MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1efa0c8aacdc1d8cedff1876b0e3434407553a1bcf5b8b4e60c35259f5fbacb1. 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 4 File information Comments

SHA256 hash: 1efa0c8aacdc1d8cedff1876b0e3434407553a1bcf5b8b4e60c35259f5fbacb1
SHA3-384 hash: 0ee2868417a18810e3b76bf2ef29a7600623653177d34aeb9a91d6ea4eff2e7a97bb5654410db0df6b0e937497d67665
SHA1 hash: 28933f3e52dd251945f1af870c1619a4ee9c6167
MD5 hash: a21a56e9401a4e4113a1b3e8f54a6ab5
humanhash: march-cola-carpet-robin
File name:SecuriteInfo.com.Win32.PWSX-gen.21235.24563
Download: download sample
Signature Formbook
File size:711'168 bytes
First seen:2023-08-28 11:43:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:yFM1GVzYQvjOjcegYBSnjBHwAsUq1Ysi4bFkwrbtuniNMgAp3P/lPdn9JQcAdSKO:D1+JOj/gYBSjBHwA1GYsi4pZwm3etdPY
Threatray 1'773 similar samples on MalwareBazaar
TLSH T13EE4E098B1A1B49FC407CD77D9E46C24AA20746B570BE24390971AECEE0D6DBCE142F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
285
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.21235.24563
Verdict:
No threats detected
Analysis date:
2023-08-28 11:48:24 UTC
Tags:
n/a

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
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-04 06:56:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:u1r8 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ea614f55d4ae96e21946246af218799362abf3447116ed0b48e1869920772af1
MD5 hash:
cbc19fbf7f5f9b847dc672b95214555b
SHA1 hash:
dc4613a8a81c1860c8f9e5a5740f6a2bf0c1b3db
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
7c743d979549f931d7101d1a14c14841ff47c848a3f30e31882d0d958bf5f941
MD5 hash:
508ba12479b3d78edb93f63b40ab3b7f
SHA1 hash:
d72b842c46546e4e494c9338b530e305dae1d5d2
SH256 hash:
419d10efe87730be04495d456aa267329f7a3aa991038e99affd5bf0d7791c1c
MD5 hash:
ebf5aa6e616b0ed738d4c096f3dd1635
SHA1 hash:
a61117fafd211beb575bbe238d57b490e27e8dbc
SH256 hash:
bf07f90895592c2e90661bf8152bffa07657223f8670287307aaa47bd4086da1
MD5 hash:
d88a5f5dcd4063bc856bf8b82f08c925
SHA1 hash:
9ede034931d2c917bcbe25dfe918860db2f389f9
SH256 hash:
1efa0c8aacdc1d8cedff1876b0e3434407553a1bcf5b8b4e60c35259f5fbacb1
MD5 hash:
a21a56e9401a4e4113a1b3e8f54a6ab5
SHA1 hash:
28933f3e52dd251945f1af870c1619a4ee9c6167
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Comments