MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3
SHA3-384 hash: 67c5ff2573dd95c61a551adf29ddf8822073812ffcfc593069375d262b5181f7325767bec2a1dcc882d093fbe57d23c3
SHA1 hash: 6cdef574ae0a19af65c4b6e82b23608f68cc98d8
MD5 hash: 471e22ddba07c988ad31173e76f47795
humanhash: five-nitrogen-golf-montana
File name:MAIL_DOC_6483926407281634453920384655925.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:640'886 bytes
First seen:2022-10-07 10:53:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:HNAKXq5WuXIEgn/z3O6D7zkoT+lqp/7Iu/O2ybZx9Y9rl7jjGHt:HNASoW4Ivn/bZlT+lQTD/O3BArRCHt
Threatray 195 similar samples on MalwareBazaar
TLSH T169D422443720C322D9AEFBB74F3362268AE8959D1597D32E870D7D883D39482EED4746
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0c52b55970b5591c (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
MAIL_DOC_6483926407281634453920384655925.lzh
Verdict:
Malicious activity
Analysis date:
2022-10-05 18:39:07 UTC
Tags:
autoit formbook
Link:
https://app.any.run/tasks/2c0c12da-6fd7-4fca-8aa0-3f062cd4a9d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317592/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/41808/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6340054cd089a0c15dd5b5e9/reports/074b1425-bfb3-45f8-8be8-690ca66ba093/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99dff35b-ac58-4b9a-a781-e90d58f822a0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1085658
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found API chain indicative of sandbox detection
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718215 Sample: MAIL_DOC_648392640728163445... Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 45 www.info-updates.site 2->45 57 Multi AV Scanner detection for domain / URL 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 12 MAIL_DOC_6483926407281634453920384655925.exe 19 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\xaoclaflql.exe, PE32 12->37 dropped 15 xaoclaflql.exe 3 12->15         started        process6 file7 39 C:\Users\user\AppData\Local\Temp\D4D.tmp, PE32 15->39 dropped 41 C:\Users\user\AppData\Local\Temp\54D.tmp, PE32 15->41 dropped 43 C:\Users\user\AppData\Local\Temp\1675.tmp, PE32 15->43 dropped 51 Found API chain indicative of sandbox detection 15->51 53 Found hidden mapped module (file has been removed from disk) 15->53 55 Tries to detect virtualization through RDTSC time measurements 15->55 19 xaoclaflql.exe 15->19         started        22 xaoclaflql.exe 15->22         started        24 xaoclaflql.exe 15->24         started        signatures8 process9 signatures10 65 Modifies the context of a thread in another process (thread injection) 19->65 67 Maps a DLL or memory area into another process 19->67 69 Sample uses process hollowing technique 19->69 71 Queues an APC in another process (thread injection) 19->71 26 explorer.exe 19->26 injected process11 dnsIp12 47 betterlifewebinar.com 15.197.142.173, 49687, 80 TANDEMUS United States 26->47 49 www.betterlifewebinar.com 26->49 73 System process connects to network (likely due to code injection or exploit) 26->73 30 control.exe 26->30         started        signatures13 process14 signatures15 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Tries to detect virtualization through RDTSC time measurements 30->79 33 cmd.exe 1 30->33         started        process16 process17 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3/
Threat name:
Win32.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 10:47:13 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lfgwdjf4xtdfan2dvltyyr7xtbkxjev2tqdqjq5kdchvfc2qyxrq._file
Verdict:
malicious
Similar samples:
392a280d0771a774bf35f681527f09852ffa9700d2a4b78dbd5f42de35d8b274
Formbook
51571264ea17f6eb11267797cfd17a462c408580ecbfd10587dd8f848a79e15f
Formbook
57c9630ff4575c0881314c5f31f4177249c84218642cef6c3896fbc6337c380a
Formbook
63dd0a2a872fe7368088cd4916ed199f6ead9c5f5843facdcaa578bb68dedd57
Formbook
6a18e69d28b177619e672f93fd97bdbfd13160faecd63f942728dc18254afb88
Formbook
83327640b003bbdb759074d1e9925381bcb661a35b531b3d9832435ae80298ac
Formbook
886581e4b23e851f4244fb1a1d028e0ba1ed11d5b85868519cc606a40a06457c
Formbook
a233b76767157c012c4d1ec34726d87ea1efac01e49efd9fef394c7e84966103
Formbook
d32f28ba0890002ca897903a45f7d3b939abecd09de1128e3b5134cf57ab4960
Formbook
d79a379ce1fcbe1e3548dfde37f6c2591f2ebf8de6c0d0db6f282933e529cf53
Formbook
+ 185 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:en27 rat spyware stealer trojan
Link:
https://tria.ge/reports/221007-mzjlgacca7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/49b0a978-51b1-476f-bbe8-d0d55df6af17
Unpacked files
SH256 hash:
2edbe564d4eefcdfb0da411cd2c8395ee26cad5410741c5576bda0be24f3486a
MD5 hash:
3e0eaa2ddc8e773574a610dcbfb21c52
SHA1 hash:
c0f995e2c0f1d3915989cb59210e4fa4f38b898a
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b6f2f8e5-953b-4607-a90e-8adcf23ac26d/
Parent samples :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 hash:
595f8e51fbe326d278c78011343470ce97f5d655ad657023a4ba5edc79006a4d
MD5 hash:
afd61ed83d724ee7e4459b7526109c2f
SHA1 hash:
458f66512e5ba13b3777266528767935fa57028e
Link:
https://www.unpac.me/results/b6f2f8e5-953b-4607-a90e-8adcf23ac26d/
SH256 hash:
594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3
MD5 hash:
471e22ddba07c988ad31173e76f47795
SHA1 hash:
6cdef574ae0a19af65c4b6e82b23608f68cc98d8
Link:
https://www.unpac.me/results/b6f2f8e5-953b-4607-a90e-8adcf23ac26d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/594d61a4bcbc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3

File information

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

Malspam

Formbook

Executable exe 594d61a4bcbcc6503743aae78c47f798557492ba9c0704c3aa188f528b50c5e3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/317592/

Comments