MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
SHA3-384 hash: bf08db5ca72eaacde7c2487119358c7d8588cf686217d31ef14ab1a478af3633e4cb8c82dcca73d6d1e5ecb3a702d044
SHA1 hash: e887b05b182aecfcc0f093c8ae55461804ff5d50
MD5 hash: 9f8c183dc4c71a99db9e04aa0a8c28e7
humanhash: item-arizona-kansas-mexico
File name:RECEIPT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:303'356 bytes
First seen:2023-02-10 06:22:16 UTC
Last seen:2023-02-10 07:29:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:DYa6EML4yxYSGPbEvY9yabktJyU5H9SbiVv5FdMJANahsAOmx1baBd4c:DYaItaFDEggKkJ8b0vPmJANaBzx1ba0c
TLSH T1A6542364A3B1C5FBF4A34BF11C3383D27B95E42A003896176B606EAD7E99241905F3F6
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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 06:23:46 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/5bd9e6b0-007d-4ef0-a673-0baacccbc67d

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/363211/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65427838.12859.7516.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Reading critical registry keys
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
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/67501/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e5e2c73e913789a6f9d337/reports/d826e26c-ca1c-48da-ab01-4c97d8633700/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/39124b25-06d2-407f-a9f5-6a0bc463b434
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1170899
Signature
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 803689 Sample: RECEIPT.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 11 RECEIPT.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\ptytzpchp.exe, PE32 11->31 dropped 14 ptytzpchp.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 ptytzpchp.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 33 bartoncourt.org.uk 149.255.58.12, 49698, 80 AWARESOFTGB United Kingdom 20->33 35 www.bakkenmetkinderen.com 185.104.29.32, 49697, 80 AS-ZXCSNL Netherlands 20->35 37 2 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 help.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 12:14:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlephe5ajnmgttljo4pbxmoju24krfjdty6odctcobv64thftuvq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ke03 rat spyware stealer trojan
Link:
https://tria.ge/reports/230210-g5f5mseb2y/
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
96dfe2573f67812999429737db319271ad327c4bb173fbe7051037b4e3d7b04c
MD5 hash:
f32f083f7630161174df3af81ad783fc
SHA1 hash:
a0e2c3baa60af70675c0fe3c7e04b90de521e30f
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/44ee89e4-10ea-4614-be0f-eced5a7cfac7/
Parent samples :
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
9ebd42be2d0f505ae863efdf099bd29f7058ec11077db24fb97c5683eb8df9fb
95065b804be96515ee5325880deb0126a9260f55589d506df803bed60dae1f41
776da205cc0aa18abd7fe68c234bbad03c9e0a420db8d51de997a4741d1b4028
0ca1816f2c6bc6bb3e9dc4f32b36211472bf4d737d561e9c0a2d67ad38f474a2
29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
SH256 hash:
9570d80a922732d2d4cb626f3fcc473971c4064780dd6d0c0091b63e51f7b117
MD5 hash:
16a632438e539d8f7b567cfbab33a947
SHA1 hash:
408e99d8befc1c14dc4a4d511317dd905b0fa8c2
Link:
https://www.unpac.me/results/44ee89e4-10ea-4614-be0f-eced5a7cfac7/
SH256 hash:
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
MD5 hash:
9f8c183dc4c71a99db9e04aa0a8c28e7
SHA1 hash:
e887b05b182aecfcc0f093c8ae55461804ff5d50
Link:
https://www.unpac.me/results/44ee89e4-10ea-4614-be0f-eced5a7cfac7/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ac8f393a04b/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/1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/363211/

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