MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7. 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: 13


Intelligence 13 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
SHA3-384 hash: cc57ab9e8ca7317cb4bc6574bedbdf145ccfbb82a418fe67f0cebcab81865b8cc8bea571af7e0445c875dbb26b86173d
SHA1 hash: 2426bc7660fe8c97b1ff054ded57ae2207efca39
MD5 hash: c2af1cf1c6f28c79661e76ea8a00dade
humanhash: hot-magnesium-quiet-twenty
File name:DHL Document 11221023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:621'568 bytes
First seen:2023-11-27 09:20:04 UTC
Last seen:2023-11-27 11:53:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/8o0EgQdWTduK57I+vr3dDGI1bCo/3vIbqWAL/:Uw+uf6rNDGI1X+y/
Threatray 272 similar samples on MalwareBazaar
TLSH T14ED423123A58972AF93B4BF9C7A4428503F6B90F5BBAE14E6CC134FB4C96B404651F63
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460565/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.18812.19047.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e01f9a2b-0f28-452f-acd6-147a75107f33
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348352
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348352 Sample: DHL_Document_11221023.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 28 www.gampro.xyz 2->28 30 www.enescagricinar.xyz 2->30 32 18 other IPs or domains 2->32 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 48 7 other signatures 2->48 10 DHL_Document_11221023.exe 3 2->10         started        signatures3 46 Performs DNS queries to domains with low reputation 30->46 process4 signatures5 58 Injects a PE file into a foreign processes 10->58 13 DHL_Document_11221023.exe 10->13         started        16 DHL_Document_11221023.exe 10->16         started        process6 signatures7 60 Maps a DLL or memory area into another process 13->60 18 THEmWyZpuvL.exe 13->18 injected process8 process9 20 netiougc.exe 13 18->20         started        signatures10 50 Tries to steal Mail credentials (via file / registry access) 20->50 52 Tries to harvest and steal browser information (history, passwords, etc) 20->52 54 Writes to foreign memory regions 20->54 56 3 other signatures 20->56 23 THEmWyZpuvL.exe 20->23 injected 26 firefox.exe 20->26         started        process11 dnsIp12 34 www.gampro.xyz 172.67.190.116, 49768, 49769, 49770 CLOUDFLARENETUS United States 23->34 36 thecoloringbitch.com 162.241.252.161, 49764, 49765, 49766 UNIFIEDLAYER-AS-1US United States 23->36 38 8 other IPs or domains 23->38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-22 09:40:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ri4wxakr6r25okrrvgexgu7fp3qyzvpmljgnqljjtgeub73rwotq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
14fbad2e4d80e603f383e614506f7340aa75f32dd929f1338cddc9469643c0e4
Formbook
33d4f40d83493428f817717c92af34b335788346735a5563e7ee515993fa8d93
Formbook
6f3f99877f8716404854d6dbbb0f47ca698bf84e1968af3b84e79789e6500d6b
Formbook
e0793d63666fd27dd0132db7bd77c06ed6fb2d9dd919aa774886e9732e5db57d
Formbook
ebaa05165e9a04e110a016a74016effe016f9e19c83fc73f25ed6b3c49db40d8
Formbook
+ 262 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231127-lbbqaafe8x/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
41e245bf0dafde03a575b0d3d6581d5f0e59329047da738ddd88b5e19fe38e87
MD5 hash:
6be36044741307f6bd5dfe7f510a84e8
SHA1 hash:
e5c31ea1f7f5a17098a001af2804aea15405766b
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
Parent samples :
33d4f40d83493428f817717c92af34b335788346735a5563e7ee515993fa8d93
8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
1b245652f8eb90239d220881931099461279d671ad3c9f386c1c93699a9d4fc5
5e8b9a3cfcbc1a19ade37e8d246f61d95caf08ce139b6280b77dea376b626ec7
482fe81656515bb2c9d01bb6d5d6497834fdc36758a069616a4c71a995c10aeb
c01f5a812c3ca378bc066a4fbd56d1ceda30f8b051eaaa4941b9af92956fc8e6
be5ea75b6b003e8d06764370ba6a89be22845dec6bcf25a6f2d50c2d478dd214
SH256 hash:
a0f01eaf0772e8a22deec7deaffe23c78790261a8e917005e7796e12f4b89b6d
MD5 hash:
2d194f56ed6fd1e15d977f873b63df83
SHA1 hash:
adf44b215e43477d8e70b942c528a83df3837c7b
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
7140e3a5364e2a83a46c7daa4b65cd66bb7ebdd8308c9c4af7c2d0798e1254c6
MD5 hash:
3edfea1c15d4b5121d71f95096e24ade
SHA1 hash:
ac31871b63a8d959de6be8a6cedb8eb6277edfc9
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
18248f007e0342921d14b044001395c8447b73534cfee7a4c89a90e681b51a6b
MD5 hash:
adad3a3e7925f43b9f797f289d25f890
SHA1 hash:
4e7d436dc161026da67ef02b78acf02d7d9b38dc
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
0a3cd7023cbdb049e76d4f96fb11fd61ceea6adfe82101bf292a9b2c2541a914
MD5 hash:
7c1cd565aa24cd5c4cd0b9ad08bb3316
SHA1 hash:
324bf289887c04a0f40d08e633f4f9784b90660e
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
9928284cee31ebf77b53f608868dcd1f2db0b3c309c539c92aa8ba9761c30549
MD5 hash:
a02dd3019fea154209c72eeca630ea32
SHA1 hash:
967cfd51e01bd9f5f9b71a17ce5d22fc34f412dd
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
3fc48fb8f24d4819b4ada6962a268a68f782317823877c31de467ac1a278dfc7
MD5 hash:
a31aee33976827853b6bdf4bda72722d
SHA1 hash:
8d5b216613cb14d423418b81a914335838b08c32
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
91649e2120e369469e9d8f8572175a6fcf91170bee7cdad4a9050b59abc71740
MD5 hash:
67b884710da469ce75fbe34af5995829
SHA1 hash:
63e224b39815b283b9095dae2baef4f7c622571e
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
5e52be391616ac1b4a98ac50ca7234c374cf7b0152d5b27edad39c95479ac298
MD5 hash:
3bbd0920096f3148f0944fdb00a400ed
SHA1 hash:
5e286dbab29b364da09f64247e7ddce2e614f2a1
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
0f4482c802154fdbff29492879951d05f5e42946c7e4c53dd6aa84c838206e34
MD5 hash:
6d7ea27f957233bb25100eea34071e97
SHA1 hash:
30fd2584a684dea469bb3338ea6710fe4618f4e0
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
949e9092ab8351a9c1842d3970a7730f570b42f8193c3f92e08920987cadbad9
MD5 hash:
633d03ead4f23f670ae4ac5fd9c31d52
SHA1 hash:
214123a5a0f8ada0bc7c96cc205cc9c72909f21e
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
SH256 hash:
8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7
MD5 hash:
c2af1cf1c6f28c79661e76ea8a00dade
SHA1 hash:
2426bc7660fe8c97b1ff054ded57ae2207efca39
Link:
https://www.unpac.me/results/64f51f0d-2a1a-4688-8368-9d96f7021d38/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a396b8151f4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 8a396b8151f475d72a31a9897353e57ee18cd5ec5a4cd82d29998940ff71b3a7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460565/

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