MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a
SHA3-384 hash: 5086eab71756f69322d201868b67fd81476ced7592285af59909d8e636fd2424289d7b4229e398ba734cc7ec1b7049ce
SHA1 hash: c00cc01b1d6e38dd98341eb218b166515526139f
MD5 hash: 1d4a97957790389d66e1b678b08e9d1c
humanhash: north-arizona-one-virginia
File name:kredi Karti Hesap Özeti- 4508 0519.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:729'088 bytes
First seen:2023-05-19 16:13:00 UTC
Last seen:2023-05-20 15:05:44 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:zcqBkaxuYb/Y+p4UcOj+NllxH81vaYOkHNkrBjdSytNxb46H5ANtBszGOh:zcqzuYb/t4Ur+/OCYtIgwmDBsCM
Threatray 2'947 similar samples on MalwareBazaar
TLSH T1A4F4DF2022B58B46E1BA83F49DE0D2F017FA5D9A743AC21B4FD6FCDB71A9BA50710513
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 abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kredi Karti Hesap Özeti- 4508 0519.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 16:18:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0d7ec5c7-53ea-4766-b75f-a1d2a4a79d82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.10688.16859.6398.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6467a012b570fc81c71cf00c/reports/09b242fc-caf5-4d9d-a54b-f935104f69d6/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILMamut
Link:
https://www.hybrid-analysis.com/sample/c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a
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/3dc346b1-8b2c-488b-a5cd-7b6454303580
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1237389
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: 870384 Sample: kredi_Karti_Hesap_#U00d6zet... Startdate: 19/05/2023 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 7 kredi_Karti_Hesap_#U00d6zeti-_4508_0519.pdf.exe 7 2->7         started        11 xgNQoqO.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\xgNQoqO.exe, PE32 7->31 dropped 33 C:\Users\user\...\xgNQoqO.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp5C33.tmp, XML 7->35 dropped 37 kredi_Karti_Hesap_...08_0519.pdf.exe.log, ASCII 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 kredi_Karti_Hesap_#U00d6zeti-_4508_0519.pdf.exe 7->17         started        19 kredi_Karti_Hesap_#U00d6zeti-_4508_0519.pdf.exe 7->19         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 21 schtasks.exe 1 11->21         started        23 xgNQoqO.exe 11->23         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 21->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-18 08:40:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynyglf2r774yrbcfqjuzobjktjzuynqzbggakndxosvu2p36dzfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f79d5a95f0a777647c8f37dac2111cc426b2a3da30d7edaced49e980e0910a6
Formbook
38d3d43ff1b91bc5856ac9b14bdd4720f705448e079e7bf4931f02e9519da834
Formbook
398c5e8474d46a3c0855c3ccaaa0dedaf04e5250aa39c7bf778e8d6dd90100c8
Formbook
84bb3eef041b324e481d2f90eca48a5cd85866adfb1188405b28807bb3605398
Formbook
b4dcdba63c910f0b639470e13d33d712a3e2139340e422f422fd1d86116af1e9
Formbook
caca41ded7766e3062137410ef48196855ed19f6f6f5acf7fe5a2031aea52361
Formbook
d21806c0151bf7c8df900c319a6eb1ce315ee00298860fdbe1aef252fb3ba160
Formbook
e760785b4571b2c4f6f0a2a8be5e9ebf3a92029324c610df9fc8205a0c4cd019
Formbook
f0f7717c93fa1fc099bb73da00989d8e75f24047779c1c54e74db9c21db6b3d8
Formbook
faad935cd6f0ade73482e2f21bb43120f6955908a6e6760051e1cb4fddcfbe2f
Formbook
+ 2'937 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230519-tn3crshd6x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
Parent samples :
c11514fce0720af2328f702e0a42aaea3b9d4ef635de46d638a9ca0629e5f75d
fd0c237241cf1dd94f69484051725c5c791425fba130a5dadc427069e8b367cd
b47f0c9d2511489e546b2ee97ba405868eade9a380bb43ffbba62ccf9469cb28
c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a
1e2470cf5042f4ff269c98c7a33dd27ca36ddeed91d9fb18df591f40a2d18131
1cdde22ebe2251b7dc0678e7a6a7911384565312929a39976a46154272bfb075
70e6864d836f4750789712dcb97587a60c5317e40ec5bccdbebff3c0fbfd7967
SH256 hash:
7a64688ee6064e950fdad4f399559c462bf6a8be25676e36387256a3242e1679
MD5 hash:
33e7d7ddeabc01dea7b0fa6746032da7
SHA1 hash:
753c648088b02b79ea1150df965172aa9cba945d
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
SH256 hash:
55471871528be8ce6825ca5a256af5459656cdd285cda73868405d4aa9c589a1
MD5 hash:
bbb567687f16413054ea2f60fc47c242
SHA1 hash:
dc6fc7d12a2881d519136859e374c7339f2b855e
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
SH256 hash:
e0b231b7eb5a317366316cb1e7c2e088cfbc4b4bc8edc92d8bfe54a123c6e01e
MD5 hash:
d0966c3667217b81c6b7fc61f1928cdf
SHA1 hash:
d10d7aa8c8a3d3e2b5d7a420569eba74d38a8c06
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
SH256 hash:
2907ceb0aff33154a49177d6e04e822538f3fb439a55264cdf84b162564afea6
MD5 hash:
ae06e9b9c5d6df3bdb39fbbc75d9b9cd
SHA1 hash:
b03aff7dda4462819b1250e44d80c83aca37237f
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a
MD5 hash:
1d4a97957790389d66e1b678b08e9d1c
SHA1 hash:
c00cc01b1d6e38dd98341eb218b166515526139f
Link:
https://www.unpac.me/results/da40cbb5-a35c-4f9f-9c2f-cbf1d9d4c465/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c370659751ff/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/c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a

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 c370659751fff9888445826997052a9a734c3619098c05347774ab4d3f7e1e4a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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