqiqa6yqrjlvznplynnmoqoxdabbzzbs5larvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
11dd00b072a09a1fbb102e92ed096edb02f0dac02a88a690666873d4bcd2c515
Formbook
1799e80fe0e05e3e784de5536df1713309a3b345ea3dbd920acfff477735afbd
Formbook
39992920b2ad02ba761413d61b8c4b7eef23827d26cb50b4236f97c5af7d4d33
Formbook
7004038b720e2eab183b3cb5832661a32187f8d8c5f541dba61270044552fde0
Formbook
89a9b77261ed533dbce028de014c1e6b35ffae6419d2c9dc12178bfc49f7e5af
Formbook
8d08a6736ce2ad51b87e1f3e9577a53abd8ca055fb1d7027b97250cecabee199
Formbook
a9f8ff439d6cf51c60a5f9bba3653ea480fa72249562e11d6bc03bda8e672f5d
Formbook
af0b3b4be6e067411c7dd407bb6d9572d085c9961893555da88e2843493dc7c2
Formbook
bd9d5262381f0047565bc4bab49a846673c66872a627658541101feb386cec77
Formbook
c6ccab15f09cd96dc361af96d7c1b3469d83aaede794309536131081ea6ab245
Formbook
+ 15'924 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e2e9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220516-gxk4mafdf9/
Behaviour
Gathers network information
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5b01f027a64f907e5edcfc4ef22a4ae21dc30e773a589666fbb8a2f390ff1d21
MD5 hash:
ae141b03315976e3091a050af64b1bf7
SHA1 hash:
3f795dc025e5ee92c40ea0b124b8eb09b7d390be
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
Parent samples :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 hash:
d7bc89b0fe2def2d18fe43c59ba26c5b4ce25ef2860fbaad992edbf3939e9a36
MD5 hash:
d9c9d5a5e0029ef6cb3ae804ac2dfdb7
SHA1 hash:
64614094ab0ea091ef9735a5881ba1afe926ae52
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
SH256 hash:
476b24d2236a12761a1fa062babbd7b3b789653dd75ebd04e4c55aff0803111c
MD5 hash:
58724aa1c1b50bee6397b88631f31c10
SHA1 hash:
daf85a5983ee6fbd6fbc05b07d370f96349d9f5d
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
SH256 hash:
8469397ea3534b282d043f23dc5500949247e2b58e9ee720682f8b2b84b74bfb
MD5 hash:
ae48acd6a6daef48ef913da4f412b48b
SHA1 hash:
f527d57b319daaa486816d9d92a7ceb4e752078b
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
SH256 hash:
4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b
MD5 hash:
55ecd48ffdf4e580e1b897163f1473ef
SHA1 hash:
61aa9bea696644cfa3e153ff80b45893a79a21af
Link:
https://www.unpac.me/results/ebf398fe-52f1-42d1-8705-da6e0cd3ea76/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c2507937c12/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b

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

zip 6663f9e8979421ffa7d446661e560d9e0933282c1d05d29704b6474eb30e0dcd

Formbook

Executable exe 4c2507937c1200a3bcb04401ec42295d72d7af0d6b1d075c60087390cbab046b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6663f9e8979421ffa7d446661e560d9e0933282c1d05d29704b6474eb30e0dcd
Cape
Cape
https://www.capesandbox.com/analysis/270893/
  
Dropped by
MD5 cbff37d66de0f45c1d6db6dc2785d9be

Comments