MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75
SHA3-384 hash: 900d7649c75c6f0180f8072f3604e00de8822dd8895b1291b1e4203711ab3ee9422352ed7572bd0c7f51dd92da23a84e
SHA1 hash: 219f9b72379ce21250351c9d8ee628fc157f740f
MD5 hash: 842ad1d1101392fc2d7ce158f3ebaec7
humanhash: vegan-speaker-august-ink
File name:iU3WGoA77BdiFdA.exe
Download: download sample
Signature Formbook
File size:776'712 bytes
First seen:2024-03-18 08:23:57 UTC
Last seen:2024-03-18 10:28:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:cip5ELUDK2tTinH9uLE3gX01+/A8dUQ0JFSFB2eLdtZQP0eXrkR:ci3k4bs9/3gE1+/xUQ0JF8taPdu
TLSH T12BF42216B2AC8943E57885F82D2840505BF7229651B7CBC81CDF70DEE7E2F698960F1B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b978f0c8ccccf878 (1 x Neshta, 1 x Formbook)
Reporter cocaman
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
371
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL OVER DUE ACCOUNT NOTICE.r01
Verdict:
Malicious activity
Analysis date:
2024-03-15 07:35:38 UTC
Tags:
formbook xloader

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410680 Sample: iU3WGoA77BdiFdA.exe Startdate: 18/03/2024 Architecture: WINDOWS Score: 100 30 www.vb4n53g4fh354gf5jh.top 2->30 32 www.sukimossmanagement.com 2->32 34 12 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 iU3WGoA77BdiFdA.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 iU3WGoA77BdiFdA.exe 11->14         started        17 iU3WGoA77BdiFdA.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 65 1 14->19 injected process8 dnsIp9 36 adilosk.shop 84.32.84.32, 49712, 80 NTT-LT-ASLT Lithuania 19->36 38 www.scheuermannworks.com 208.91.197.27, 49715, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 19->38 40 3 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 wlanext.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2024-03-14 22:37:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ns03 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
SH256 hash:
842a86e7401a0511e8f9e0baf42186f4376b5309b69a288bb58d81846d0e7977
MD5 hash:
a9048ff1a37491d1988ed9823e76ca8c
SHA1 hash:
53aa58dd9c5c460b470774988e0720769c746254
SH256 hash:
7c56e992706d99c7734fcc9b7d1d0227069aa567d7134eb4843bb5a18c434861
MD5 hash:
e08ddbf8db297ce5de4f3840f8782636
SHA1 hash:
26d850f9ce97671ef376a8514fda2a310e8c9a4b
SH256 hash:
c7b65c024c00424121be603e04c3032bfb1415c2bb12dadcf03c34ee72321c58
MD5 hash:
1c54147f268ac0afa3a41e7c89a79162
SHA1 hash:
221ff832887f8be905fd555f973422b587bacefb
SH256 hash:
e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75
MD5 hash:
842ad1d1101392fc2d7ce158f3ebaec7
SHA1 hash:
219f9b72379ce21250351c9d8ee628fc157f740f
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

Malspam

Formbook

Executable exe e54350487bda76835619ccc44ff79db38db5183f544efbf33159cfd707bcdb75

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments