MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad
SHA3-384 hash: 4b1f2cce3bc25ac903580fc963d5bc5e4fcb09d46d1d2ec660a0bb01a6cf5287509869997d9fa77aeb1133ffbf2eeb8b
SHA1 hash: 9fe2e1dd1051611faa64c2e568eabd5f6a41e440
MD5 hash: 9054fd17cfcdb90d83c779a15c9759f8
humanhash: hydrogen-sodium-montana-nuts
File name:1120231805kar-v23.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:242'623 bytes
First seen:2023-05-25 08:34:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 3072:XfY/TU9fE9PEtuOb9B0tuHduCc/mGCQIfkLD2wFkyh/WsD5cy/rVD8d8aG8ra/dI:PYa6O9BUh/mBfgBVXTSdoV+ccK8d9
Threatray 3'372 similar samples on MalwareBazaar
TLSH T1D034120693E4C2B7C4A306306E7A0FFF1BB1982698F4560B53748B6A7E672D2DD0C794
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1120231805kar-v23.exe
Verdict:
Malicious activity
Analysis date:
2023-05-25 08:50:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e6bf5cd-8477-40c8-89c2-3389ba4cdbed

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/391460/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87818/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/646f1db79621774aa98eeb76/reports/3e7a4ec7-1862-459d-a05c-fc40fa944ac6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad
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/7a0d9074-ea94-47d1-97e0-b6cf6117ee02
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1242379
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875391 Sample: 1120231805kar-v23.exe Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 10 1120231805kar-v23.exe 19 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\qdsvpr.dll, PE32 10->29 dropped 57 Detected unpacking (changes PE section rights) 10->57 59 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->59 61 Maps a DLL or memory area into another process 10->61 63 Tries to detect virtualization through RDTSC time measurements 10->63 14 1120231805kar-v23.exe 10->14         started        signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 31 www.special-week.net 103.193.186.42, 80 HURRICANEUS Hong Kong 17->31 33 altviare.com 69.57.162.22, 49708, 80 FORTRESSITXUS United States 17->33 35 3 other IPs or domains 17->35 47 System process connects to network (likely due to code injection or exploit) 17->47 49 Uses netstat to query active network connections and open ports 17->49 21 NETSTAT.EXE 12 17->21         started        signatures10 process11 dnsIp12 37 www.special-week.net 21->37 51 Modifies the context of a thread in another process (thread injection) 21->51 53 Maps a DLL or memory area into another process 21->53 55 Tries to detect virtualization through RDTSC time measurements 21->55 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-18 09:52:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gzg5f7fcjxiaut4uxwahgu6azo3vo34dh33via3eqc54e54lnswq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
Formbook
5b5f4c31207ebd9feb2cc1c2917f09bb82a820c5af6b2558bce95152bf41d26d
Formbook
673d8cda7f0d526c493d98e45e1f517bd9b8ddf422054f481e650e95bff3a922
Formbook
80fd67b02253b03398a151f7c5392adfb32ad43a619a18c3dd8e2e8a876e9139
Formbook
8a1818f6e89fe3a6a0cae314467eb120d9e3f95ad6e17099c4f3f5e18d039929
Formbook
8d108254a8f52c795d01e4fa87ac70437873d1073e38c179716e5fa40816b82f
Formbook
b56c865c1aff92c4024b9f6172d349bf2355025a1d8baa74f8d33e930e86c2cf
Formbook
d5d72f46517a26b05a5427b0ab8c8264f88e0428cfaeff06f34e7a69ab3c0d3e
Formbook
e3d4fccd07d41f7c76da4a4602079ac0883174b59ebb2f8b4c497e703b9a46c9
Formbook
+ 3'362 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mr04 rat spyware stealer trojan
Link:
https://tria.ge/reports/230525-kg1e6ahd4t/
Behaviour
Gathers network information
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
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
6169b21dc76e4e511fef5bd8cb8ecae8e3e18c46b94e898cf9ca1bc5f477cb5f
MD5 hash:
dfc6c49d8be8c2648b4a53d7925fe5d1
SHA1 hash:
e49c310fd7c0c9590d65127380360fa1151004dd
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3d9eb9af-5d57-405c-82d5-bf9cf63f1a56/
Parent samples :
11de93e0a087c2aa575e9241184df99ddff733c7992611fda17fb6042bd8a105
673d8cda7f0d526c493d98e45e1f517bd9b8ddf422054f481e650e95bff3a922
8a1818f6e89fe3a6a0cae314467eb120d9e3f95ad6e17099c4f3f5e18d039929
e3d4fccd07d41f7c76da4a4602079ac0883174b59ebb2f8b4c497e703b9a46c9
364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad
SH256 hash:
5456de0073c0007caeeae9877559eb9119d683563ef5dd94ad4a760f3533add8
MD5 hash:
0f3ed5d09f39a97dda32e893ce1c2a13
SHA1 hash:
657a95cf40d98fdc02defc9a6ad45f5bb5985f69
Link:
https://www.unpac.me/results/3d9eb9af-5d57-405c-82d5-bf9cf63f1a56/
SH256 hash:
364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad
MD5 hash:
9054fd17cfcdb90d83c779a15c9759f8
SHA1 hash:
9fe2e1dd1051611faa64c2e568eabd5f6a41e440
Link:
https://www.unpac.me/results/3d9eb9af-5d57-405c-82d5-bf9cf63f1a56/
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 364dd2fca24dd00a4f94bd807353c0cbb7576f833ef754036480bbc2778b6cad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/391460/

Comments