MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169. 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
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SHA256 hash: 347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169
SHA3-384 hash: be2b995f039d9cd4dc02399d8c3ba1f957405a2bdf47bcffa5eb1a6836520082c35f530a56b7506f47b20a1bf9b7f4aa
SHA1 hash: 4eacb1d04de258fde250819018b5fba93e6bc77e
MD5 hash: c181d4072468279090f281c81a1cccec
humanhash: blue-robin-nineteen-johnny
File name:SR2022061584,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:235'704 bytes
First seen:2022-06-15 04:17:40 UTC
Last seen:2022-06-15 04:32:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:vFnEGcA0Wrw1HanHylJmCLGliOBJGOh17IkTNE:tnEGcA0WrLH0mCLGliOSOhpu
TLSH T1E03412D7B3D85E4ECE721B30E0D8C1686BB8EB42321387877E9D215D5987BD22B4D468
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SR2022061584,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-15 04:20:12 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/2a646662-6c7a-4f72-a725-0b47b97c06f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/280018/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27078.28017.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/62a95d7b96efd87b05f9f96c/reports/4321a8ab-54f6-4400-b101-10efc1aa2a98/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b6c1509-f0bf-484f-9aaf-dd7ab8dbe488
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013394
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645890 Sample: SR2022061584,pdf.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 10 SR2022061584,pdf.exe 1 2->10         started        process3 file4 33 C:\Users\user\...\SR2022061584,pdf.exe.log, ASCII 10->33 dropped 61 Writes to foreign memory regions 10->61 63 Allocates memory in foreign processes 10->63 65 Injects a PE file into a foreign processes 10->65 67 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->67 14 cvtres.exe 10->14         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 2 other signatures 14->75 17 explorer.exe 1 14->17 injected process8 dnsIp9 35 optimalfamilychiro.com 15.197.142.173, 49805, 80 TANDEMUS United States 17->35 37 www.lensflareair.com 23.247.54.246, 49842, 49843, 49845 LAYER-HOSTUS United States 17->37 39 10 other IPs or domains 17->39 49 System process connects to network (likely due to code injection or exploit) 17->49 21 control.exe 1 12 17->21         started        signatures10 process11 signatures12 51 Tries to steal Mail credentials (via file / registry access) 21->51 53 Tries to harvest and steal browser information (history, passwords, etc) 21->53 55 Modifies the context of a thread in another process (thread injection) 21->55 57 2 other signatures 21->57 24 cmd.exe 2 21->24         started        27 cmd.exe 1 21->27         started        process13 signatures14 59 Tries to harvest and steal browser information (history, passwords, etc) 24->59 29 conhost.exe 24->29         started        31 conhost.exe 27->31         started        process15
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 02:23:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gr5seydabwm6dmyaplvpddab4tc3whm7fol6wny4nuwwtshocfuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:uugs loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220615-ewx1pacfaj/
Behaviour
Enumerates system info in registry
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
39f9f899de84f007cd8f3dcb9b55b6d0968ecfc2f083e48fd2f236d9f92dc082
MD5 hash:
66e5db9da4765c6ac60414e7d6faf374
SHA1 hash:
abe85d088558312afb77eba48a73cfdac8436557
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7ec04a3d-01b4-43eb-b80b-4ced4c66b956/
SH256 hash:
347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169
MD5 hash:
c181d4072468279090f281c81a1cccec
SHA1 hash:
4eacb1d04de258fde250819018b5fba93e6bc77e
Link:
https://www.unpac.me/results/7ec04a3d-01b4-43eb-b80b-4ced4c66b956/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/347b2260600d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AlphaCrypt
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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

Executable exe 347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280018/

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