MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91e32911241ac71b26598ddf5449220097d03cd84c55e3984959a97663044927. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 91e32911241ac71b26598ddf5449220097d03cd84c55e3984959a97663044927
SHA3-384 hash: b92f61efea18cb4b33ce9397ca1756628667a2ec66dec2bfa8a97b2170b69c285f5cf45e421e943cbd6c7dcd75263436
SHA1 hash: affdb8b29a630c9e3dd74c9a474abe4efb225aa8
MD5 hash: 48f7ec2c26938accd06bc2c76b0339cd
humanhash: oscar-batman-september-single
File name:48f7ec2c26938accd06bc2c76b0339cd.exe
Download: download sample
Signature Formbook
File size:970'240 bytes
First seen:2020-12-03 07:45:52 UTC
Last seen:2020-12-03 10:26:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:uZEKotGOX4BqOQb/9+8bz303VlODSBkFJJSivM2R6b:uaKoto8bnDs4JSivRM
Threatray 3'046 similar samples on MalwareBazaar
TLSH 6B254A9D365072DFC857CE36CA681C64EBA0B5BA870BD243A05716ED9E0D99BCF140F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 326272 Sample: qePov3XuAI.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 8 other signatures 2->54 10 qePov3XuAI.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\QjHpbd.exe, PE32 10->34 dropped 36 C:\Users\user\...\QjHpbd.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpDE7A.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\...\qePov3XuAI.exe.log, ASCII 10->40 dropped 58 Tries to detect virtualization through RDTSC time measurements 10->58 14 qePov3XuAI.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 qePov3XuAI.exe 10->19         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 42 www.kygtd.com 172.252.182.111, 49765, 80 EGIHOSTINGUS United States 21->42 44 www.sabscupcakes.com 21->44 46 www.joker91.com 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 27 msdt.exe 21->27         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-03 00:10:37 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.poweruppowerwashing.com/21m/
Unpacked files
SH256 hash:
91e32911241ac71b26598ddf5449220097d03cd84c55e3984959a97663044927
MD5 hash:
48f7ec2c26938accd06bc2c76b0339cd
SHA1 hash:
affdb8b29a630c9e3dd74c9a474abe4efb225aa8
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
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.

Web download

Formbook

Executable exe 91e32911241ac71b26598ddf5449220097d03cd84c55e3984959a97663044927

(this sample)

  
Delivery method
Distributed via web download

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