MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
SHA3-384 hash: 55bdb5ab95545485f52b4d2e27faeea9353fdc37f7e40f50dcd3af98197c0de4d85ccc1ad6fc059f31921837622d2e18
SHA1 hash: 181e3f00b56afdf6a51a90011fee175dc80e94d5
MD5 hash: 71899e3fb25c4c006de92ee2d13471c4
humanhash: cup-iowa-carolina-berlin
File name:SKM-0614483-pdf.pif
Download: download sample
Signature Formbook
Create hunting rule
File size:310'297 bytes
First seen:2022-01-21 23:58:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owEFV99w68v4Yu9346uEB7GV2TBdczmQ417vrpZ1vZ:gF8o93VuEBiEczmBl7Z
Threatray 12'964 similar samples on MalwareBazaar
TLSH T17B641308A1C3D5A3D45A24326BB3633EF3FFD34A969221B72F926E7660601D1161EDD3
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Racco42
Tags:exe FormBook pif

Intelligence

File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKM-0614483-pdf.pif
Verdict:
Malicious activity
Analysis date:
2022-01-22 01:19:10 UTC
Tags:
installer trojan formbook stealer opendir
Link:
https://app.any.run/tasks/95e75601-7f16-47ef-ad63-5edeb387ca7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221581/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Reading critical registry keys
Sending an HTTP GET request
Connecting to a non-recommended domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/61eb48c80f8c757253d6eabd/reports/54ba7bd9-31e1-4aed-b9dd-ae4b4b6ac185/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae04ad6a-d584-464d-8207-d69095fdf863
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925537
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 558015 Sample: SKM-0614483-pdf.pif Startdate: 22/01/2022 Architecture: WINDOWS Score: 100 31 www.dihesia.xyz 2->31 33 www.bookgocar.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 SKM-0614483-pdf.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\ldvaswswcl.dll, PE32 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 SKM-0614483-pdf.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.qsuo.net 18->35 37 www.courtneywhitearmusic.com 199.34.228.75, 49819, 80 WEEBLYUS United States 18->37 39 14 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 svchost.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601/
Threat name:
Win32.Worm.SpyBot
Create hunting rule
Status:
Malicious
First seen:
2022-01-21 17:37:16 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa4n76rwl47u2g33jr3gz2tg3qv6mkp6pgi4ceujjjakzlts4yaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08d17b9c0d3ab4eb79a38b0a500655f9f47bc3468718ae5b61d59d0b2b687e53
Formbook
32202111654172f16eab4a33849af61e651680218d44e657b719b56789976561
Formbook
44b17de7c324ff60a195215bf1a73eb41febf731f86699848e68815db5978387
Formbook
4a5b5a531a3b114eec42bec024ce1f0d4178a109c08510311819c58e920fd90e
Formbook
76d73723ac1e30fad92d7f3fdbb0a87c1d8854ad4e7d3d728805a3f26843085c
Formbook
7f4888239060a411b5a521d19e88bb1158189634f764383c2c2fc0bb84e01169
Formbook
8ab0631733cbd75ee80236daf25af3a79d6c2471c2c5b3f354407f92101bea28
Formbook
c3096cfa6809f117e6d9d1011c57a91ab81055d92ff3348c51c47ceed7e330bc
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
Formbook
+ 12'954 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uar3 loader rat
Link:
https://tria.ge/reports/220121-31qdeadhd2/
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
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c88591890798e21cea03becbf1c14ee169b34981a0a9d095f3ff86ccd10e4ebe
MD5 hash:
58637ba6b67aa847105e312bac8a0695
SHA1 hash:
e3a1f43dda6cf42f23acf4cd4f1ad944f3c591ce
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5d34b0d6-40ee-484d-a5fe-8e2008213833/
Parent samples :
32202111654172f16eab4a33849af61e651680218d44e657b719b56789976561
ef986fa9ac50432d1fc1be8e0ace872cbf28cf51d967d6d35647aa3f77acf94e
44b17de7c324ff60a195215bf1a73eb41febf731f86699848e68815db5978387
2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
d6fce7f4f6a8c7c7ec013bd177f42ab0a9ef8d8ce6f505245ea09e41d33201e0
7aa0e9cbf1f38bc13f59033198c94dc657236f15cda0359881edec87394defad
fb45dfc26c736d67a8c409194b6f0e503a4519be42dfd1eaa7b7efb026d7c512
2c9c53afeadf78570137cbee063eb4446a2f2086d516b348199ed4500434c126
de84eba1dbe2c9b339c91d9f90180478b3e84a190f566d3c667d6490caa92601
e9fe0fe5cd5d59f973f1ea299c3476fbbd9e6a95f44509854286f584a313837c
6cd98e5cee60f33ca33f4e49d5f230feb6152510230abd25f8b5beab47e2afec
db097eebc2cb1af575eeb0e7278d466276ddd626cfa0bb5f0b77741679870959
SH256 hash:
2f7226553a30b70c6a343b5e036fbfb82949c42d9371294456239bbfed878e84
MD5 hash:
411c4d7b3e01e5c24b3513d544dbd037
SHA1 hash:
5a2cd1b89fe855798a07cfdc3b275a95c1661f8f
Link:
https://www.unpac.me/results/5d34b0d6-40ee-484d-a5fe-8e2008213833/
SH256 hash:
2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
MD5 hash:
71899e3fb25c4c006de92ee2d13471c4
SHA1 hash:
181e3f00b56afdf6a51a90011fee175dc80e94d5
Link:
https://www.unpac.me/results/5d34b0d6-40ee-484d-a5fe-8e2008213833/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601

File information

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

Malspam

Formbook

Executable exe 2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221581/

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