MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6. 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: b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6
SHA3-384 hash: 149da1f079b402a7a61cf424194300ff1b22667640499ca7aec1ef5a47859f9d2f3d4c1408c5e6523e7d5a1f88284a1a
SHA1 hash: c94d86c14a74790b53448ef8a436f023fdce34ba
MD5 hash: 1e9f6c3d6aa786688ae89f6449dcbe5c
humanhash: ohio-jersey-winter-jig
File name:1e9f6c3d6aa786688ae89f6449dcbe5c
Download: download sample
Signature Formbook
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File size:647'680 bytes
First seen:2022-11-01 09:41:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:QwhuJKQvb9NI7skCQkGTR/5ClMP5HPZfzps7:DuJB9NQsTjq/5ClMxBFs7
TLSH T121D423432122B924FC2D07F965D557602BF42DAEF421CA2F18E439EE28B9356DF06973
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
505
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
ORDER SPECIFICATION.xlsx
Verdict:
Malicious activity
Analysis date:
2022-11-01 08:37:31 UTC
Tags:
encrypted opendir trojan exploit cve-2017-11882 loader formbook
Link:
https://app.any.run/tasks/d7d8c1b6-fd6c-4d74-9041-801915838721

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/326774/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.26189.15833.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6360e9ec791bb7e48afdf8b7/reports/90c8cbc1-ba83-4550-9a4b-f837cfaaa1a1/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/99a0ac2e-d78b-47cf-8d19-9d98e70c40a0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102424
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in 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: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735085 Sample: yTX4a1SUqF.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 5 other signatures 2->60 8 yTX4a1SUqF.exe 7 2->8         started        12 gBuDsJeJfPRHdV.exe 5 2->12         started        process3 file4 40 C:\Users\user\AppData\...\gBuDsJeJfPRHdV.exe, PE32 8->40 dropped 42 C:\...\gBuDsJeJfPRHdV.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpAF60.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...\yTX4a1SUqF.exe.log, ASCII 8->46 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Writes to foreign memory regions 8->72 74 Allocates memory in foreign processes 8->74 76 Adds a directory exclusion to Windows Defender 8->76 14 MSBuild.exe 8->14         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        78 Injects a PE file into a foreign processes 12->78 21 MSBuild.exe 12->21         started        23 schtasks.exe 1 12->23         started        signatures5 process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 90 Queues an APC in another process (thread injection) 14->90 25 explorer.exe 14->25 injected 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 dnsIp9 48 www.6vodyq97w2qtgac.tokyo 139.162.91.66, 49691, 49692, 49693 LINODE-APLinodeLLCUS Netherlands 25->48 50 www.radpowell.com 217.19.248.132, 49688, 49689, 49690 LEVEL3US United Kingdom 25->50 52 6 other IPs or domains 25->52 80 System process connects to network (likely due to code injection or exploit) 25->80 82 Uses netsh to modify the Windows network and firewall settings 25->82 35 netsh.exe 13 25->35         started        38 help.exe 25->38         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file / registry access) 35->62 64 Tries to harvest and steal browser information (history, passwords, etc) 35->64 66 Modifies the context of a thread in another process (thread injection) 35->66 68 Maps a DLL or memory area into another process 35->68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6/
Threat name:
ByteCode-MSIL.Trojan.REMLoader
Create hunting rule
Status:
Malicious
First seen:
2022-11-01 09:42:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ws7re7t3ftshnnpiwc7zaio7kwb3mcverveygkzdzyltd4yx4ota._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:fswe loader rat spyware stealer trojan
Link:
https://tria.ge/reports/221101-lpbx7sbcfq/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4f91132-e5cb-4b11-93d3-d6e3d65425e4
Unpacked files
SH256 hash:
c3937ba70b301cc20804d29e398d66a7422dd3281a9b3db546fca844cd644198
MD5 hash:
757d4e0575ec47cb891652db1c2fc995
SHA1 hash:
24796d1678fd79dc1fa98732e986363d97a8f7d5
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
95afbb316754695cb4b880a92afbe651825c92e8438999008ca06343398c4af7
MD5 hash:
68326924a639181a999d53a2ef7ccbe6
SHA1 hash:
004ca2ccb069b4cc553f2231f179076919733982
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
3cf26141917aefe42802e75bf825a9bd71aa17334e155af4793ab178b5f1d813
MD5 hash:
2473c9f12d8072b754a78c14ccbcef57
SHA1 hash:
9009f4d637d4e20ead3780be8959e14abfebea8f
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
6c551aee057064a551ecd7c8226f05348567a89e11998df4ae9a15397b5e8753
MD5 hash:
0b908cd15860b0fa049d842aeeb4d0d2
SHA1 hash:
6925b4441e2ec926cbaf8348274d4c3f41379962
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
SH256 hash:
b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6
MD5 hash:
1e9f6c3d6aa786688ae89f6449dcbe5c
SHA1 hash:
c94d86c14a74790b53448ef8a436f023fdce34ba
Link:
https://www.unpac.me/results/9bba6154-db4d-4f01-a370-6561ed5132bf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4bf127e7b2c/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/b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6

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
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 b4bf127e7b2ce476b5e8b0bf9021df5583b60aa48d49832b23ce1731f317e3a6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2393467/
Cape
Cape
https://www.capesandbox.com/analysis/326774/

Comments


Avatar
zbet commented on 2022-11-01 09:41:39 UTC

url : hxxp://107.172.44.174/320/vbc.exe