MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28. 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 2 File information Comments
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SHA256 hash: b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28
SHA3-384 hash: 814fa678696df3b56dbd59aa296b3c28e78173e1262a2aa915b121fc3c754fe392f32af36172b232ea97e7cd0bdb57bc
SHA1 hash: a26a70a2b14c69095a3a64e0c1b5181e62a25c40
MD5 hash: 0333f3f2b1b727753d79fb352682de43
humanhash: red-one-video-timing
File name:akibet202305091122755.xls.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:656'384 bytes
First seen:2023-05-18 19:52:46 UTC
Last seen:2023-05-20 14:51:58 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 12288:32brI5MTbf+CqUVSwMYpNQEX42bGTtUC4nEOXrRh8LOP:orzTbGCqUVLhfQ2bGTmC+E8V
TLSH T1EAD4F13816E6C71AC11B8738D1D1C3F06739DD86F5A2CB570FEDBC5BB68A2BA2221151
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
249
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
akibet202305091122755.xls.exe
Verdict:
Malicious activity
Analysis date:
2023-05-18 19:55:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cbf26a63-cc5a-41c5-aa71-d0e9b53918c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33748388.24723.18960.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6466821f4bcc79fb4d49e104/reports/d1bcac23-1370-4b2f-b9a4-b4f41fbd5f1c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9ad491e-d2bc-46a4-9314-0f2ce52069ef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1236333
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 869328 Sample: akibet202305091122755.xls.exe Startdate: 18/05/2023 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 4 other signatures 2->43 7 akibet202305091122755.xls.exe 7 2->7         started        11 HmtVBSkra.exe 5 2->11         started        process3 file4 29 C:\Users\user\AppData\Roaming\HmtVBSkra.exe, PE32 7->29 dropped 31 C:\Users\...\HmtVBSkra.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp6EF1.tmp, XML 7->33 dropped 35 C:\...\akibet202305091122755.xls.exe.log, ASCII 7->35 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Adds a directory exclusion to Windows Defender 7->47 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 akibet202305091122755.xls.exe 7->17         started        49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 19 schtasks.exe 1 11->19         started        21 HmtVBSkra.exe 11->21         started        signatures5 process6 process7 23 conhost.exe 13->23         started        25 conhost.exe 15->25         started        27 conhost.exe 19->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 06:12:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr7qzhjfcfej4vdlf3uxxjafq2hk32ndqc5uh753uywm7fdjzmua._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230518-ylyn1scf31/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
33c22b9624c4e70e9f713e2a458780caa2103762218f07265437a304f8dd97fe
MD5 hash:
31d9a02c405e72e1fb5848bfdd14099a
SHA1 hash:
b36e2159832161c389a774c1a1898f24972016a9
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
Parent samples :
c11514fce0720af2328f702e0a42aaea3b9d4ef635de46d638a9ca0629e5f75d
fd0c237241cf1dd94f69484051725c5c791425fba130a5dadc427069e8b367cd
b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28
c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a
1e2470cf5042f4ff269c98c7a33dd27ca36ddeed91d9fb18df591f40a2d18131
1cdde22ebe2251b7dc0678e7a6a7911384565312929a39976a46154272bfb075
70e6864d836f4750789712dcb97587a60c5317e40ec5bccdbebff3c0fbfd7967
SH256 hash:
7a64688ee6064e950fdad4f399559c462bf6a8be25676e36387256a3242e1679
MD5 hash:
33e7d7ddeabc01dea7b0fa6746032da7
SHA1 hash:
753c648088b02b79ea1150df965172aa9cba945d
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
SH256 hash:
13c5194b9d08a8f8f42b22be94a5aa40c26366c24576076fb45bfbbfee235b67
MD5 hash:
90b29620bbbe46e5287eb41de7b44eae
SHA1 hash:
ac09b74642e92dd4e1cee8b85649d576d8c9b302
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
7819378be62114f2502b49793987b11bdebf2738fb32243cfe6d731b9f7efd42
MD5 hash:
9f2b060c77c4e9ca4bb2725b74e21db9
SHA1 hash:
2c3ac4ac6d82359fe1e32c580ceca7ea4eab380c
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
SH256 hash:
81d3b893aad0def2fc419f00eacab146e9bc389c261bab03416ebd5155ca68eb
MD5 hash:
c9f0b8319c7ca450341379fc83a29a71
SHA1 hash:
26dbd09bb76b06cad76d1076f7a38892d4cb37d9
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
SH256 hash:
b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28
MD5 hash:
0333f3f2b1b727753d79fb352682de43
SHA1 hash:
a26a70a2b14c69095a3a64e0c1b5181e62a25c40
Link:
https://www.unpac.me/results/46032bdd-7c43-4179-b80a-e8754061d2d2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b47f0c9d2511/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments