MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809
SHA3-384 hash: 882380aa96dbd10181a811ac592c49d207d9d905d978d48778db65ed52b225aa093df64252c1a95595054d0768248bb0
SHA1 hash: 0ed13435e7319619053a75d6303bbee19422de2e
MD5 hash: b650c785537ad966290b270adfe56611
humanhash: table-blossom-helium-item
File name:wininit(1).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:878'592 bytes
First seen:2021-07-12 06:07:44 UTC
Last seen:2021-07-12 06:57:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:RQ163eJ73KXjs08OWhPOSrlY9TT801UgBcD5:q73qI0LSplY9E01UgBcl
Threatray 6'329 similar samples on MalwareBazaar
TLSH T1ED1506E913BD9046F13AEBF06B1BA6474E5EB16D512D73090FB186C63822D70BB76072
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SPAM.7z
Verdict:
Malicious activity
Analysis date:
2021-07-12 06:03:00 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/1410cd87-3a07-41c5-a4f8-4e26792230b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/170895/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.ESZ.genEldorado.20887.10623.UNOFFICIAL
Create hunting rule

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/9ec2717c-e5a1-4ec9-bf77-494ef6201573
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/814538
Signature
C2 URLs / IPs found in malware configuration
Found 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)
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: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 446946 Sample: wininit(1).exe Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM3 2->42 44 7 other signatures 2->44 9 wininit(1).exe 3 2->9         started        process3 file4 30 C:\Users\user\AppData\...\wininit(1).exe.log, ASCII 9->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 9->54 56 Injects a PE file into a foreign processes 9->56 13 wininit(1).exe 9->13         started        16 wininit(1).exe 9->16         started        18 wininit(1).exe 9->18         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 20 rundll32.exe 13->20         started        23 explorer.exe 13->23 injected process8 dnsIp9 46 Modifies the context of a thread in another process (thread injection) 20->46 48 Maps a DLL or memory area into another process 20->48 50 Tries to detect virtualization through RDTSC time measurements 20->50 26 cmd.exe 1 20->26         started        32 www.dirham.world 103.139.0.9, 49707, 80 WEST263GO-HKWest263InternationalLimitedHK China 23->32 34 www.getvocall.com 35.209.26.148, 49706, 80 GOOGLE-2US United States 23->34 36 6 other IPs or domains 23->36 52 System process connects to network (likely due to code injection or exploit) 23->52 signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2021-07-12 06:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00e599fadd6b7cd568751d9741ad77f85a7c9fdea785deed6898f348efd794fd
Formbook
28411897054cb89228b021537e497b049af78d6f8fb373957de27c7b345c6200
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
786e182e324b83c59ad1b095f7d520598a1b72cfce239b4274d462c7ba45bf18
Formbook
80b056a8c2fee08fd3361a8a271dea407425ca335275d49f81a1c50a06d9ed98
Formbook
ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
e091222f766082c33c0606405115206cb2d915929dfe2ac899b1945d6442c512
Formbook
e2ee9ae1c0a60cde24b23313927a75e890b3cba57115ebcc9ac886e4eae48945
Formbook
e6240df97fbd4caf6de8daf69465e70b2eeba604738b9b2ae6a978494a614dec
Formbook
+ 6'319 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210712-tne5pljdt6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.tjbc-bearing.com/u6bi/
Unpacked files
SH256 hash:
727f5abe9230827d1c8c491035f3dca18dea093b244b1308fef89149de77f162
MD5 hash:
65d0c6b601a54b68161c48388136a71e
SHA1 hash:
b076b337c1da8efdb91e87260f1b9f7f76c364fe
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/353333a9-2736-4578-9973-d3f3142421e4/
Parent samples :
e2ee9ae1c0a60cde24b23313927a75e890b3cba57115ebcc9ac886e4eae48945
e6240df97fbd4caf6de8daf69465e70b2eeba604738b9b2ae6a978494a614dec
28411897054cb89228b021537e497b049af78d6f8fb373957de27c7b345c6200
de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809
c24bd4a30df425c06d79c2399fe3b66a2ad79de5702b5fde7190c12e4765974b
306197e367d32ebeb65e18cd9607f58268f6e4751de77ae1cf8f5270e660c1f6
e7fa638aceedeb8dbe7baeb928d639a6a1498a6fb2385f06c9ce40e01e7b9e16
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
Link:
https://www.unpac.me/results/353333a9-2736-4578-9973-d3f3142421e4/
SH256 hash:
95da00d505c9e1203a2bca4cb2f4eea392f2a221e24f4573f7a6bff27b8cf3ef
MD5 hash:
c2a67874e8e91b0c48bcc8140ca4d2f6
SHA1 hash:
503b0c84291a01be0abc8a41f9a430cbd91dee40
Link:
https://www.unpac.me/results/353333a9-2736-4578-9973-d3f3142421e4/
SH256 hash:
de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809
MD5 hash:
b650c785537ad966290b270adfe56611
SHA1 hash:
0ed13435e7319619053a75d6303bbee19422de2e
Link:
https://www.unpac.me/results/353333a9-2736-4578-9973-d3f3142421e4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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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.

Web download

Formbook

Executable exe de49b28cd6dd83f9d44c2f649ad7850cff63ef6a9b3890766f164e7472085809

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1446837/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/170895/

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