MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222
SHA3-384 hash: d675c332ac70ea5283f97e592c7fc0b1c6781e45aad59b3fb63f82bfdf56ff8bbdfda19890ea54e27d558fdfec42b4ad
SHA1 hash: 84a5518ef61ef379f27b6c907c801101892adcef
MD5 hash: d6675bbb488d9a9c9248c6ba66e392b7
humanhash: salami-video-victor-hamper
File name:remittance copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:951'808 bytes
First seen:2020-12-15 06:27:44 UTC
Last seen:2020-12-15 14:54:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Zw4SC40CMsIs1WjhLagro6CNAIH9o3wgz1XNX7XyPaaDG69xc34S36al9/8+5zW:JSC40CMsIs1WjhLagro6CNAIH9o3wgzv
Threatray 3'221 similar samples on MalwareBazaar
TLSH 28155BAD325072DFC867C836DA681C64EAA07877830BD647906716EDEE0D997DF240F2
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
remittance copy.exe
Verdict:
Malicious activity
Analysis date:
2020-12-15 06:29:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/46157ad7-f67c-4ce4-9c9f-97f230f4babb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Backdoor.Remcos.10598.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
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/562878
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
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: 330528 Sample: remittance copy.exe Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 31 www.oceanama.com 2->31 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Detected unpacking (changes PE section rights) 2->43 45 7 other signatures 2->45 11 remittance copy.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\remittance copy.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 remittance copy.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.rock-leaf.com 74.208.236.246, 49771, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->33 35 sandglasshours.com 34.102.136.180, 49770, 80 GOOGLEUS United States 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cscript.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-15 06:28:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dqnx3isnufk54s74ard7nmmrzqou7zvpkd2wmnidzwydsau5uira._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01dcab439656ed811b8bb194120735d6bd956f6cf747f97d0adba3b47d13daa8
Formbook
091f6c53a4f73bdac192e08bda0459f5e8af953a3c2b5cdee175677301a8cef5
Formbook
11ed6cc2222d5e0db7cc26544b9acf7370f2dab930e73a7268d388d73674b776
Formbook
187785c7830aff67dd03a3bf3a067e9b760cb76f7367ee42c8e4b9c92b78d2e2
Formbook
49e40687ad1ffb7ba491d92cd38333d3e96c134ba7739dcdd3e8ee2ea1b19506
Formbook
805a071c8e38fca4e3602881ff33ac7a2afba65bb61cd7adda873950bf2779cb
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
95deccdc9ef87962793e87e162d62c1d07c56dbae3b964d93e79c190f38183f7
Formbook
b55e23e6276caef1b6268fa6f0a4e1351c8640fdc434948164093e1230228ced
Formbook
d8e49c2f12a39f106cc3449ec923265bb5cd10d8b67cc58f45719c9ed4b666f1
Formbook
+ 3'211 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/201215-xad199cll6/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.danneroll.com/mnc/
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/74e219b6-c39c-45fa-af77-9c6a30223db1/
SH256 hash:
1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222
MD5 hash:
d6675bbb488d9a9c9248c6ba66e392b7
SHA1 hash:
84a5518ef61ef379f27b6c907c801101892adcef
Link:
https://www.unpac.me/results/74e219b6-c39c-45fa-af77-9c6a30223db1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222

File information

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

Malspam

Formbook

rar d0420a6724f935af0652fbe1d36570e1ceb6e22b20bc050de70f194b847df0d1

Formbook

Executable exe 1c1b7da24da155de4bfc0447f6b191cc1d4fe6af50f5663503cdb039029da222

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d0420a6724f935af0652fbe1d36570e1ceb6e22b20bc050de70f194b847df0d1

Comments