MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments
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SHA256 hash: a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
SHA3-384 hash: 486d06aa555a98806a88c8a62ee1b2b897c1e0563d045a766541bfe48838398e61eae62feed4b468d738d3632332639e
SHA1 hash: 77b6944a9c19fb00172d436f4146bfa255013306
MD5 hash: e0e6e7d9c723993d7172fc5cf35ed241
humanhash: blossom-single-delta-five
File name:HUAWEI New PO [#16426900].exe
Download: download sample
Signature Formbook
Create hunting rule
File size:594'432 bytes
First seen:2024-10-07 08:31:21 UTC
Last seen:2024-10-07 09:35:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:HVf0ws2B6rJq5b/BnXF0kfT4RwLMbX1UXLMcNymOJ:HV3sE6qV10y4X5UAYOJ
Threatray 1'960 similar samples on MalwareBazaar
TLSH T1B6C4234A0378CF25ED3E4B7D04C3AAA417B5AA25F169CFED0E9285FE5857F284311B09
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
388
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
HUAWEINewPO16426900.exe
Verdict:
Malicious activity
Analysis date:
2024-10-07 08:35:17 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/91644e90-fb1b-4c61-a449-84d466a69570

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.32077.6250.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67039c84b932c04ee8fdc470
Tags:
Powershell Phishing
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/67039c89d92ce92b9f9b3318/reports/d2334e11-663e-4ee7-8eb0-fbf78003bd4e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2e981468-7626-4af9-931a-1bced94aa7f5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1527878
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1527878 Sample: HUAWEI New PO [#16426900].exe Startdate: 07/10/2024 Architecture: WINDOWS Score: 100 57 www.upremehomes.shop 2->57 59 www.upiloffatemotors.online 2->59 61 9 other IPs or domains 2->61 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Sigma detected: Scheduled temp file as task from temp location 2->79 81 13 other signatures 2->81 11 HUAWEI New PO [#16426900].exe 7 2->11         started        15 YRdJVRLxI.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\YRdJVRLxI.exe, PE32 11->49 dropped 51 C:\Users\...\YRdJVRLxI.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp1A1B.tmp, XML 11->53 dropped 55 C:\...\HUAWEI New PO [#16426900].exe.log, ASCII 11->55 dropped 91 Adds a directory exclusion to Windows Defender 11->91 93 Injects a PE file into a foreign processes 11->93 17 HUAWEI New PO [#16426900].exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        24 HUAWEI New PO [#16426900].exe 11->24         started        95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 99 Tries to detect virtualization through RDTSC time measurements 15->99 101 Switches to a custom stack to bypass stack traces 15->101 26 YRdJVRLxI.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 30 explorer.exe 50 1 17->30 injected 71 Loading BitLocker PowerShell Module 20->71 32 WmiPrvSE.exe 20->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        73 Found direct / indirect Syscall (likely to bypass EDR) 26->73 38 conhost.exe 28->38         started        process9 process10 40 raserver.exe 30->40         started        43 chkdsk.exe 30->43         started        signatures11 83 Modifies the context of a thread in another process (thread injection) 40->83 85 Maps a DLL or memory area into another process 40->85 87 Tries to detect virtualization through RDTSC time measurements 40->87 89 Switches to a custom stack to bypass stack traces 40->89 45 cmd.exe 1 40->45         started        process12 process13 47 conhost.exe 45->47         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-10-07 08:32:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uj4auq5md2iknfc4pdf4xwjjqy5lrhds74pymoapjayd2bi3y7ka._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
Formbook
5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1
Formbook
795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71
Formbook
a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
Formbook
error
Formbook
f30297ce3c8bc97f49286ee0c14b241d6653a2e992de11213aa25a296ab485cd
Formbook
+ 1'950 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cu29 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/241007-ke97kswblj/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/c75fba62-cb50-46bc-9f8a-3e5002603ea9
Unpacked files
SH256 hash:
9c64915d0a649bb2641dc89b7c1573bd9d49b8acf602769fe87b88e4268fcc36
MD5 hash:
2461709698d52f14ceda2c3086579224
SHA1 hash:
16f282e37f25dd43a699052d9bd23bf33bd55a43
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/7cbf6801-1ab0-497b-8cf8-71b0132cdc8e/
Parent samples :
a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
f30297ce3c8bc97f49286ee0c14b241d6653a2e992de11213aa25a296ab485cd
a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
e1902171c2bba8b0280e747ec2457209c1b32bf899d85f241c2993fdcba1ac31
cf8230d20fbd1b9b21058813669fcd7fa9575a5a0f9c38269213b4e712d918d3
a5c97f8e1ff612fbfcc18f1a1852db11099e58bb241f5b825c74715c60dd0fef
0309aa8889daca83b4cf97ab99bc9921bb549c9187736a69c76185dfe68cd325
ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d
fe32cd498b7f031639961bfb962d1289896a3667f38f06f801b2c5d97d0b5906
b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5
1c2b963220cf175f77391b7fa2e2f27dc835144750b9c3c0c4c6ddb2e1cccc45
2847c9264726b6c4abbcede6bfc40c2386e93e81a8cd968c19e5493e08851f1a
10b85fb4905227bc1e37c8ebfcb317b188f9d93a761aa887977dae17c71de81f
320aa8c92e7c70266b35c8a5fc38ed069d68e6e1403b3ce56bab93fbd349d890
8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912
ec6c0b68ad723bfd12ffe050b290318de9f50ceaac13a9f9483d42a6301ac657
ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637
069a4c2c42050c9037f6a11f9083b312c8bc3159fbe2b73f1e84760da762e6a8
00140ab45e4fcbba5f1b52f3058a8ac015771eb60348617843ac7ca841b8bae9
0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891
bfb4b96460ce25a3a585f3780f8ab6c0db4d31dccfe614491876332c028d4328
c82b82cf444e4a02ffe7091ef5ea7bea733c2127c38366c88775cade7d234681
a6d2a47171f9630a8db62eb4001e196dfbad94cf40638e108cc649883d1bc069
SH256 hash:
31b2e025b752a4cb15328f2109eb7f50d19251f34f27ed379d76dd058bf50903
MD5 hash:
512456ade7ef29b42611731cb37658d6
SHA1 hash:
4f77d1e6cf36631b04f332676d3dce41c7fea5a5
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/7cbf6801-1ab0-497b-8cf8-71b0132cdc8e/
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
Link:
https://www.unpac.me/results/7cbf6801-1ab0-497b-8cf8-71b0132cdc8e/
SH256 hash:
a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4
MD5 hash:
e0e6e7d9c723993d7172fc5cf35ed241
SHA1 hash:
77b6944a9c19fb00172d436f4146bfa255013306
Link:
https://www.unpac.me/results/7cbf6801-1ab0-497b-8cf8-71b0132cdc8e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2780a43ac1e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 a2780a43ac1e90a6945c78cbcbd929863ab89c72ff1f86380f48303d051bc7d4

(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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