MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aff3ca091be594c0710fcd51d369673e2a11bce28d21434cce1970c22eb8e5a9. 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 2 File information Comments

SHA256 hash: aff3ca091be594c0710fcd51d369673e2a11bce28d21434cce1970c22eb8e5a9
SHA3-384 hash: 7eba287e2a71885d736197cbc164e7611420d462a8a13d7e973e94e1f2cfb4e8da1ece5b8b70929859cb45c64f31c509
SHA1 hash: 7fa347c7fb42e7e8d7a422299a42bc546045a69a
MD5 hash: 3697c51c26fbb0b70d061c7506bb08e4
humanhash: double-alabama-single-salami
File name:aff3ca091be594c0710fcd51d369673e2a11bce28d21434cce1970c22eb8e5a9
Download: download sample
Signature Formbook
File size:684'544 bytes
First seen:2023-07-07 09:36:56 UTC
Last seen:2023-07-07 10:38:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wIlpdvDhH62MmgPFg9CbpwRHR1hvhM4nqIUwOGGOiAz0+0GAWoo:VdvDcAw+9CO35TTUHGHwGAWoo
Threatray 3'369 similar samples on MalwareBazaar
TLSH T17CE4120AB37E8722D6F783F44161123513BB2A9B7622EB1E8EC370DA562BF050351E57
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
259
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aff3ca091be594c0710fcd51d369673e2a11bce28d21434cce1970c22eb8e5a9
Verdict:
No threats detected
Analysis date:
2023-07-07 09:38:13 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
Restart of the analyzed sample
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 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 FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1269054 Sample: eKXjweM2YM.exe Startdate: 07/07/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 eKXjweM2YM.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\eKXjweM2YM.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 14 eKXjweM2YM.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.ncintura.com 154.80.192.235, 49705, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->30 32 www.dcvbrfervcewfeg.click 188.114.96.7, 49706, 80 CLOUDFLARENETUS European Union 17->32 34 www.uniproh.africa 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2023-06-21 09:27:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cx01 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
f1612c1256ce4a2502ffa01fffd4e061859c5882797c6ad022bd0a3a64506bf9
MD5 hash:
36b991d0b39a26a10cd842ba92e93981
SHA1 hash:
6683d8405b6de315e7a996fb88c7ca0aea11320b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
bd02be9a7adcacde3ad2f23c7d13803f8de188a2b613531f21c3596d69634f8c
MD5 hash:
21d15723077e1f5d775fa7b956184da3
SHA1 hash:
924482b466ad6c0448e09342d88dbbe4b7fb762d
SH256 hash:
8e071dc889de7e7237e1ac00db5966107df4bcc87ee4dbeb893555ce5cc904f5
MD5 hash:
a5eba92a257273bf538481b6be24fa5c
SHA1 hash:
8895eaa38009713ed9cbf6fd103ca88e307b32a6
SH256 hash:
f1612c1256ce4a2502ffa01fffd4e061859c5882797c6ad022bd0a3a64506bf9
MD5 hash:
36b991d0b39a26a10cd842ba92e93981
SHA1 hash:
6683d8405b6de315e7a996fb88c7ca0aea11320b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
bd02be9a7adcacde3ad2f23c7d13803f8de188a2b613531f21c3596d69634f8c
MD5 hash:
21d15723077e1f5d775fa7b956184da3
SHA1 hash:
924482b466ad6c0448e09342d88dbbe4b7fb762d
SH256 hash:
8e071dc889de7e7237e1ac00db5966107df4bcc87ee4dbeb893555ce5cc904f5
MD5 hash:
a5eba92a257273bf538481b6be24fa5c
SHA1 hash:
8895eaa38009713ed9cbf6fd103ca88e307b32a6
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
SH256 hash:
f1612c1256ce4a2502ffa01fffd4e061859c5882797c6ad022bd0a3a64506bf9
MD5 hash:
36b991d0b39a26a10cd842ba92e93981
SHA1 hash:
6683d8405b6de315e7a996fb88c7ca0aea11320b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
bd02be9a7adcacde3ad2f23c7d13803f8de188a2b613531f21c3596d69634f8c
MD5 hash:
21d15723077e1f5d775fa7b956184da3
SHA1 hash:
924482b466ad6c0448e09342d88dbbe4b7fb762d
SH256 hash:
8e071dc889de7e7237e1ac00db5966107df4bcc87ee4dbeb893555ce5cc904f5
MD5 hash:
a5eba92a257273bf538481b6be24fa5c
SHA1 hash:
8895eaa38009713ed9cbf6fd103ca88e307b32a6
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
SH256 hash:
f1612c1256ce4a2502ffa01fffd4e061859c5882797c6ad022bd0a3a64506bf9
MD5 hash:
36b991d0b39a26a10cd842ba92e93981
SHA1 hash:
6683d8405b6de315e7a996fb88c7ca0aea11320b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
bd02be9a7adcacde3ad2f23c7d13803f8de188a2b613531f21c3596d69634f8c
MD5 hash:
21d15723077e1f5d775fa7b956184da3
SHA1 hash:
924482b466ad6c0448e09342d88dbbe4b7fb762d
SH256 hash:
f1612c1256ce4a2502ffa01fffd4e061859c5882797c6ad022bd0a3a64506bf9
MD5 hash:
36b991d0b39a26a10cd842ba92e93981
SHA1 hash:
6683d8405b6de315e7a996fb88c7ca0aea11320b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
8e071dc889de7e7237e1ac00db5966107df4bcc87ee4dbeb893555ce5cc904f5
MD5 hash:
a5eba92a257273bf538481b6be24fa5c
SHA1 hash:
8895eaa38009713ed9cbf6fd103ca88e307b32a6
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
SH256 hash:
bd02be9a7adcacde3ad2f23c7d13803f8de188a2b613531f21c3596d69634f8c
MD5 hash:
21d15723077e1f5d775fa7b956184da3
SHA1 hash:
924482b466ad6c0448e09342d88dbbe4b7fb762d
SH256 hash:
8e071dc889de7e7237e1ac00db5966107df4bcc87ee4dbeb893555ce5cc904f5
MD5 hash:
a5eba92a257273bf538481b6be24fa5c
SHA1 hash:
8895eaa38009713ed9cbf6fd103ca88e307b32a6
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
SH256 hash:
aff3ca091be594c0710fcd51d369673e2a11bce28d21434cce1970c22eb8e5a9
MD5 hash:
3697c51c26fbb0b70d061c7506bb08e4
SHA1 hash:
7fa347c7fb42e7e8d7a422299a42bc546045a69a
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.

Comments