MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa. 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 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa
SHA3-384 hash: 8091ec156755968b2f0cc1d1a3f6f83dfe32c30129c2d27424e0fc6c15704fdc0c5a8782f7332fe29ec0d4e7daed4d0b
SHA1 hash: 993a8100fbc04bef86997c6bace3084da54eed07
MD5 hash: a1581e4fd0ba55eaa34cbf6bb1ce2970
humanhash: whiskey-freddie-carolina-vermont
File name:a1581e4fd0ba55eaa34cbf6bb1ce2970
Download: download sample
Signature Formbook
Create hunting rule
File size:300'913 bytes
First seen:2022-05-01 08:23:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:gNeZwcgUR2d+Y/fP9TtfxPUklssrZ7Luj:gNDpdffP9JJPUklsE7Sj
Threatray 15'642 similar samples on MalwareBazaar
TLSH T14354F1D09FF0C0EBD9220B7106366A354BA2AF271574910B6334BEB979367C3951FB52
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 12329272e9cc3649 (2 x RemcosRAT, 1 x Formbook, 1 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
440
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SE-OF-AP-46R2-R-2022 ( DMA 35-Elite Scientific Company).xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-01 07:21:56 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/900195e0-5bad-408a-84ff-1e7fd45dc86e

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/268078/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Win.Malware.Nymeria-7168557-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
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
Gathering data
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/4f352a8d-194b-4aeb-9a2c-046596915881
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/986079
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 618571 Sample: EPSX41uLzl Startdate: 01/05/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 10 EPSX41uLzl.exe 18 2->10         started        process3 file4 33 C:\Users\user\AppData\Local\...\mndzszb.exe, PE32 10->33 dropped 13 mndzszb.exe 1 2 10->13         started        process5 file6 35 C:\Users\user\AppData\...\vtijbuhetlimv.exe, PE32 13->35 dropped 63 Multi AV Scanner detection for dropped file 13->63 65 Machine Learning detection for dropped file 13->65 67 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->67 69 2 other signatures 13->69 17 mndzszb.exe 13->17         started        signatures7 process8 signatures9 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process10 process11 22 systray.exe 20->22         started        25 vtijbuhetlimv.exe 20->25         started        27 vtijbuhetlimv.exe 20->27         started        signatures12 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 29 explorer.exe 144 22->29         started        31 explorer.exe 108 22->31         started        59 Multi AV Scanner detection for dropped file 25->59 61 Machine Learning detection for dropped file 25->61 process13
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-04-27 07:17:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
28 of 42 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtkx7s3ymgc3fsggvty7tuayfudmvlri7rutbtws7tk2tsa2s35a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
232413f73e7b46e00ccf36baf862343989068f3d7271a8c6e037d43b6a497d64
Formbook
2e84d64eef0d8e78d17e8d286eeff95f97abe0048a66175e5e05d1fc31b0c5d4
Formbook
3f6930b2c1bbac4643000843ecb0b885ef0f5ee3e5c11bb538366232d013b8e8
Formbook
8f4a5af16c851db0d2a640ae0c1d6294d603d8995bf7666424388daa0c910fbf
Formbook
950352c91affd434f21c97b82e49e2f55642eee65540646cca5b45384257f026
Formbook
c40c041cae1a27fb23c376ee2274b24ff8d003dde416f60204737395a732cff2
Formbook
e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0
Formbook
+ 15'632 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader persistence rat suricata
Link:
https://tria.ge/reports/220501-kapebahddr/
Behaviour
Enumerates system info in registry
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
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
666d6ca95ecc1a4d71d423bc9742c015ae81f348d35bcf7ae042c6e0eb39f8ce
MD5 hash:
c9226e8beef2fc8becb8d610e9fe0efe
SHA1 hash:
03824c3e6d44a1ef87eba8eba6d30ebf9d74b3a1
Link:
https://www.unpac.me/results/5e99f40b-1f73-485b-af32-ff81d723b125/
SH256 hash:
c0584209ccf207a31200532e10f443f643ec0821b74515b71e0f81a2425ec855
MD5 hash:
f0ca287104b8406c6a86080ba08d87cc
SHA1 hash:
c1bdfa8eae65865546346f1c922667a4f1a3c4c8
Link:
https://www.unpac.me/results/5e99f40b-1f73-485b-af32-ff81d723b125/
SH256 hash:
2dde4b043ba690c6a7e1aab0518df6f229f2441b3ca2cfd2c662b5523e5782b0
MD5 hash:
31cdf11ba11ff508633f5f5440ad4a45
SHA1 hash:
1f1195b82cead3e8659438fcb781886db958fa9d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5e99f40b-1f73-485b-af32-ff81d723b125/
Parent samples :
1f74a34a965bb67c02e8f7a733d7d5f98b1b88e11a7816c29934a6a073e662f2
3fbed13bf271b55a9eca7fe2e7ec051fb9e4b02ace3dce84468b1acb57962fb4
69cdb8718955325126a19a236de13ef83b27941b518dd43987d8fbed3ffe9d30
e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0
232413f73e7b46e00ccf36baf862343989068f3d7271a8c6e037d43b6a497d64
2e84d64eef0d8e78d17e8d286eeff95f97abe0048a66175e5e05d1fc31b0c5d4
61545f6e85bfb0ebb6c65a52d511bc09f9eb8f17f41f303fc4028bfbc6a333dd
edadbe7cf0557fdede01500da1d161ceeac3fadd16760f325da7938d25cf2b6e
bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa
f10110817fa77d6bea276c3d4ee43729d9889e760fa6ce503664613a1d5526da
ef5e4f410d3cdeae6dce996c13c836cac3118327d53f364a547eaa12d4f2c2e7
SH256 hash:
bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa
MD5 hash:
a1581e4fd0ba55eaa34cbf6bb1ce2970
SHA1 hash:
993a8100fbc04bef86997c6bace3084da54eed07
Link:
https://www.unpac.me/results/5e99f40b-1f73-485b-af32-ff81d723b125/
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/bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa

File information

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

Web download

Formbook

Executable exe bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2173225/
Cape
Cape
https://www.capesandbox.com/analysis/268078/

Comments


Avatar
zbet commented on 2022-05-01 08:23:23 UTC

url : hxxp://198.12.110.173/47/vbc.exe