MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f
SHA3-384 hash: 09739e056250bb1fa9b5b87756cc714494bc004d88133b4f1c53392b788a15dc4f52b690f367c1698329daca6e9ed9b8
SHA1 hash: eeadaddb9efa8c42ee11d74d6e8fc2e90be2a796
MD5 hash: f2e182347d386d3df01b4e0c00eb8ac9
humanhash: illinois-steak-saturn-delta
File name:Purchase order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'454'080 bytes
First seen:2025-03-28 11:19:40 UTC
Last seen:2025-04-08 08:49:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:yA3E5TS6EyqAIz3MUMknp2Fuzt03NYlrj2aUxfyrjQD/VGcc1aXBnCggTz:n0rEyqTz3ekn2umQaOH89EchCgy
Threatray 2'970 similar samples on MalwareBazaar
TLSH T11D65220673E98A57E2FD4739D03746048732ECAAE714E70E5964B5ED38F3340A9523AB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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
dhash icon 5ca9b3b1b0b1b3b3 (4 x Formbook, 2 x MassLogger, 2 x SnakeKeylogger)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
424
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order.exe
Verdict:
No threats detected
Analysis date:
2025-03-28 11:26:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b4c6e9d8-4bf7-4090-80b1-0aba93fb7384

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e686cf855e5ec52409135e
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67e6860309c39f5498b660f3/reports/b6e1a7fd-b0c3-460e-8276-352e8ec84210/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/32d1ce4d-c33e-4e48-94df-1c8025714a11
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1651062
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Performs DNS queries to domains with low reputation
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1651062 Sample: Purchase order.exe Startdate: 28/03/2025 Architecture: WINDOWS Score: 100 28 www.mslgdkor.xyz 2->28 30 www.v153cbo9xcl49.buzz 2->30 32 2 other IPs or domains 2->32 40 Suricata IDS alerts for network traffic 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for submitted file 2->44 48 6 other signatures 2->48 10 Purchase order.exe 2 2->10         started        signatures3 46 Performs DNS queries to domains with low reputation 28->46 process4 signatures5 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->60 62 Writes to foreign memory regions 10->62 64 Injects a PE file into a foreign processes 10->64 13 InstallUtil.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 iveUJ72crs3yyPj.exe 13->16 injected process8 signatures9 38 Found direct / indirect Syscall (likely to bypass EDR) 16->38 19 forfiles.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 3 other signatures 19->56 22 iveUJ72crs3yyPj.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.mslgdkor.xyz 172.67.205.132, 49693, 80 CLOUDFLARENETUS United States 22->34 36 94950.bodis.com 199.59.243.228, 49694, 49695, 49696 BODIS-NJUS United States 22->36 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f/
Threat name:
ByteCode-MSIL.Trojan.PureCrypter
Create hunting rule
Status:
Malicious
First seen:
2025-03-27 16:31:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ll5if6m4xq42a5ssudfe4pulmfzyd6gqdqdtcmatvq6njadw3rhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d5b68fa439a89fc622900303699995b94eea83aca088f91bf47046e6a5f3689
Formbook
1b72e6203b4d26cbe44b55e7df27b3477badd3270cf900bb13c2af47bed80516
Formbook
2e026a7538a02673cb6d0f7b3592c08d35a9a00cc94c553a7ac17a93533d81cd
Formbook
5df3cc983cea806c5bda3747bce97f051997d14cf692f2128fb2ad575e56f049
Formbook
7aabe82adaefd4fe013b563b342ff838479a0e0e2288a478e1ab917d16160e11
Formbook
7ddfab3f35b6f88fb260ff34b79cf578e9cd20501fa76ed8cce90520115e1e9b
Formbook
7f1764a28d27f381701d9254166241607a37a02eb2fe80d682baf15236da5b7e
Formbook
error
Formbook
f187477e8a50704b32afbd5b4c8bae9fb10909137dbf87feaa89bb6d2f552f4f
Formbook
+ 2'960 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/250328-nflgdsvxbv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/16830fed-befc-4740-a9a2-63067b0f9e16
Unpacked files
SH256 hash:
5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f
MD5 hash:
f2e182347d386d3df01b4e0c00eb8ac9
SHA1 hash:
eeadaddb9efa8c42ee11d74d6e8fc2e90be2a796
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
SH256 hash:
8b4a31dd7afc7504e2983033eb6a60b7b38b912450aa55b630223098cfe67269
MD5 hash:
d6e08bb198f670b8ca4f3373b028ef32
SHA1 hash:
8fd14648b12020f243e7d41b785da81090f1493b
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
SH256 hash:
50dd87084004037338ab2c233706349d452a2f977748ae920a16bd9315e85951
MD5 hash:
6f6ebaf5617063ec8590b81f0ea3a1bd
SHA1 hash:
12bb6468cf5d3f3b378ca47c2588952705eb1689
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
SH256 hash:
af89f730a92bd602bfd75b497b7cf3b6370f74df1d412ee81853444ce5ddc347
MD5 hash:
701fefe37720d74630ac09fefbe40752
SHA1 hash:
b9492c8d675fbc4f11dfc08b25fa6fa92eddc3eb
Link:
https://www.unpac.me/results/be70b042-a602-4ca4-8f9a-6adf024b7c62/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5afa82f99cbc/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/5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 5afa82f99cbc39a07652a0ca4e3e8b617381f8d01c07313013ac3cd48076dc4f

(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 (GUARD_CF)high

Comments