MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83
SHA3-384 hash: 7bb0e952b3dd3531697fc09709d04ebe9d0d596681f070032e788b45bf9fc2338a8580e728a8eefdd948bc0126cf8810
SHA1 hash: 6d2b00e8fc02413a15b81f16fba84d3301a1495c
MD5 hash: 902c3dc4d90c182eb72ad0880f796db8
humanhash: network-single-timing-nebraska
File name:Invoice, Packing List & COO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:945'152 bytes
First seen:2021-08-11 13:29:57 UTC
Last seen:2021-08-11 14:47:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EAIv8UTrDORFIjAPy1Ts3rbCapCh36Rh8lbJPJbqtBdcxsAXPjHK7zmzKbojReF:4vzfEW2yZs3rbC9qg9JadusLwKboM
Threatray 7'599 similar samples on MalwareBazaar
TLSH T1B015D06627EC9A17E2B937741570E26506F1BD493E31D21E6DD03CAF7BB6B809A20313
dhash icon 70e0f8eaeae8f870 (17 x AgentTesla, 10 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice, Packing List & COO.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 13:32:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ec6aac71-f65a-4ab6-95cb-34bd9e232658

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/178280/
Detection(s):
SecuriteInfo.com.Trojan.Hosts.48744.1723.25516.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
Unauthorized injection to a system process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/670d92c1-07af-4950-9ebf-2e4aaf29c42a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830971
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 463415 Sample: Invoice, Packing List & COO.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 Invoice, Packing List & COO.exe 3 2->10         started        process3 file4 28 C:\...\Invoice, Packing List & COO.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Invoice, Packing List & COO.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.modulos.online 217.76.156.252, 49730, 80 ONEANDONE-ASBrauerstrasse48DE Spain 17->30 32 www.tsftextiles.com 17->32 34 5 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 systray.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2021-08-09 11:28:20 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4u7vz4kz6u3xlm5nzsq2qk4yv2i2tsg4ot53b43w34qcc7fnnwbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09f19a43e9a0b736e9fcd33359267340b91a2ccc376c8cda72fac9754c1493c0
Formbook
160cc59f612cb0eb2cea9d77eae72641725f33eebdaf06d431d8bf409410b883
Formbook
41426800f6abacfe11baaa98f532e48b152971d90958016a943e8e0fb7967b9e
Formbook
533402c16a639ab11af6e3765d4c190f81c24f5fef39e65342a6201eaf971e1b
Formbook
6da5af0a0601c6ad4b492ed60b8e08d2fbb2858b862a7b67a26845d8cea92734
Formbook
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
Formbook
c36fa12719f133f394b113938584b1d693d4741df4e40d34958dcee239ecd153
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b
Formbook
e2e5850cea576bbc3c39a1e652f6c35e22229ab04ae734c5c7512b9ac3955964
Formbook
+ 7'589 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i6sj rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210811-bj74raap72/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ggoldcollections.com/i6sj/
Unpacked files
SH256 hash:
4d339511b1a219aec4873bbf9760310c615baa787962a3b8291f857502c17642
MD5 hash:
9fefcd4d2a665a7dcff718230d71ee70
SHA1 hash:
11becb27dc0177f32085bfd0805c658946371f5c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/85ecd19b-b41e-4a0a-8580-deb9d2388935/
Parent samples :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 hash:
69cb4a6df7cb9917a6898d639839223c5c5708c5de76930ce469c0240e517b3f
MD5 hash:
326f00a882fb79e4414068687f61669a
SHA1 hash:
c760dc5670c4744e6c8a3c90dc41dc1e721e2112
Link:
https://www.unpac.me/results/85ecd19b-b41e-4a0a-8580-deb9d2388935/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/85ecd19b-b41e-4a0a-8580-deb9d2388935/
SH256 hash:
e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83
MD5 hash:
902c3dc4d90c182eb72ad0880f796db8
SHA1 hash:
6d2b00e8fc02413a15b81f16fba84d3301a1495c
Link:
https://www.unpac.me/results/85ecd19b-b41e-4a0a-8580-deb9d2388935/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83

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
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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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 e53f5cf159f53775b3adcca1a82b98ae91a9c8dc74fbb0f376df20217cad6d83

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178280/

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