MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd94bb8956e12aa67943b6bb657f17d2680b848b36f8726283a2037d1d588461. 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 2 File information Comments

SHA256 hash: cd94bb8956e12aa67943b6bb657f17d2680b848b36f8726283a2037d1d588461
SHA3-384 hash: 05f46e3931c75ee3423e82079cee43a4ee0014b4b5b7764459494ebbd73fe7a95e807e75a240e823c65ece5671b3da88
SHA1 hash: c98dabb52ab26eb5d3d7ffafaad37835f790b3f5
MD5 hash: c2c5608797a537b3af5a4b1ef3898490
humanhash: friend-uranus-potato-zulu
File name:ZAINAB JASSIM RFQ.exe
Download: download sample
Signature Formbook
File size:621'056 bytes
First seen:2023-05-16 10:18:35 UTC
Last seen:2023-05-16 10:35:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:gY8v5iYGiK+n0wC2Pf8GTG8K5gm+IFwo3vkOdyaC/dmkG2QRKHGcsdb:ukwCGNQgm+8lvk2K86kp
Threatray 2'908 similar samples on MalwareBazaar
TLSH T1E0D4D17010AE46D0F01FCBB165B8FD72023270F3A9E9D9750B6A91C4CE67F506E98A5B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
244
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ZAINAB JASSIM RFQ.exe
Verdict:
Malicious activity
Analysis date:
2023-05-16 10:20:53 UTC
Tags:
formbook xloader trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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 virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 867709 Sample: ZAINAB_JASSIM_RFQ.exe Startdate: 16/05/2023 Architecture: WINDOWS Score: 100 57 www.developmentszhuiservice.com 2->57 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for URL or domain 2->77 79 7 other signatures 2->79 11 ZAINAB_JASSIM_RFQ.exe 7 2->11         started        15 ufnyslj.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\ufnyslj.exe, PE32 11->49 dropped 51 C:\Users\user\...\ufnyslj.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpFA71.tmp, XML 11->53 dropped 55 C:\Users\user\...\ZAINAB_JASSIM_RFQ.exe.log, ASCII 11->55 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Adds a directory exclusion to Windows Defender 11->89 91 Tries to detect virtualization through RDTSC time measurements 11->91 17 ZAINAB_JASSIM_RFQ.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        24 ZAINAB_JASSIM_RFQ.exe 11->24         started        93 Multi AV Scanner detection for dropped file 15->93 95 Machine Learning detection for dropped file 15->95 26 ufnyslj.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 4 1 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        process9 dnsIp10 59 www.developmentszhuiservice.com 156.241.154.218, 49708, 49709, 80 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK Seychelles 30->59 61 www.usapaperballot.com 30->61 63 usapaperballot.com 34.102.136.180, 49707, 80 GOOGLEUS United States 30->63 97 System process connects to network (likely due to code injection or exploit) 30->97 40 colorcpl.exe 30->40         started        43 chkdsk.exe 30->43         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 40->81 83 Maps a DLL or memory area into another process 40->83 85 Tries to detect virtualization through RDTSC time measurements 40->85 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Status:
Malicious
First seen:
2023-05-16 08:45:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o17i rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
e8b1e367667c1a980c7190fd85421ee3a94415f5a885e355dd5fa509e3c658f3
MD5 hash:
380d43bdaa915b36a591e9ee91861454
SHA1 hash:
89bd0cf1f373ab7a9e44372fc12c4876ade352a8
SH256 hash:
a7485443b331c2fca54197f53638cb11a8c82bac339b66f35b95d0ad0aceb438
MD5 hash:
dfca41d2838170cb07ef445bb7d9c987
SHA1 hash:
7622672bed23f065cafdf2a17879ebf5926aba8b
SH256 hash:
0201eea9e7efc07ebf6395f738c4d5061ff44e2543aa04d458c0d15083cbca50
MD5 hash:
02efcae89b419d9d91caa639022a4a03
SHA1 hash:
0d5d2e83ecc9269d0f09a59480932774f462b539
SH256 hash:
cd94bb8956e12aa67943b6bb657f17d2680b848b36f8726283a2037d1d588461
MD5 hash:
c2c5608797a537b3af5a4b1ef3898490
SHA1 hash:
c98dabb52ab26eb5d3d7ffafaad37835f790b3f5
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

Comments