MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d
SHA3-384 hash: 3d22ec896e5ed55d2776aebc4c4b6a36e5346dc8066758176a9bbb6bc1428e7f042626a9d31ba2eca2a2b91f26dee36e
SHA1 hash: 26a40e556b826052196a2bcea93d1962ea1a6eaf
MD5 hash: 0cc094b93ea3fe9dcf1897e41d8ef875
humanhash: mobile-wolfram-kitten-bakerloo
File name:MT103_098765456.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:902'144 bytes
First seen:2021-08-11 12:25:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Y94in3qGaNHEyC9/oR9gy5ZHK7zWQDLDhjiKznNWOoyw1rFYi/tOfeAD7GK:8Pp9AR95SlLDxn0ORw1xYSt7e7GK
Threatray 7'589 similar samples on MalwareBazaar
TLSH T1E71501473380A763C4169B3B9CA9639246B9EED4CFA1D9A93C86743E1EF6741CD02713
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/178255/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.2343.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/8d7c1e9a-4ac4-4d50-9620-5fd99c79a81e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830927
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463360 Sample: MT103_098765456.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 33 www.rentyoursubmarine.com 2->33 35 www.nwaymyatthu-mm.com 2->35 37 nwaymyatthu-mm.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 MT103_098765456.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\MT103_098765456.exe.log, ASCII 11->31 dropped 61 Writes to foreign memory regions 11->61 63 Injects a PE file into a foreign processes 11->63 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected 73 Tries to detect virtualization through RDTSC time measurements 18->73 process9 dnsIp10 39 www.josiemaxwrites.com 199.34.228.67, 49741, 80 WEEBLYUS United States 20->39 41 herr-nourimann.com 81.169.145.86, 49744, 80 STRATOSTRATOAGDE Germany 20->41 43 9 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2021-08-10 09:21:28 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qelulyczejnj2la6hiudykevlcptmmzkl2imns7dijnyigz3ajgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
087cdc5835abffd34e9db443da4632ba71f58573e0d1d140aabadf6f773e8df4
Formbook
0ef48a153f8c6bb66544df3a1f3c66970439825dfc1eb61f9cb4f9a18adedbc2
Formbook
15ba7bf101ed22090a8ee76d9a2c306a516a99f1c5045f1846fb039b47497148
Formbook
3760fb75e6479b6ecf20f6d5a4ddda0b6a5c7c0e907c43b92a0e1712461c6b58
Formbook
68ce8d90669037ccbd6aa1f309b397fc0c0126eaf250329ec5e4974fda2d7b11
Formbook
8cd1a5c6360cc1c0e513d4cc39f649bcb33b61c47c4b498b992ea8e9a41a48cd
Formbook
9663361e2770f5ec9528e179cefc03240891ea2eae54f1d55b75765b1d8aa4ef
Formbook
ba49de17d6fd296078762362ffce28e37dc3896e9118566eb3c541e197a12d33
Formbook
c2cb078eb2c403c28a5badd375c953897492602259a52b16afaa635126344a10
Formbook
+ 7'579 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:q4kr loader rat suricata
Link:
https://tria.ge/reports/210811-re44d5d9fs/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.bodymoisturizer.online/q4kr/
Unpacked files
SH256 hash:
4d599c7b6cc42fd526db3727ff34f610be905871c804ab58aaff04aa1c68e7a5
MD5 hash:
e5a8516251fe63cbc6396c42fbc5dff0
SHA1 hash:
bd31c083310b9cab08c3af0db7cd47cf738eb3c6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d5c6aaa-f3e6-4dd8-af67-ccbdbe7cd380/
Parent samples :
0ef48a153f8c6bb66544df3a1f3c66970439825dfc1eb61f9cb4f9a18adedbc2
4847c8f558aa540f7f018eae22699e59af2dbfee608b7076283ed79de65d8fcc
9a280dbe747fd0138866ce3eed8cd95ab86115e7d779d85f160d8350785a2d9e
5a5cabaaf342c66e713bb09ae85634323f31ff6fd519e63aa9361e2770df2f18
90dd1c91600d48f948275aca4c3c95b9230ec3e0d2d2446b76f5f42ad2ee2d75
3760fb75e6479b6ecf20f6d5a4ddda0b6a5c7c0e907c43b92a0e1712461c6b58
68ce8d90669037ccbd6aa1f309b397fc0c0126eaf250329ec5e4974fda2d7b11
57ecabd6b2969a1414a3ed8b756dbfec03f6773b61c988d3e434c05f3023e590
6e5f1f715e6438ab2f9ab7b980a5e25d31bd26575e04a83fdf83593014902335
8cd1a5c6360cc1c0e513d4cc39f649bcb33b61c47c4b498b992ea8e9a41a48cd
ba49de17d6fd296078762362ffce28e37dc3896e9118566eb3c541e197a12d33
75f51a01e4c2c9662dfbb21c0094b8cbef4823f6919c816c04efef2e25678d76
44810a90a17a6d1286bdd1862a82c7062371ccece40cbd8e22dce7028e011825
fabf4628b3813230d81f4c1a4991a0fe21550362177dd7b451e80c6a839b6814
f27c4430f40881602df511b48cd0704e0c4050a0ef1d8f0b920f8b7d0da77b96
ce9fb89fadc9b872b78b1eb08bf0e160f08c00acf7de61a490de8d62a5d770de
04657288f9e931379d2c526330b23310c8bb26d65a209a2ebca5fb089b91efe3
956a61d076869b7a3305681e81ed4eccaac61656a852e7d0102ad5d6d6781583
c2cb078eb2c403c28a5badd375c953897492602259a52b16afaa635126344a10
6c282c90bf6e72212f3c2038601a503d9e9e36bb417687fc8b16362fe854fa3d
9663361e2770f5ec9528e179cefc03240891ea2eae54f1d55b75765b1d8aa4ef
5a02dd58da8c8f90dda5f85e41c201f1d2c8c5c7006d7073b636cc2d2211cc72
cc4553246ad672baadc2e92ecebda07692e134ffc1a59a9712f0e040816cb465
15ba7bf101ed22090a8ee76d9a2c306a516a99f1c5045f1846fb039b47497148
811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d
634f51d38eaeb5f38bf45b5dd8b09ef1413bdec23fd2223c0bc9e4767ee81158
0ac18a14f9f6bc187d707c10800aca93298b7ca07bdf43994875ff8d93f6d01b
c85eab78147f680f396925b005564604d84bcff97fec4bfb27e13071e791d985
c8eaf61ec06ca57d311161006408fa0bfbe4d22e89c07c5b6b3ccc029c26ae69
SH256 hash:
45c4de6f90f2a4eb13c83d1b4ed542cdc40163bbbbd5953e0d805de43f20a9ca
MD5 hash:
2af988d4a61c4fa094b9495de527113a
SHA1 hash:
8f9a7d02cbb9022e72277f314c8a519750f71765
Link:
https://www.unpac.me/results/9d5c6aaa-f3e6-4dd8-af67-ccbdbe7cd380/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/9d5c6aaa-f3e6-4dd8-af67-ccbdbe7cd380/
SH256 hash:
811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d
MD5 hash:
0cc094b93ea3fe9dcf1897e41d8ef875
SHA1 hash:
26a40e556b826052196a2bcea93d1962ea1a6eaf
Link:
https://www.unpac.me/results/9d5c6aaa-f3e6-4dd8-af67-ccbdbe7cd380/
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/811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d

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: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 811745e059225a9d2c1e3a283c2895589f36332a5e90c6cbe3425b841b3b024d

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178255/

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