MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
SHA3-384 hash: 7d409baba1edd036d8e38389985096e76e2f2fb1e81ab634f27b28e84e94ebf0dc0889ade2acf03a14eb51217283aa7b
SHA1 hash: a689e4386bc380ffbacef832f49d7984bb2d19c9
MD5 hash: a1e4e121c1bf7157a4b99f5f47492c80
humanhash: quebec-kansas-potato-coffee
File name:SWIFT COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:533'504 bytes
First seen:2022-03-21 15:39:09 UTC
Last seen:2022-03-21 18:14:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:6TxWy/E+/Ig8W0+5mBQBLXR4Q4d6lNm7uwDiH2ZkxqFxPvcfznnHNou2FP:akyz8W0+5moOOLwDiH2ZkjfrHNV2FP
Threatray 14'296 similar samples on MalwareBazaar
TLSH T1E3B49C3F15696377C97BE6358690142AF690D5EF3902AC19EE931B800D131CB7FC6A2E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/253670/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.27012.27517.25200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62389c22dfdfa8501cc78112/reports/731d4fb7-77ae-4b3d-8120-6e5b0e7d501d/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/1d7f2db1-caca-4a90-bfa1-f21d28db83c5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960920
Signature
.NET source code contains very large strings
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-17 17:24:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2wdorfbeqf2uc5guumyozbfxdcs3wxpznxgll7ao7lrwe4tvzja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00d8e033e68ffe5f290339a1e00193b0376814bc8a27c8978b9b5e0de6b2823f
Formbook
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
Formbook
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
Formbook
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
Formbook
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
Formbook
9cd0bbacb06bc4a961772ad5dac574736247fa7604116855118ecabb6926643b
Formbook
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
Formbook
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
+ 14'286 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sued loader rat suricata
Link:
https://tria.ge/reports/220321-s3pjsadfdm/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a41a4410fcd97b74ff170c987ba9600d76b217ca90833d7e4d1ad69cae514d92
MD5 hash:
75d7a79c712fe0b2b6b5ccc842b2b858
SHA1 hash:
cf9e8feef4effcf93c63087ed21b115be8c4ef79
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a0a888c3-d75d-4ec4-af74-91f02932468d/
Parent samples :
952fbe116a1aac4f0082519a0dc920ee5dc48e58fe85abcc27b82ecc0ac4e54f
07ea6a87a1ac2a5363e7756a8994f7ed8b971b94cef918803ab3b6dbe9e6b845
13641ea4fdda43b2a6ffda4fab498971e24d0ae9b594de32f8c9dc7adc36a291
00027d11309d55312ae77f32d4ae79671c91f541e577bace7a5a5abde05563ad
a97609f1fba62176ab743d20619f5dc76e660c19fe1640620fa71be956073642
9841e5cc12d3619ffd5acb390632a01d7cc447af772967cde621d8cd4d7ffbe6
14814de29a97d78c562d283a935b231c5f1743e51eba50c5803c38d9a30902b9
d9840f509c83b94daf1538a67e42bed08eb5578d16a82130f9bb4c0021682b43
a10514b9a622369f9e922896ec542e856068d2a4a10bc8808436bfd88a2e44f2
687269adbd2c39527574f47f87e641e50e1b0f76a7595e16da138ddb23934a1f
1afe58e06e1d4d066bb91b814d50e47351bdbc8a8d02b08a0e7b7f2b9126d796
11011a715ef9903ff51404d2ed9e5690db9e44ee62633a4a620fa456111c7c35
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
65e4e564b8d0f3b181058ed54bac710b63862b172362c0c7fabb4750a80ffe97
4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
SH256 hash:
105faafda4b8880e696a3745d2dc8d5703947fef02e97e1af58558cd9ead1efb
MD5 hash:
10aa9397e86ec7c9c6db923b539c275a
SHA1 hash:
d0ddbaab85b62ac787bb571dfc8db3732743ef07
Link:
https://www.unpac.me/results/a0a888c3-d75d-4ec4-af74-91f02932468d/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/a0a888c3-d75d-4ec4-af74-91f02932468d/
SH256 hash:
4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52
MD5 hash:
a1e4e121c1bf7157a4b99f5f47492c80
SHA1 hash:
a689e4386bc380ffbacef832f49d7984bb2d19c9
Link:
https://www.unpac.me/results/a0a888c3-d75d-4ec4-af74-91f02932468d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52

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 4eac3744a1240baa0ba6a519876425b8c52ddaefcb6e65afe077d71b1393ae52

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253670/

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