MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd
SHA3-384 hash: 03c0b0d4aa7f7af51b7f977e3c53ac0eb0fc77fdaf2be94a9c3ee7a114763775632529fa4db9f7d9e925ba9a85580430
SHA1 hash: 63b64eb9cc9f354b8dda8841aa7f16806619d22e
MD5 hash: d10e61e54d51426089ce5af2564f7b54
humanhash: river-massachusetts-north-glucose
File name:POFDA37870023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:890'880 bytes
First seen:2023-02-08 21:39:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:klcI7MTyPdLX2tuCAe/ZXJ1MSrS+JPdkmlkbYzP3ofs8OxltKwJbK:BGSzJrlkEzP3D8KrJ2
TLSH T18A154A3E19BA57E2D179FA3942E18420F6EC93837303C998EDD62AC4CF015856EDE61D
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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
POFDA37870023.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 21:40:37 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9bb39718-b3a0-4826-ab5b-e071b8e04f32

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/362326/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer.exe packed shell32.dll
Link:
https://www.filescan.io/uploads/63e416b5c7ca3840b5a11339/reports/f66c7927-ba07-4625-9041-0ac53bc1eab7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ed019387-cdfe-467c-8961-66f106828498
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1169362
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 802143 Sample: POFDA37870023.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 7 other signatures 2->40 8 POFDA37870023.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\POFDA37870023.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 POFDA37870023.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 3 1 12->15 injected process8 dnsIp9 24 www.117ygh9x.com 154.94.150.137, 49699, 49700, 80 ROOTNETWORKSUS Seychelles 15->24 26 www.againstthealgorith.com 81.17.18.198, 49703, 49704, 80 PLI-ASCH Switzerland 15->26 28 12 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Performs DNS queries to domains with low reputation 15->32 19 msiexec.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 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-03 06:23:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
25 of 39 (64.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sagc7yb32n7hze7bu3z5g37l6yslxi3hxoakexgfyb25o6kqc7gq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230208-1h7tmagh47/
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
9809e2c3bb85a2f117ca155d5dddaf947a7c737a7357612605fe6fb9359d9e87
MD5 hash:
4e38145081b7438e27533608e2f21bb0
SHA1 hash:
9fec1547b4e63545f52246242fe3ddd819cd8234
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/46576409-0c74-4aeb-9a7d-340f78578be4/
Parent samples :
321dda1573edb04ded1d85176e9d53d430b4f33a88d5b5f907f4ed3a1669c39e
ae3ea706282521a21b700c0bd6b6ab0b0eecd3a4936bd84a35fe900f8412d3ab
11fc114aafcbefa384bd6e9f62dbbf80c982634e049d9c55a48a980fafaceb23
900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd
8b590e52e52d0d4f86e73e6248acb8b5cb8f4cb6cf2e6607aef2e599cf40c6c9
SH256 hash:
7f884a07907c27a1521dc2e997ac312539a9c79715e5a0c720d9c1910a2250ff
MD5 hash:
d3fa9cfd1634bbd430af04a4e27de4ce
SHA1 hash:
a831ac2356b589c383401d4a8648ac61b0d0af41
Link:
https://www.unpac.me/results/46576409-0c74-4aeb-9a7d-340f78578be4/
SH256 hash:
94137946289a867fcdb2a73110acc0d61c7398f34bc555d016e475f1cbed5092
MD5 hash:
1dc71de8669022492d77dfccb7924e3f
SHA1 hash:
ff4485c20b228bd58c6769f0d68f804fd5b3fecf
Link:
https://www.unpac.me/results/46576409-0c74-4aeb-9a7d-340f78578be4/
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/46576409-0c74-4aeb-9a7d-340f78578be4/
SH256 hash:
900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd
MD5 hash:
d10e61e54d51426089ce5af2564f7b54
SHA1 hash:
63b64eb9cc9f354b8dda8841aa7f16806619d22e
Link:
https://www.unpac.me/results/46576409-0c74-4aeb-9a7d-340f78578be4/
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/900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 900c2fe03bd37e7c93e1a6f3d36febf624bba367bb80a25cc5c075d7795017cd

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/362326/

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