MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef
SHA3-384 hash: 7693a6ce8011b377ae6feaf60143d10a42640761fbab3a840ee6122a1bef781b63fa1e34712950f97a617bb3142ae50d
SHA1 hash: a0a4476efd97c15ef1e4d8209f88d8777c7341b6
MD5 hash: b26a573cc888e7ee950745108cb6305c
humanhash: michigan-artist-eleven-ink
File name:Purchase Order 75MF3B84_Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:484'352 bytes
First seen:2020-12-21 14:14:02 UTC
Last seen:2020-12-21 15:47:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:lBIUgV6KCbC2lsapzN28b6wqJkINc5nd8s67UBPL5Pc:LIbQKmzNfWzJkINcZ6oN1P
Threatray 5'018 similar samples on MalwareBazaar
TLSH 63A4DF1237696B67D67FE7F8246AED0003B5E91B211FE2494EC3F9EA196DF104A11E03
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 75MF3B84_Pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-21 14:15:10 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fd34cd91-27be-44b3-9bb5-9f9ec3757011

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.10878.23990.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/567415
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 332789 Sample: Purchase Order 75MF3B84_Pdf.exe Startdate: 21/12/2020 Architecture: WINDOWS Score: 100 31 www.workonlinetimallen.com 2->31 33 www.oiltankremovaljc.com 2->33 35 3 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 10 other signatures 2->49 11 Purchase Order 75MF3B84_Pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\Purchase Order 75MF3B84_Pdf.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Purchase Order 75MF3B84_Pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 refugiodelmate.com 192.185.225.203, 49766, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 www.jdallmed.com 154.196.155.60, 49767, 80 HKMTC-AS-APHONGKONGMegalayerTechnologyCoLimitedHK Seychelles 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 raserver.exe 18->22         started        signatures11 process12 signatures13 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/628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-21 14:13:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mkbwpmpaq2fvh4nzptsxpkpo5mo2f3a6co3azwneuap22fov7txq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1288ae44d28cad478afd6fae196164f297b8656977fd2ac34d08ab5877a5b795
Formbook
4e98a7f7084a5fa80d8e1dd45e8b8f8a1f9fc891d223cc265524cfcfe3c57c0b
Formbook
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
Formbook
7e74cfc4a2605df540dbfb41d98d31a5ed80f24011687006c6818c72a0dab0d5
Formbook
80f733776515fd3c59c8be1c08bbbb9a257b02bbb2c9228c0a8831f846562508
Formbook
82bce2eb0b0f2675b0ac41f33e8018bad765caeb084cfe7a6035fc4d9ea8f7ec
Formbook
88b677a3b0b552141610da3b5b9a73f40e705a16cec821c73ea01a55fbf8202f
Formbook
90ce350a15e0ca0d408b4b8744e51e7c87b6962eee67f1aca9bfb167ddb5106e
Formbook
d085d4d4370b02036dfe9de7c9061d88a8a5cd12cbced6dbdca9ba217112375c
Formbook
fa1c05c7ea1e94e08982755ca1d13051a6cd334fa3e93aa98b5bcc2ebb910f59
Formbook
+ 5'008 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201221-2nbnhq2hpx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.workonlinetimallen.com/dll/
Unpacked files
SH256 hash:
628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef
MD5 hash:
b26a573cc888e7ee950745108cb6305c
SHA1 hash:
a0a4476efd97c15ef1e4d8209f88d8777c7341b6
Link:
https://www.unpac.me/results/d29c3423-93b6-426c-895c-6d43b77e7196/
SH256 hash:
63382ccf13da72d635658abce7d1fd2b6c32cac44af705f604eb8f30a24e87d0
MD5 hash:
2cb724523167aebf4aa472d33fe28160
SHA1 hash:
ce713a3f87ec6001f5b8a823f89d0589d596d215
Link:
https://www.unpac.me/results/d29c3423-93b6-426c-895c-6d43b77e7196/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/d29c3423-93b6-426c-895c-6d43b77e7196/
SH256 hash:
27169ffd7443797c58d4fa71f1d3fcf6ef963752c9f086ae33f1061a2a9ef09f
MD5 hash:
ac2e021db43af46a6f45f6f844e5171e
SHA1 hash:
82b1053795d5eda0e48e7a0555f1c89f86fe2ba1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d29c3423-93b6-426c-895c-6d43b77e7196/
Parent samples :
7e74cfc4a2605df540dbfb41d98d31a5ed80f24011687006c6818c72a0dab0d5
82bce2eb0b0f2675b0ac41f33e8018bad765caeb084cfe7a6035fc4d9ea8f7ec
628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef
cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7
5ae079397458f932dc10cf8b9e9aef020131172e2a0d7dfb43050ff12eb89865
23b82d55e4e538292a0f0b0b3e05fb2dd6405b9f001110cb212f20f838f191ff
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/628367b1e0868b53f1b97ce577a9eeeb1da2ec1e13b60cd9a4a01fad15d5fcef

File information

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

  
Delivery method
Other

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