MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34ba86fe0e8ed621b916cf851855cd2c616af85a19534bfc25b5806ca43cbb58. 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 File information Comments

SHA256 hash: 34ba86fe0e8ed621b916cf851855cd2c616af85a19534bfc25b5806ca43cbb58
SHA3-384 hash: 412bb68a757a7f71762e3f513bdaf76be7d8b99090f64d134ddc838eaa62e2c91ea85a4d3beabfe896110b4ec27373c8
SHA1 hash: f6e91718b5bcf487e1fc040d228e87c7cdf72aae
MD5 hash: 042c5506f6d384f18529e2247c09b2d1
humanhash: maine-floor-glucose-april
File name:713290575.exe
Download: download sample
Signature Formbook
File size:277'964 bytes
First seen:2022-12-07 07:18:15 UTC
Last seen:2022-12-07 14:12:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:QBn1ufsqsOrt2ureZR0SJ+9/NDEBeZSeR36:guEIt2urg2/NDEBeZrR36
TLSH T1FD4423A256D864BBEA6309310A61B37FE27DDB201428015B5BE01FF7053B7C7E95B362
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
197
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
713290575.exe
Verdict:
Malicious activity
Analysis date:
2022-12-07 07:21:05 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 file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for the window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762392 Sample: 713290575.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected FormBook 2->58 60 2 other signatures 2->60 10 713290575.exe 19 2->10         started        process3 file4 40 C:\Users\user\AppData\Local\...\xyvpsaxhg.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\rjdkrussue.xr, DOS 10->42 dropped 13 xyvpsaxhg.exe 1 3 10->13         started        process5 file6 44 C:\Users\user\AppData\...\xgjhkwlvohqq.exe, PE32 13->44 dropped 66 Multi AV Scanner detection for dropped file 13->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->68 70 Maps a DLL or memory area into another process 13->70 17 xyvpsaxhg.exe 13->17         started        20 conhost.exe 13->20         started        signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 17->46 48 Maps a DLL or memory area into another process 17->48 50 Sample uses process hollowing technique 17->50 52 Queues an APC in another process (thread injection) 17->52 22 explorer.exe 17->22 injected process10 signatures11 62 Uses ipconfig to lookup or modify the Windows network settings 22->62 25 xgjhkwlvohqq.exe 1 22->25         started        28 xgjhkwlvohqq.exe 1 22->28         started        30 ipconfig.exe 22->30         started        process12 signatures13 64 Multi AV Scanner detection for dropped file 25->64 32 WerFault.exe 3 10 25->32         started        34 conhost.exe 25->34         started        36 WerFault.exe 10 28->36         started        38 conhost.exe 28->38         started        process14
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-07 00:47:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:yurm persistence rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d72636b688f1516d95c5f4284e7bb48b4cdbb84be29602256352eb9bcd201b16
MD5 hash:
67ab1a1d4928f5ad3fa5da8d62da9526
SHA1 hash:
5065f154f716e6938d9364437f91ca8190d74571
SH256 hash:
dfcafdc033e87358e4fc663167b213beaae80bc886a670f4ca535bdaaca6ba05
MD5 hash:
7d2f68788b3ee076fa9eb6484ee05bd9
SHA1 hash:
bd8580a0f568152464117fcf534af2b39b4bc7e3
SH256 hash:
34ba86fe0e8ed621b916cf851855cd2c616af85a19534bfc25b5806ca43cbb58
MD5 hash:
042c5506f6d384f18529e2247c09b2d1
SHA1 hash:
f6e91718b5bcf487e1fc040d228e87c7cdf72aae
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 34ba86fe0e8ed621b916cf851855cd2c616af85a19534bfc25b5806ca43cbb58

(this sample)

  
Delivery method
Distributed via e-mail attachment

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