MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42
SHA3-384 hash: a8d5d34fff4d3a50f985cc905db057ff217ac9564305a45911577f65e4b609104994378517bfd8453c91c3e902257fcd
SHA1 hash: d7b1c3ad0507bf1959ab8b01e4371bc9d2cc6a65
MD5 hash: 8e82dce6cbe018a709f7f5cccbc4efff
humanhash: floor-batman-mike-alabama
File name:payment slip-002044040440.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:469'504 bytes
First seen:2020-12-08 07:51:59 UTC
Last seen:2020-12-08 09:30:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:0iwODQtk7gaPqbLXb2wt/lLsJeewTZr8Txzz+LfvkUG6/nXsMRWfQzCoXgPOaXwr:ijeEXh814Zt8GzCO/MKB
Threatray 3'149 similar samples on MalwareBazaar
TLSH 75A4F13202566F9FCB7D0F7B954425108EF4B42BBA12F39CBEC090C505E67988E65EB2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: host8.axxesslocal.co.za
Sending IP: 154.0.175.45
From: info@aas-shipping.com
Subject: shipping & payment papers- 2 copies
Attachment: SHIPPING COMPANY slip-002044040440.r11 (contains "payment slip-002044040440.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment slip-002044040440.exe
Verdict:
Malicious activity
Analysis date:
2020-12-08 08:46:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a9cae406-6002-4d85-9369-ab181e10c6f5

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/107187/
Detection(s):
SecuriteInfo.com.Variant.Bulz.252235.24539.19024.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/557689
Signature
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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)
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 signatures2 2 Behavior Graph ID: 327941 Sample: payment slip-002044040440.exe Startdate: 08/12/2020 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected AntiVM_3 2->39 41 Yara detected FormBook 2->41 43 4 other signatures 2->43 10 payment slip-002044040440.exe 3 2->10         started        process3 file4 27 C:\...\payment slip-002044040440.exe.log, ASCII 10->27 dropped 13 payment slip-002044040440.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 cbysoft.com 89.42.219.68, 49739, 80 ROMARGRO Romania 16->29 31 www.hbsxcfs.com 156.252.102.136, 49736, 49750, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 16->31 33 25 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 wscript.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-08 07:52:14 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4bfmr3b6cptayf6bvmj2zneg4ltaq57ejnvd52fj4nzkiximrzba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
17c7eb5988e11440ac66fccc2a9c8ada3ab1e7183480ddd05ee3a47b19a95f9b
Formbook
2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe
Formbook
2919a5d96ade5e0f2967d98a7b49b1f612435ed6a6b3843424a8c1e99ea0e9ab
Formbook
2bda7325843b48687e064e2abeeef3f5eae5865fceccbbb0ad5229fcf624bf40
Formbook
6d923f02c2252e4a2ea98a8685fc5237354e2853791855f1a451a390dd85cbb9
Formbook
9f5779b1c4f0c33f93c5745623a806b3a3de57f574b05bbd15a46c3b64eea592
Formbook
e4a37068ee17c112f9d33e3151e260f85e9a8b200b4958caf569cf6076447ea1
Formbook
e78b5071209858cdcb5ce02f7df3c3fb857088f7088b964791d289c789451e67
Formbook
edb4639fe2eeb567856790fc73f716baeea57ab54fc91e31f49309009978de55
Formbook
f38659e0b47cf0d1c0a61aa87256fdf60d04b2f41a935995b2346849f2f6b246
Formbook
+ 3'139 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/201208-gjjel697r6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.peacesoldier.com/2igt/
Unpacked files
SH256 hash:
e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42
MD5 hash:
8e82dce6cbe018a709f7f5cccbc4efff
SHA1 hash:
d7b1c3ad0507bf1959ab8b01e4371bc9d2cc6a65
Link:
https://www.unpac.me/results/2d207d55-df54-40e2-aacb-1b9670bb0457/
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/2d207d55-df54-40e2-aacb-1b9670bb0457/
SH256 hash:
038b167bdb12e427846c4f94068502ae7ba2660e475e4467a1a8bf2d63f1dec4
MD5 hash:
bba4bf8798d31cdfdc39317a84dc70b0
SHA1 hash:
87ba61405d35199fce3c1271ccc65e70dc7dacc7
Link:
https://www.unpac.me/results/2d207d55-df54-40e2-aacb-1b9670bb0457/
SH256 hash:
23eb374efafbb805e9c2d37b9c86a004fb0bfd77a64f63469b5cf7743ff17dc9
MD5 hash:
984526bc2cd1867981761fbd1e3864ed
SHA1 hash:
3710137cbb59b21bec559e2b3d156a0f75b545da
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2d207d55-df54-40e2-aacb-1b9670bb0457/
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/e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42

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:SUSP_Reversed_Base64_Encoded_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an base64 encoded executable with reversed characters
Reference:Internal Research

File information

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

Malspam

Formbook

rar 8860566d20c994ba8a2a0446b7708a263422fd874e9d8997ac3e7b9929c8848b

Formbook

Executable exe e04ac8ec3e13e60c17c1ab13acb486e2e60877e44b6a3ee8a9e372a45d0c8e42

(this sample)

  
Dropped by
MD5 1b789dc789bbb54c371ec15cca8b4469
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/107187/
  
Dropped by
SHA256 8860566d20c994ba8a2a0446b7708a263422fd874e9d8997ac3e7b9929c8848b

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