MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26c004fb03af90aee24cbe0edaeb758c87e8835ce235ecb49b1e0c1eecf17538. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26c004fb03af90aee24cbe0edaeb758c87e8835ce235ecb49b1e0c1eecf17538
SHA3-384 hash: 42738fae32fb246147fd3e2768522de69c8c41bb6731c93775a11a5109ae3131e441dbfcefd832327f8e9d103421bdd9
SHA1 hash: 35ee56483f272e253edb729a28ad09ec7093d1da
MD5 hash: a584413d951bd57fadbf1c0e31bf5464
humanhash: minnesota-summer-enemy-sink
File name:RFQ-ENE-OF-23-3976-C.xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:676'352 bytes
First seen:2023-10-10 20:03:06 UTC
Last seen:2023-10-10 20:35:14 UTC
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:tV5fRfX9KlbXCszJ/FgYh1QLd+yNtFF40iWTNpQ3k33YRMy:XftMCsz1FHh8b4DWJS3VRF
Threatray 56 similar samples on MalwareBazaar
TLSH T174E4122837844D57E7A803B89F42D6F083B8DE0D1419E3A529F46CDBBDAF7038496297
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 34263632b39bd9d0 (9 x AgentTesla, 5 x Formbook, 3 x Loki)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
309
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ-ENE-OF-23-3976-C.xls.exe
Verdict:
Malicious activity
Analysis date:
2023-10-10 20:04:39 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/ab8c06dc-796d-4d7e-8816-e3dc626548a9

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/452997/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2370.2743.30228.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6525ae325befb75cf362d8ee/reports/fd796b61-1eb9-4e59-861f-06fced2a59ba/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/26c004fb03af90aee24cbe0edaeb758c87e8835ce235ecb49b1e0c1eecf17538
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/6e06a0f8-d5f1-4143-aaaa-7abc7ecda033
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1323253
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1323253 Sample: RFQ-ENE-OF-23-3976-C.xls.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected FormBook 2->36 38 6 other signatures 2->38 9 RFQ-ENE-OF-23-3976-C.xls.exe 3 2->9         started        process3 signatures4 40 Adds a directory exclusion to Windows Defender 9->40 42 Injects a PE file into a foreign processes 9->42 12 RFQ-ENE-OF-23-3976-C.xls.exe 9->12         started        15 powershell.exe 23 9->15         started        17 RFQ-ENE-OF-23-3976-C.xls.exe 9->17         started        19 RFQ-ENE-OF-23-3976-C.xls.exe 9->19         started        process5 signatures6 46 Maps a DLL or memory area into another process 12->46 48 Queues an APC in another process (thread injection) 12->48 21 BJBGyEfDyTVwIsdbheggAqcXJWEvs.exe 12->21 injected 23 conhost.exe 15->23         started        process7 process8 25 cscript.exe 21->25         started        signatures9 44 Maps a DLL or memory area into another process 25->44 28 explorer.exe 3 1 25->28 injected 30 BJBGyEfDyTVwIsdbheggAqcXJWEvs.exe 25->30 injected process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26c004fb03af90aee24cbe0edaeb758c87e8835ce235ecb49b1e0c1eecf17538/
Threat name:
Win32.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-10 04:08:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 35 (54.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e3aaj6ydv6ik5ysmxyhnv23vrsd6ra244i26zne3dygb53hrou4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
382569a59d1fb65e1d9a987191305ede9fc0f51219ec1b6dc281e21bf1e53db2
Formbook
5706d8958701b77e315dcd2d850bb5028518dbea8a851d84680f15b0669430f5
Formbook
988ed9d6f58307ca4d5d42471240d5fbc37f31b5bc0e1007869ffc22f12571b2
Formbook
a915e631517c5b9eadd5062e2c12d33521950a2650d56e69f60ed0d783f35345
Formbook
ac10fa3a6b7cfc8385aba614ca8f0da49fe6b0cb6f1b939ec0f0046ecf80ca64
Formbook
aff3c6ff3ee41b9772f8e47332a9a6a4681c65b5fa0abb51a621d628fe2f89bd
Formbook
c8827b3385b4cfc8e31913a78e7e108ffeaa2cad099ccc49d4cb2c26edc5a910
Formbook
cc74e95443838d54168e736be39859926097fd7da7606b6ef4d8bfb794303eff
Formbook
cecee88a7617e74a94da62a630b47509785f2d0dd45bae200fba376915eff317
Formbook
+ 46 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231010-ys8skagg6s/
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
7740c6301aa420d14f2f547d0e0765f0d749756598bc46d06969026e65169cea
MD5 hash:
16b429a543597d5c9a678819b71fdc69
SHA1 hash:
21ba8aede384396926b3f4c3f09899d8a2bf155c
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
SH256 hash:
8f5c0c2eb2e763b06d10926f06ebbfc411e58bcabcb0a0a39257421e3ade308f
MD5 hash:
d04d4754040256cfad2c243631de5125
SHA1 hash:
5ebe5172272b91403ebf8ae5aa4c6a2d1630dc87
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
SH256 hash:
10995808aead566e21264b920ca75ba50c42d816b97d35be20ce567d2a6795f6
MD5 hash:
5b8b621da721b70a35dff2759c459429
SHA1 hash:
84c521c5bd34e44d4d0947d4517616a6bf2f13c3
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
SH256 hash:
d511c0658340ec9d35d8f08fd22ae55c6aeebcb52dac453040817a6f9ffd7e43
MD5 hash:
3ac67cb9041168e636198401f53d857b
SHA1 hash:
6207398f41db994130c80150a0c2598045e68b45
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
SH256 hash:
26c004fb03af90aee24cbe0edaeb758c87e8835ce235ecb49b1e0c1eecf17538
MD5 hash:
a584413d951bd57fadbf1c0e31bf5464
SHA1 hash:
35ee56483f272e253edb729a28ad09ec7093d1da
Link:
https://www.unpac.me/results/79bccd20-2c74-4c7d-b396-b4ce04fd1be3/
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/452997/

Comments