MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5
SHA3-384 hash: e3e07f2e27d4d8df5d65ccce2ad2643878271f1d23ac2b1383444a78778e9086210c84af108fd4bd353d804cde332a33
SHA1 hash: d5df70969f6be59018353e73e413ed1561d69109
MD5 hash: 8d3988ec8b349cad6561871af94527a4
humanhash: delta-carbon-snake-washington
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:1'207'613 bytes
First seen:2022-11-17 15:51:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:uAOcZwk4VFJH2JI7PPoz7Ok+IjLzCXPQMTjRn0h:U32JI7PADrCXYMT90h
Threatray 18'439 similar samples on MalwareBazaar
TLSH T1C8451242F7D1C9B2D8321A329D3AB6546D383C309E68DA0FA3E47D5DEB715A01135BB2
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2b2b2b2b232b230 (3 x Formbook)
Reporter jstrosch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-17 15:54:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f82c4577-ba5c-4e7a-a5fd-f0202cba2e98

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/335435/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching the process to change network settings
DNS request
Sending an HTTP GET request
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/637658a46fda73cab64e398c/reports/f66411a9-c086-4634-b0c8-20cb6976e95a/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c7c61a01-f391-4064-84b5-0f5dee831b13
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1115887
Signature
Antivirus detection for dropped file
Found API chain indicative of sandbox detection
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748595 Sample: file.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 80 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected AntiVM autoit script 2->30 9 file.exe 3 33 2->9         started        process3 file4 24 C:\Users\user\AppData\Local\...\nrahl.exe, PE32 9->24 dropped 12 wscript.exe 1 9->12         started        process5 process6 14 nrahl.exe 1 3 12->14         started        file7 26 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 14->26 dropped 32 Antivirus detection for dropped file 14->32 34 Multi AV Scanner detection for dropped file 14->34 36 Found API chain indicative of sandbox detection 14->36 38 Writes to foreign memory regions 14->38 18 RegSvcs.exe 14->18         started        20 RegSvcs.exe 14->20         started        signatures8 process9 process10 22 WerFault.exe 18->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 14:44:46 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lwmxb6i3dg24qgypvcgvzohefzd6fkdmtfy67lps2rpdo6ykpk2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
12e754278ec242a825fdc544047dbb57bdfbccde6323d588cff91503c7a5700b
Formbook
329bb5f9474791002d8542ca8043544387e0f832b8253fbfa564c57a3563dea8
Formbook
406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a
Formbook
5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5
Formbook
6368884fc56f3c1b926949574690a9f0842632406a7d91d821971d04b4245cd8
Formbook
6d62d493cae6daf08828e14fc36c0dba18e7eb7f75ca390ec5d21ae0b3d2c9a3
Formbook
af83e815aabba8ca4829ea710a756a3e948fb14e3b6169838e7bba90f1034226
Formbook
d3d3c216728f58044cae30180c84e75db170ea200860ae9415004f3a0f167ec3
Formbook
+ 18'429 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ds0f persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221117-ta2t3sag9v/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a42e751b-0393-41cd-af2b-8a2ac6dc631b
Unpacked files
SH256 hash:
ac1f43425d8dea1e8f7b9c73d6fe6c49e0dbd44d1a2b8c0a287a80e46dda13ce
MD5 hash:
f31433be1a6e5ec46896613c187e1646
SHA1 hash:
4430c33587aff23b050178f39be036b3b13b29be
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d9d4f808-af62-4b3d-94c2-86fe16bf109b/
Parent samples :
406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a
40bd6b05cd5a62f1aeb24faec253f720c88a020eaba61b2ce0613e8a83347abe
6368884fc56f3c1b926949574690a9f0842632406a7d91d821971d04b4245cd8
d3d3c216728f58044cae30180c84e75db170ea200860ae9415004f3a0f167ec3
12e754278ec242a825fdc544047dbb57bdfbccde6323d588cff91503c7a5700b
5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5
194832b67aaa283841ac0a8e901eaa8f9f46c15962af65f5b333ebbcf678a44d
SH256 hash:
791355e6298e6443b7375cc21d884dc3fd4033e6d41ac9a3d944e748f4a1c758
MD5 hash:
cce4bd6df5b94dbe2d7f55aea7b46e22
SHA1 hash:
6f554ceaf5e7d9378615b760af23d6c931df7c3b
Link:
https://www.unpac.me/results/d9d4f808-af62-4b3d-94c2-86fe16bf109b/
SH256 hash:
2f1fcde5dc17f8f8bc1176856c6b86afe652413c66d8bef01687cf52431e123d
MD5 hash:
e367526ae662b08c2533a98a2dd1f113
SHA1 hash:
4032b64d24778e60aeca18bbc5ff7b6d14a7986b
Link:
https://www.unpac.me/results/d9d4f808-af62-4b3d-94c2-86fe16bf109b/
SH256 hash:
5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5
MD5 hash:
8d3988ec8b349cad6561871af94527a4
SHA1 hash:
d5df70969f6be59018353e73e413ed1561d69109
Link:
https://www.unpac.me/results/d9d4f808-af62-4b3d-94c2-86fe16bf109b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d9970f91b19/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 5d9970f91b19b5c81b0fa88d5cb8e42e47e2a86c9971efadf2d45e377b0a7ab5

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/335435/

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