MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1. 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 1
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SHA256 hash: c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1
SHA3-384 hash: 338ab744c0fa02f8abf25857108164e78d26676c0f86fd6ccfcd420e08452d508d76b76c2ce017de45deec397a0811b8
SHA1 hash: 6bd3bfe0a52c736c416959185041af2f5a112223
MD5 hash: 56234600028fe5cc01fb16ee4280735e
humanhash: purple-cola-stream-artist
File name:56234600028fe5cc01fb16ee4280735e
Download: download sample
Signature Formbook
Create hunting rule
File size:654'848 bytes
First seen:2022-06-10 10:37:25 UTC
Last seen:2022-06-10 12:09:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:NzgFPl9q7o6UNC63pNFIalUYUa3INIAczKyJ6zWpFdb/zoc2uv5VbY+XC27LvPDO:NGlYo6UE+pNbICAQKy+ALb/zoc2uhVj
TLSH T1F6D4CF98761075DFC857CD729DA81D24EA64A4BB531FC203A01316ADAE4EACBCF251F3
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Drawing06102022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-10 05:42:39 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/b993e3af-a46d-4862-9cd5-73421f77acac

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/278642/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32324.18948.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a31ef0af217491b52bdce5/reports/a7ada649-52dd-431b-b5ca-975870b2514e/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/576efebe-27aa-47a9-a029-7031132e81ce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010747
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
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
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
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: 643243 Sample: ArCzS0XrQP Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 39 www.zeanstep.net 2->39 41 www.13339.xyz 2->41 43 2 other IPs or domains 2->43 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 9 other signatures 2->57 9 ArCzS0XrQP.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\IpBWmzCqddUt.exe, PE32 9->31 dropped 33 C:\Users\...\IpBWmzCqddUt.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpFBDE.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\ArCzS0XrQP.exe.log, ASCII 9->37 dropped 63 Detected unpacking (changes PE section rights) 9->63 65 Detected unpacking (overwrites its own PE header) 9->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 9->67 69 3 other signatures 9->69 13 ArCzS0XrQP.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 13->77 79 Maps a DLL or memory area into another process 13->79 81 Sample uses process hollowing technique 13->81 83 Queues an APC in another process (thread injection) 13->83 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 45 www.adgelin.com 20->45 47 www.adgelin.com 45.199.116.85, 49783, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 20->47 49 4 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 61 Performs DNS queries to domains with low reputation 20->61 28 msdt.exe 20->28         started        signatures11 process12 signatures13 71 Modifies the context of a thread in another process (thread injection) 28->71 73 Maps a DLL or memory area into another process 28->73 75 Tries to detect virtualization through RDTSC time measurements 28->75
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1/
Threat name:
ByteCode-MSIL.Trojan.Swotter
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Status:
Malicious
First seen:
2022-06-10 10:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ybdqr5qez2rklff6ouesf3vkdanmvxxw3rdgtxwd3vfqpzajcsqq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:orte loader rat
Link:
https://tria.ge/reports/220610-mpdmgaeed7/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
Link:
https://www.unpac.me/results/963e4aeb-6f4d-4886-ae82-c9ba3120ef14/
SH256 hash:
875e33691b70128973acd63c149b41a0f71a2b4069767f7e224f468f8127e067
MD5 hash:
2eaf15651b0a91b93cd811da61e30ab9
SHA1 hash:
4f2fec4b2508dc325d942c8817528a49ac92b3f1
Link:
https://www.unpac.me/results/963e4aeb-6f4d-4886-ae82-c9ba3120ef14/
SH256 hash:
fea7ff713c3d5efbdc05e4de829cb48f5c933b284a12471a8ddc6b17a36a44c5
MD5 hash:
7accd4043a0f9224abba942a006324ac
SHA1 hash:
b833e6b1b63b9509d701194f3a97117f756cadb4
Link:
https://www.unpac.me/results/963e4aeb-6f4d-4886-ae82-c9ba3120ef14/
SH256 hash:
425290f5bab40f29549ad09434e1210df7c61ff5de2da3a65e2b43edc7a867b1
MD5 hash:
690c78ee26650a65dbc93d3fa23a59f3
SHA1 hash:
7f44b05190c723497c342424fa7872d534abc8ba
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/963e4aeb-6f4d-4886-ae82-c9ba3120ef14/
Parent samples :
71ed38b5c950b506cced8e7d12d773bb1fa20daadf3570a98577054749caadfe
a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd
a1726f588e0d03a3522f60d177448bfd7a5355133cfd725be8198c1cca68b51c
c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1
SH256 hash:
c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1
MD5 hash:
56234600028fe5cc01fb16ee4280735e
SHA1 hash:
6bd3bfe0a52c736c416959185041af2f5a112223
Link:
https://www.unpac.me/results/963e4aeb-6f4d-4886-ae82-c9ba3120ef14/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c04708f604ce/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/c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1

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.

Web download

Formbook

Executable exe c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2232771/
Cape
Cape
https://www.capesandbox.com/analysis/278642/

Comments


Avatar
zbet commented on 2022-06-10 10:37:30 UTC

url : hxxp://3.139.86.134/msExplorer/csrss.exe