MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36. 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 2 File information Comments
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SHA256 hash: 84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36
SHA3-384 hash: 2caaf6aa36fef1c287913072af4aed1341cfdb88e7810c1d2ff2521fdb1143dd87688a0d1962cbd36ec241a659fa6276
SHA1 hash: e45df812bd954163ef9afcc08ce1f3d6cd631e15
MD5 hash: 2062adefdcd64901f9c970683917e57f
humanhash: magnesium-grey-fourteen-oven
File name:wtjp10TIE89ZSWM.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:693'248 bytes
First seen:2022-11-17 16:56:33 UTC
Last seen:2022-11-17 18:48:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:a/cjZnbCkIu/U/5s5B13zHMo+YvMt/PdWvhqoeLzDsJkAZRbWohBRCA7:aEjZnbCkIH/54TMfYvMt3dKqtLzD1Abb
TLSH T12EE439E96893696EE4B9B37E55F1A840CAB348724EC0AE2441783DC55D339D3B122DFC
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
wtjp10TIE89ZSWM.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 17:11:08 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9c96affa-e6b6-4b83-9448-c0eea8565d1c

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/335473/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.16688.32471.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637667e64dc24c6f80b85113/reports/28a8aece-f7dc-4763-b83d-66d05a123acf/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/03acc3de-b49c-490d-b320-d9de94c2b75c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116050
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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 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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748761 Sample: wtjp10TIE89ZSWM.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 8 wtjp10TIE89ZSWM.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\wtjp10TIE89ZSWM.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 wtjp10TIE89ZSWM.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.takano-kk.net 103.141.97.43, 49717, 49719, 80 VECTANTARTERIANetworksCorporationJP Japan 15->24 26 declancosson.com 162.144.15.77, 49720, 49721, 80 UNIFIEDLAYER-AS-1US United States 15->26 28 19 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 rundll32.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 08:58:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 40 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qta4mrnmakcw3k7jg7ifa5kyr76v2lcye64h66n3fy3whi5alu3a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:o0cb loader rat spyware stealer trojan
Link:
https://tria.ge/reports/221117-vf9ybaba2t/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/baa0ae64-b41f-4d01-8ced-f4f2b5d02df9
Unpacked files
SH256 hash:
22f5f85c40e610a0c32482bb6d8431b93e2b80fcaac7a9e0eb66b6f4b4c4a468
MD5 hash:
24455d426b615fb1bbb6cfe870f9e1a8
SHA1 hash:
b796a7fecb1c89686a79f26e1d27a5a15decfc9b
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
Parent samples :
0c7d7c9cf153c7c97e3e2789bc903e72ccb6b27251df20e56cf7015d5df372f5
84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36
103f121cb76ad3cf9c36c0f65e71b00f887fe9445e57562d321d43f6c9b87946
SH256 hash:
794e398eaff41bb3afab2086536da043452e8a12769c102115ab7f4ad95e672c
MD5 hash:
41e8728b124ed9e73a4344daac004b43
SHA1 hash:
4cf7cfb4a33c4df2cf3a4362dc7a77da6320e1f4
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
SH256 hash:
60ae9b5cd46046fcdcb503eab41fcb3800bdbabd1e2e70a483b56cae886b7c1d
MD5 hash:
dcd0b3d821af38000e9d9251b4b4b4f4
SHA1 hash:
e1d8902ea3a76342bd093a125d4320806ad0054a
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
SH256 hash:
2fd289507a88ef696b6238e5b8058ea3963a6bd9dab8f49287cc11f45fddb2c4
MD5 hash:
3f0eea6825703f13cc5b01453e7483fd
SHA1 hash:
a3953f576443064b04d5cdfbc724a7f62d50cca4
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
SH256 hash:
84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36
MD5 hash:
2062adefdcd64901f9c970683917e57f
SHA1 hash:
e45df812bd954163ef9afcc08ce1f3d6cd631e15
Link:
https://www.unpac.me/results/c323561e-7c03-486e-846b-c7513169aad4/
Please note that we are no longer able to provide a coverage score for Virus Total.

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

Executable exe 84c1c645ac02856dabe937d05075588ffd5d2c5827b87f79bb2e3763a3a05d36

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335473/

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