MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085. 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 2 File information Comments
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SHA256 hash: dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085
SHA3-384 hash: 10a6df4b2c5e34e6a5867454c33a75f17915fa0a5126b138f6cf896c52f43d26d5cd0b85a35a726d4758c8d013446dce
SHA1 hash: 122b7e5c3496c9e7ff528ae800526876c090050d
MD5 hash: 2a7e5440b5fb19ba09cfcce1afe85e0f
humanhash: purple-stairway-moon-uranus
File name:DSX_AIR_.EXE
Download: download sample
Signature Formbook
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File size:782'848 bytes
First seen:2023-01-25 09:48:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:Ut4gOMtEwcU3gZ+GQzjkATGdszyZtHZlCmWhrjKYQDJxuv64GEabMhwHJ7GPzlfK:uRO6AAgZbQzlGIyZFggDJKES2J7GPzly
TLSH T156F4E040AA784B57F4FD8FFC427D66861FB0286B63E3E3B50ED122E614537428641AE7
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 cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
DSX_AIR_.EXE
Verdict:
Malicious activity
Analysis date:
2023-01-25 09:51:31 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/106a6234-f187-41e1-90fa-b0628f4a0032

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/356665/
Detection(s):
Sanesecurity.Rogue.0hr.20230124-2333.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d0fb101c9cbf7d6252859f/reports/d34d7a3b-256c-4be5-abc0-ad24d794361e/overview
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/ab995c41-2b3d-4f4a-9c9c-dcb136df8f91
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158591
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 791328 Sample: DSX_AIR_.EXE.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 33 www.cryptoqzclimax.com 2->33 35 cryptoqzclimax.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 8 other signatures 2->49 11 DSX_AIR_.EXE.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\DSX_AIR_.EXE.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 DSX_AIR_.EXE.exe 11->15         started        18 DSX_AIR_.EXE.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 1 15->20 injected process9 dnsIp10 37 bryanokoh.com 82.180.175.252, 49703, 80 BROADCOMDK Denmark 20->37 39 www.bryanokoh.com 20->39 41 www.aditrirealty.com 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 cmstp.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-25 06:40:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 25 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3qhyiqhjv2jhmhs6qm5sfqser6ypfeaptime5ar3fgohjw24cccq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:gg62 rat spyware stealer trojan
Link:
https://tria.ge/reports/230125-ltb4rsff42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
31c174403743dbc72a7d5e6755d06dde96941e75db3ccc9ad307c2704d5d1a4b
MD5 hash:
9b783827ef97a15f2a1c2d98f12b64c4
SHA1 hash:
f3cc4529714f1ae81d528a7a1fc5f36238de1ea2
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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Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
Parent samples :
dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085
f79a020cedb43bbd1f4948a2566d081fed934d56f871741d2548f792e8800e7b
ed5c5ef5186a78d9dd02e7dbf36b0bcc9d6c0e733f04a6780f6bcf06dbfc3338
802ef9033535b7c8c8b6844eb030ab8fa10f6427d45d5b7f8339f5d89cff1958
342215db36f2fa15a4b72d54cb4e7a7179462dcaab9dc9f791336df867d6d286
686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486
2fb0a24e905687a5443fbe50d21033e4318da3275260bd82d016a9af346bb09b
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
SH256 hash:
5430e670a6b6807c5c6db45030295069bdda37334222025aa6688899337f7641
MD5 hash:
dc4b8b2df2c2b56e21684534ee914c6e
SHA1 hash:
24af078c7271ac80814a54846d04502c9e1a8b33
Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
SH256 hash:
9e9d5c1e1ebc414473ddd1da2e14830263a26b75ab9a08c72d8405abd287cd35
MD5 hash:
086217f2962f3e5556124062363609c4
SHA1 hash:
0d2280e1233d6bf38764841f0e6c50a232433d92
Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
SH256 hash:
dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085
MD5 hash:
2a7e5440b5fb19ba09cfcce1afe85e0f
SHA1 hash:
122b7e5c3496c9e7ff528ae800526876c090050d
Link:
https://www.unpac.me/results/07531993-77bf-4f58-9f34-d468979de968/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dc0f8440e9ae/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085

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:pe_imphash
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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.

Malspam

Formbook

img 6a6634a6754be1fdcb3a84e5a32a6bc1171b3975a85aa2f9e6deb5f3bfdf9d8b

Formbook

Executable exe dc0f8440e9ae92761e5e833b22c2448fb0f2900f9a184e823b299c74db5c1085

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6a6634a6754be1fdcb3a84e5a32a6bc1171b3975a85aa2f9e6deb5f3bfdf9d8b
Cape
Cape
https://www.capesandbox.com/analysis/356665/
  
Dropped by
MD5 695047dac64b9be83b7e39a3699d4f9a

Comments