MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a. 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 2 File information Comments
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SHA256 hash: e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a
SHA3-384 hash: c6334d5c1d3ceee2fc7d00cb5b39018f8da6eaddcfc13705f36d0356f00ea297301eca2b02510b58d0d770724597c89c
SHA1 hash: b96c2d0f1ce891f701fe2753d3c42f4809fe7e66
MD5 hash: 780958d2d7daf79013ab0ca478a96900
humanhash: london-coffee-wyoming-enemy
File name:SecuriteInfo.com.Win32.RATX-gen.24096
Download: download sample
Signature Formbook
Create hunting rule
File size:1'028'096 bytes
First seen:2022-09-26 04:17:19 UTC
Last seen:2022-09-30 10:27:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:FPzdvNQuvHLATEQIawZNUVX+oqxdSrjE/6aEypKin:BZaYr4uaYaB+o6qISeK
Threatray 16'149 similar samples on MalwareBazaar
TLSH T12F25F1370BEA8B07D105767894D1C2F6A799CD01E567C39BABCAAC1FF09A435DB60324
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/313403/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.24096.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/633127ff8bbb4941c6e6b9b8/reports/07cb8702-72a4-4255-9f9b-d9f3aa497263/overview
Result
Verdict:
UNKNOWN
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/f0f85637-16ce-4315-817f-0c47b7e681b5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1077148
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-26 02:41:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5cir5wiugzfkuhn77t7flrj6fezot44ousifeoulzl4ocnrtdb5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6
Formbook
2e22d1469e5bc652bc2a5d4180e4ade7f280515b12546416dd9cea6ea4b2ca3b
Formbook
6c965da9d80ec1d06808f408eabc3bb38581c9a3a862179d5496b35320f80a81
Formbook
70d121cfabbbf118335b8ae4f6a3a072f09ce2f11bd73c711120fa9070d608e3
Formbook
c0b433e9f4a2438b5647e9e2e236747cc55e931e46da8e52531b1c70786467d2
Formbook
c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
Formbook
de0e6d11cb1128871933d5d7151b0b8d2a26e642e0eb5dfd3680fc710f4c0629
Formbook
def1e379f4f24a71f326af79054273cdc59833058d729e946ed8f0ed4ee0b882
Formbook
eac6f1cd60fd24126270243083e2b49aa88d0699b2051fa38da18746ab1ad09d
Formbook
fefe6dfd1e895647098d6bce13f51d2708d1e85604a502fd1998d4b38a3c217d
Formbook
+ 16'139 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:lsg6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220926-ewyl8aaefl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c666db00-eb30-4851-80cf-f99257b94b1f
Unpacked files
SH256 hash:
2b973882d230daec9bb453ade787729b8a2425f237a43cec483b87ab3c78811b
MD5 hash:
bebc1db2e8261b4ba9d191b90789d92c
SHA1 hash:
dc241d081836dde0be5ac13e2eb5e66af5e2b640
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
Parent samples :
ba31a3552408e0705d29a1021b662de94a2adda9f5e994ed99ac78c89ff32f18
877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50
96df49e0deef67a2fc032cf1018662606bdef066655c1f31f135ccf8e68bace5
70d121cfabbbf118335b8ae4f6a3a072f09ce2f11bd73c711120fa9070d608e3
a0bb4aba51b98f18ee5fb62cca841faf2e7aabb304300cc7d4d90125cba09d61
c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
51f2aed60e4e94e4ff442a809b63f4dd3a05b2b0e8d6dad5e595f7c2a01f892b
cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9
e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
SH256 hash:
b346f81fb36b0519b4cbadaeba6431d68ff171e100e157878edfcf29b640c648
MD5 hash:
2b6662c46c73135ea0a23ecfd7797444
SHA1 hash:
5f9c26a9010c825eab8febbd693951edfbc649a5
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
SH256 hash:
5c2c718fa6efd58ab844dc0b71eef82da0f6039a68262ead54ba50df5c0b5db8
MD5 hash:
70aea068b5ccebfc19709ba4afd91ed9
SHA1 hash:
47da63511457cd203831cca86bbcff707999d79d
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
SH256 hash:
e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a
MD5 hash:
780958d2d7daf79013ab0ca478a96900
SHA1 hash:
b96c2d0f1ce891f701fe2753d3c42f4809fe7e66
Link:
https://www.unpac.me/results/d16a69c4-989a-42ac-b4c4-936116c95dc3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e8911ed91436/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a

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

gz b9989c3d27f366520b2bcb47183dbb48c376c81bd5b9f451e1febb77ff2cd0c8

Formbook

Executable exe e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/313403/
  
Dropped by
SHA256 b9989c3d27f366520b2bcb47183dbb48c376c81bd5b9f451e1febb77ff2cd0c8
  
Dropped by
MD5 fb8226cf7faa160b7d11dff3fb2b81c1

Comments