MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b. 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: 15


Intelligence 15 IOCs YARA 18 File information Comments
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SHA256 hash: dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
SHA3-384 hash: 3415686be2c14a4f70d768d9bb52c603978f0674311438ac7cc64286d6b819af2944cbf0a0b811f34727f54b816d3b95
SHA1 hash: b42c1c003559e0a45ddc77e1c87d77042e0a8da4
MD5 hash: e4734a65c92535eeace1b19fc1020fde
humanhash: eleven-sixteen-red-yankee
File name:dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
Download: download sample
Signature Formbook
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File size:691'200 bytes
First seen:2024-02-07 15:05:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:taSAoIFFHgeg/cg/YR2p4lVhz5dzs/qtuyXjkMGmAYFktyLoftOLoAwlfi2THUMi:taSAXFxZlV1rzsiIMGmAYFL6OLhwlfb3
Threatray 756 similar samples on MalwareBazaar
TLSH T1BAE4124037EC5B2ADA7E47F45526A11047BAB25B3673E30E5EC660DE1D32F0046A2F6B
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) (4504/4/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 15:09:12 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/382e6d53-37f0-402d-a86b-90b674fbdcbb

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/475209/
Detection(s):
Win.Packed.Filerepmalware-10019564-0
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65c39c642cb3f19023f43d17/reports/a2a03186-b5c8-458e-8a87-1763bf922fd9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e45dbee2-7dc2-401e-9301-942be1c8b926
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388469
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388469 Sample: 1bwOb3xBhg.exe Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 55 www.aegnor.xyz 2->55 57 www.xn--674a.net 2->57 59 15 other IPs or domains 2->59 75 Snort IDS alert for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 83 13 other signatures 2->83 11 1bwOb3xBhg.exe 7 2->11         started        15 hLASbJDeQpV.exe 5 2->15         started        signatures3 81 Performs DNS queries to domains with low reputation 55->81 process4 file5 51 C:\Users\user\AppData\...\hLASbJDeQpV.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp3390.tmp, XML 11->53 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 11->91 93 Writes to foreign memory regions 11->93 95 Allocates memory in foreign processes 11->95 97 Adds a directory exclusion to Windows Defender 11->97 17 RegSvcs.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        99 Multi AV Scanner detection for dropped file 15->99 101 Machine Learning detection for dropped file 15->101 103 Injects a PE file into a foreign processes 15->103 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 RegSvcs.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 2 other signatures 17->73 30 explorer.exe 50 1 17->30 injected 34 WmiPrvSE.exe 20->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 26->40         started        process9 dnsIp10 61 www.e-teacher.info 104.247.81.53, 49716, 80 TEAMINTERNET-CA-ASCA Canada 30->61 63 entur.store 84.32.84.32, 49713, 80 NTT-LT-ASLT Lithuania 30->63 65 6 other IPs or domains 30->65 105 System process connects to network (likely due to code injection or exploit) 30->105 42 chkdsk.exe 30->42         started        45 help.exe 30->45         started        signatures11 process12 signatures13 85 Modifies the context of a thread in another process (thread injection) 42->85 87 Maps a DLL or memory area into another process 42->87 89 Tries to detect virtualization through RDTSC time measurements 42->89 47 cmd.exe 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2024-01-30 02:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ozwodum4fpq5rhvbollsttu43s5y2bozs2dbd75b2xrek3ztn5q._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
438b026b52bd8b11d0b752f5734bf8a20275a6746a522c4a8179f2f9030c5fb6
Formbook
ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
Formbook
b42726f4443540c3f83c7dda13ae14f39a143193e5dfb97d03ae4bec6333f364
Formbook
d874115a2ecddc7e5bb601693bd5c67fc9eef69463ebab125c311f3708d7ede5
Formbook
d90dd100eb8d2c639e9615f0657073e840f080f8a9a7a75f8f978fd13145fe0c
Formbook
eeb9ebbaf564800d692de3de873fafbfb9ed9f47459e83bc4a2ffdc1503a1799
Formbook
+ 746 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ge22 rat spyware stealer trojan
Link:
https://tria.ge/reports/240207-sgqvqabbcq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
d081744a262532fdb32075ddf1bc86e0751d434664f97d62186a68d9f103549f
MD5 hash:
3a415908f25c821db31827b48ddbcf54
SHA1 hash:
caecb6ee2e0ae7c2b9f9f22c952d1c8e0b4ace38
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/86d5ab62-d5e7-4238-b0c1-8565ed90e606/
Parent samples :
dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
3c89aeb703a2550cc4824ea72fb1003cb74433c85387717afd025fa584865d94
8192cce9a032b0e6024194cf3a38858bc8c9e620144742a8373d961ca22927fe
37ab61ae86c08d6a684fff573cbd927b144dfac5006d660cc3cb58676fb15c2c
0a0070a22c28587c932cde74814087abf7089964f35f51c350da68cc3ab9684c
6154730b63778ae67589ab71efd7459b0e4463c419d2e649b0d2af0f67241e28
SH256 hash:
36a2c41a2168535d22de9afcac77e63791d546b3e3cf3475748c066406425152
MD5 hash:
b8ef480be592f506d4bf7e79528129a7
SHA1 hash:
cc6e94639d3bb9dbcf5e4862befd2a4fcf690aee
Link:
https://www.unpac.me/results/86d5ab62-d5e7-4238-b0c1-8565ed90e606/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/86d5ab62-d5e7-4238-b0c1-8565ed90e606/
SH256 hash:
3512e50a7509ca8b120d7835c69302e5d739fa3651dd65485e5739a1cc991ede
MD5 hash:
8bc76b6253fe4689a874767bdefec712
SHA1 hash:
4642b756487c2e1878e7e03e32e77b51df0b3b3e
Link:
https://www.unpac.me/results/86d5ab62-d5e7-4238-b0c1-8565ed90e606/
SH256 hash:
dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b
MD5 hash:
e4734a65c92535eeace1b19fc1020fde
SHA1 hash:
b42c1c003559e0a45ddc77e1c87d77042e0a8da4
Link:
https://www.unpac.me/results/86d5ab62-d5e7-4238-b0c1-8565ed90e606/
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/dbb3670e8ce15f0ec4f50b96b94e74e6e5dc682eccb4308ffd0eaf122b799b7b

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
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Check_OutputDebugStringA_iat
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Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
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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/475209/

Comments