MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
SHA3-384 hash: 33656263a96e39b2147ff5f814813e2f37d009fea8fa6be9c77da71ae79c8f792c85a70a657041e11dc75770a4f06782
SHA1 hash: 70801ee165542e5bc854bcbac39e8137764b7c73
MD5 hash: d36dcb9ca58c9c1a111776a75621662b
humanhash: shade-comet-hawaii-sink
File name:PO00211240906.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:785'920 bytes
First seen:2024-09-06 19:29:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:et81UoIG5MPU3pvjCa8ZUAlW4oBFqzh/ppnNjBbRlJoZPKUHC6fLsePSARQcDk:BUobywpvXOUAMzTipnNj9JoZPK8C6fLw
Threatray 28 similar samples on MalwareBazaar
TLSH T124F4120537E88B25C47E97F4B56001190BB06A56FAA3E75A4FC1E0F61CB2F3149367AB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
420
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO00211240906.exe
Verdict:
No threats detected
Analysis date:
2024-09-06 19:30:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2462d53-910e-44d2-a4f3-e5c237d20a85

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47861.32171.19280.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66db583c8e12b8124ac96845
Tags:
Generic Static Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/66db583bc6168b0c1c97ddf5/reports/7794f31f-a2eb-408b-9678-053e789f88e3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06df1ffa-c7b1-4116-94b4-e085803b0f5f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1505813
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1505813 Sample: PO00211240906.exe Startdate: 06/09/2024 Architecture: WINDOWS Score: 100 33 www.xsg.icu 2->33 35 www.ugdwjjaks.christmas 2->35 37 10 other IPs or domains 2->37 47 Suricata IDS alerts for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 10 PO00211240906.exe 3 2->10         started        signatures3 process4 file5 31 C:\Users\user\...\PO00211240906.exe.log, ASCII 10->31 dropped 65 Injects a PE file into a foreign processes 10->65 14 PO00211240906.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 fGqbQfKlDFJt.exe 14->17 injected process9 signatures10 45 Found direct / indirect Syscall (likely to bypass EDR) 17->45 20 mshta.exe 13 17->20         started        23 ctfmon.exe 17->23         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 25 fGqbQfKlDFJt.exe 20->25 injected 29 firefox.exe 20->29         started        process13 dnsIp14 39 www.marchingnorth.shop 15.197.204.56, 49719, 49720, 49721 TANDEMUS United States 25->39 41 ey9.info 96.46.181.218, 49725, 49726, 49727 SERVERS-COMUS United States 25->41 43 5 other IPs or domains 25->43 63 Found direct / indirect Syscall (likely to bypass EDR) 25->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-09-06 15:52:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fsfuh7lfue7cp7mwb7a5lgk4tyg4mpkmqcad7xqoiuc55bvddbva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07374ff867cc60e550cbae355fbb87e46eb76fc7cd74ba4005125d1ac3329e52
Formbook
4f5496e1edad1f8190cef6d8801cfe9f0f19063913230e413e790986b0e47184
Formbook
7bdca91211afbb94f733d78892cf0568a79e63ef230b5dfa919966e73b26717d
Formbook
82f56f119581c6a7e6a15eb44ac73930967ea308be4176acdfd9e383386c436f
Formbook
f145869f71b3a2caf5f0a6ee1b2425efa2b15b1a0344443dfcb63dcadf954534
Formbook
fca9f9323e43242411c9cd339b86c9aa465c6d59adc66bb6492eb237d5435446
Formbook
+ 18 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240906-x7r8patgnr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a4b93cfa-9197-43a8-8b29-11412522d12d
Unpacked files
SH256 hash:
bff286f985c22b56c9a653ac87df8f5c45051c63aee3f995ea0f937ae2faa22c
MD5 hash:
9b7abd2ff2fdcf612068ac28b7a2cd3d
SHA1 hash:
bb98e052dee85287d71fc2bf8c6314b7a4fff096
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
Parent samples :
2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
5f34961a8ffa3b3a50b309877283e04db10c8d9ad4ed4dc4d810029e12aa1bd7
b246a081a4c5a68590f53f2e7564a770df3d2aa16272f49ee2ad2d2b8a6d1005
f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e
df3c78262e1d216441fe9888920c87ee92fd963b4b3823e3e99b208b8b5b6101
7a54497b3213ca0a232b8483c0f23046b9d51a6c9816f768ec30094a72c47a9a
aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43
SH256 hash:
de9a19e98075663d459f5af6dee73ea137d7e80b924f2857dbc96a7f4fd449fa
MD5 hash:
aebcb745b8ac53dd84499e3e54e49092
SHA1 hash:
04634b789823299495ba2a3fbd7923347e2df0be
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
SH256 hash:
769e0bf3e997bbb7d70322fc3dea9d8f167847b9262a35246dcbf9e1169b45b6
MD5 hash:
59a95cbe93818b6b7172c2e17234416e
SHA1 hash:
7c44bacb857916b1b2307d822fcf3f92a3902fc7
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
SH256 hash:
90a1910b6a0c829ac2f0cdb1151e4a1ca5face2db99252bbdf608f595054f6f8
MD5 hash:
aaaffc898e9497dfb991852727b9310c
SHA1 hash:
1eda1194ce641aaddc94f1ce0fff0d674cd9652f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
SH256 hash:
2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
MD5 hash:
d36dcb9ca58c9c1a111776a75621662b
SHA1 hash:
70801ee165542e5bc854bcbac39e8137764b7c73
Link:
https://www.unpac.me/results/c73e1d6f-3f7b-4d38-bd8d-a8395a651ef0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2c8b43fd65a1/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/2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a

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: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 2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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