MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc
SHA3-384 hash: 30a5efbf99068a8d7bb8df0d6e2d1dd39d627962c5a20003936f5037d65d060a09ed3fff161ef91a42cd0b423b0e2bd3
SHA1 hash: fbda1359faede8b116b7eeb24c02e422f05f674f
MD5 hash: 3443feb2f20fa6f6786c585a984d7f3e
humanhash: network-glucose-social-king
File name:DHL documents_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:744'960 bytes
First seen:2024-09-19 12:27:24 UTC
Last seen:2024-09-19 12:28:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:cePDXRuoLrmCi5WRSKT5rnzjQjfCplpuyjAMqYmRgStP+H7A11HsX:cePp0KT5tuysMqYYmbG5s
Threatray 1'640 similar samples on MalwareBazaar
TLSH T153F4D01A1BDC8D19C57AE3B825AAC1300735DE0AF993E36BCBC5F9E73E163116906706
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
10092024163410092024DHLdocumentsPDF.zip
Verdict:
No threats detected
Analysis date:
2024-09-10 18:46:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a1b282dc-e36c-4248-89a7-955761bed334

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Cryptojoker-10035834-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ec18e577496a3b0d6ef1f1
Tags:
Generic Static Msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cryptojoker masquerade packed ransomware remcos
Link:
https://www.filescan.io/uploads/66ec18ddbb9fe02b41b4cf33/reports/b3d02d17-75e7-42e9-9c05-2dd5aa9301aa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc
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/d4eb2e0b-d4d4-49d4-8299-7a34bf839312
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513857
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
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
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1513857 Sample: DHL documents_PDF.exe Startdate: 19/09/2024 Architecture: WINDOWS Score: 100 31 www.rojectleadzone.website 2->31 33 www.lstrk.fun 2->33 35 9 other IPs or domains 2->35 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 11 DHL documents_PDF.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\DHL documents_PDF.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 DHL documents_PDF.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 70 1 15->18 injected process9 dnsIp10 37 www.algrup.net 92.80.198.37, 49713, 80 RTDBucharestRomaniaRO Romania 18->37 39 www.hindo.top 188.114.97.3, 49711, 80 CLOUDFLARENETUS European Union 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 57 Switches to a custom stack to bypass stack traces 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-10 07:37:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e244eiqpug7pnjdxxaydaytzeqqlt67t5ngsdwuebmi37e6f3hoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
1ac77b641f98af7d2d5f052af2721c8154b8c922be31ea7914ea76bd8c6d17c1
Formbook
435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397
Formbook
4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
Formbook
7dbfe3e815092dfd471861a962bbb464ec76438144f4cb5dd031b02eda2f8ea9
Formbook
8140718075fb3cf55e098f68fa8dfc75022a22fb658611503880b4c0c674d71f
Formbook
af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1
Formbook
eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf
Formbook
+ 1'630 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b31a discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240919-pncd5ayarb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/65934520-e30e-47ef-af9f-18da75bcbfbc
Unpacked files
SH256 hash:
c83c0a367712867b960ce8d742a57cfe6231d65cfe5eb14cdcced497d77fcd65
MD5 hash:
3abd239253118b6d0a823b9efd1ca97c
SHA1 hash:
1da5c763b07be907a24dc57d3d22e278ca9be6ad
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/54726232-7cfb-428b-87c4-5d7f39af0912/
Parent samples :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 hash:
bc47c34c75ee87b884953da7a6308568f7d728e5a5b7917f6bb36f2f4abce036
MD5 hash:
43bf095ea892df08fd6d2c412b120ec7
SHA1 hash:
349cf9d1be640b14bbabe06dbde266cded5e4a65
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/54726232-7cfb-428b-87c4-5d7f39af0912/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/54726232-7cfb-428b-87c4-5d7f39af0912/
SH256 hash:
26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc
MD5 hash:
3443feb2f20fa6f6786c585a984d7f3e
SHA1 hash:
fbda1359faede8b116b7eeb24c02e422f05f674f
Link:
https://www.unpac.me/results/54726232-7cfb-428b-87c4-5d7f39af0912/
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: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 26b9c2220fa1bef6a477b8303062792420b9fbf3eb4d21da840b11bf93c5d9dc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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