MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
SHA3-384 hash: 0a538fb83cba44d1e6e5a67347989869c54f8515b9f4ea65afa0aad49937a18b9e43df34c83ed7d86b5d3c547132e9b2
SHA1 hash: 64fd119e47a824773617ffac5d43494bbb59a81b
MD5 hash: 78de3cba5cc48be70868658523b02e1d
humanhash: edward-queen-alaska-pip
File name:1Y3gZBfpAEHOoYa.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:713'728 bytes
First seen:2023-11-27 07:48:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/i4XVc1KQrnCMF4aA8cebZrVQyKchmI6B4t4tmgvc2XaMtod7BR6wT:/i4XiCSfAAbZrd1FtsTv0MqpB
Threatray 448 similar samples on MalwareBazaar
TLSH T16BE4F18032F85B46E07EABFA59B0951447F6397A7931D30D8DC220DF2E61FC18A52B67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f278acec0e061414 (8 x Formbook, 3 x SnakeKeylogger, 2 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460528/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.AKFO.tr.1199.26226.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656449ef1abc4cc67cef6be3/reports/b18f9596-f763-49c8-b57b-b6769c1fed2b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b9e04af7-7163-4fcc-ad3a-e7d43b853543
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348317
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348317 Sample: 1Y3gZBfpAEHOoYa.exe Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 30 www.improvisable.xyz 2->30 32 www.spravkat-magazinx.com 2->32 34 3 other IPs or domains 2->34 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 48 10 other signatures 2->48 11 1Y3gZBfpAEHOoYa.exe 3 2->11         started        signatures3 46 Performs DNS queries to domains with low reputation 30->46 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 1Y3gZBfpAEHOoYa.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 44 7 14->17 injected process8 dnsIp9 28 www.spravkat-magazinx.com 104.21.88.235, 49718, 80 CLOUDFLARENETUS United States 17->28 36 System process connects to network (likely due to code injection or exploit) 17->36 38 Uses ipconfig to lookup or modify the Windows network settings 17->38 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-11-27 03:06:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yde23lorcp5awi6wovamsihtnso5slrzf3znuvuhog6v25fq4kpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0eab8b2bd23f7d06734b61ba357c9fab1d97758eeb5afe2bd89fc293b88a8674
Formbook
129156f77f3dca373d74c668a7e4250e0812fb36bdb926aeb2ef0dec4c122846
Formbook
433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415
Formbook
6282a84266a87aa1e62b1304913bfdc8ce4c122f59f5731503f78655beaaa27e
Formbook
6a14e79be0398899cfc53dc234f9e51f13705afe8b2cf15c404923bb6706ea09
Formbook
8195afbce4ef411cd0b1ac7cc27e3d66b575df16a5433b60aa0e7a3529f465ef
Formbook
b53da778b0496c07c9ce9532c3a127f8e9cf08fc5d4b7d81a5bff05823deb28d
Formbook
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
Formbook
+ 438 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy11 rat spyware stealer trojan
Link:
https://tria.ge/reports/231127-jnnt9sfb2v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b68e668ce82d6dc114056a87afdf2468abf1b3a9e74e2cba37c93f62aa767fdf
MD5 hash:
0727e09f453b6d303738ead856964360
SHA1 hash:
d6b304de34de74a9a40b05b2af28f53aab12493b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/c4d2e87e-ce0b-4a6b-beb0-7d7c1b4e2fc0/
Parent samples :
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
433f52dfeda7fdf7af9b7bc1b34bcf0f31b89d5ca460ab1adad42cb67bb13415
c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
5a014c96f5a3582782e8f58c0eecaea1939d0fa531a7937f7c1b9a89f53333be
1f92a8f73f872a9f016a80c61c829734abfe89e1148a8f38e885a534b64b3141
39ee34923fc77f5cacd1210dd87e95c101cfb53b947de24da39f82152afa0f4c
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/c4d2e87e-ce0b-4a6b-beb0-7d7c1b4e2fc0/
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
Link:
https://www.unpac.me/results/c4d2e87e-ce0b-4a6b-beb0-7d7c1b4e2fc0/
SH256 hash:
eb69bed41485afd01e743eaa6e41a0039762a1daa9a068232d6526b7a6bc7a3a
MD5 hash:
16ef9e0c728c3461d7754b1325c0e2bd
SHA1 hash:
2e3b3d2d32c42b3dfc2a8028b8aa44e7eb4d7bf7
Link:
https://www.unpac.me/results/c4d2e87e-ce0b-4a6b-beb0-7d7c1b4e2fc0/
SH256 hash:
c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f
MD5 hash:
78de3cba5cc48be70868658523b02e1d
SHA1 hash:
64fd119e47a824773617ffac5d43494bbb59a81b
Link:
https://www.unpac.me/results/c4d2e87e-ce0b-4a6b-beb0-7d7c1b4e2fc0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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

Executable exe c0c9adadd113fa0b23d67540c920f36c9dd92e392ef2da568771bd5d74b0e29f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460528/

Comments