460b518bc090022bccd81b2fdbbb0dbc6c778cf2b8d3873e81bcbf9ae4112c39

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 20:51

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General

Target

b828b68a024720e556959fc62715d513.exe
Size

1.6MB
MD5

b828b68a024720e556959fc62715d513
SHA1

61fc5ecc013c5084522a5a4994d5280019c0c2ef
SHA256

460b518bc090022bccd81b2fdbbb0dbc6c778cf2b8d3873e81bcbf9ae4112c39
SHA512

51dc6ef9cad4fe5d0dcc461bcef2a653afb08152abac179a1e1aabcaa9aa6a7b3c52fc53e948a742b1cea37a9a4a868af2989a6d49a803200880b357cca4961e
SSDEEP

49152:5afxQ9o9FoeuaKeV/ZoO6ZRuI/WVrM/C0PinXBgJ:Q2+9eHshZ6y9M/6RgJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2360	b828b68a024720e556959fc62715d513.tmp
2540	rkverify.exe

Loads dropped DLL 8 IoCs

pid	Process
880	b828b68a024720e556959fc62715d513.exe
2360	b828b68a024720e556959fc62715d513.tmp
2360	b828b68a024720e556959fc62715d513.tmp
2360	b828b68a024720e556959fc62715d513.tmp
2360	b828b68a024720e556959fc62715d513.tmp
2360	b828b68a024720e556959fc62715d513.tmp
2540	rkverify.exe
2360	b828b68a024720e556959fc62715d513.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2360	b828b68a024720e556959fc62715d513.tmp

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe
2540	rkverify.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 880 wrote to memory of 2360	880	b828b68a024720e556959fc62715d513.exe	28
PID 2360 wrote to memory of 2540	2360	b828b68a024720e556959fc62715d513.tmp	29
PID 2360 wrote to memory of 2540	2360	b828b68a024720e556959fc62715d513.tmp	29
PID 2360 wrote to memory of 2540	2360	b828b68a024720e556959fc62715d513.tmp	29
PID 2360 wrote to memory of 2540	2360	b828b68a024720e556959fc62715d513.tmp	29

C:\Users\Admin\AppData\Local\Temp\b828b68a024720e556959fc62715d513.exe
"C:\Users\Admin\AppData\Local\Temp\b828b68a024720e556959fc62715d513.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:880
- C:\Users\Admin\AppData\Local\Temp\is-7HBBJ.tmp\b828b68a024720e556959fc62715d513.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7HBBJ.tmp\b828b68a024720e556959fc62715d513.tmp" /SL5="$400F4,1170460,54272,C:\Users\Admin\AppData\Local\Temp\b828b68a024720e556959fc62715d513.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\rkverify.exe
    "C:\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\rkverify.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\Games.inf

Filesize
1KB

MD5
1044bd008f69b4d698c2f017a866e548

SHA1
9f17ebcdfdf5d8609bd539720486a2e867f48a2e

SHA256
7ad44ed863498374c67110cbef7af587606b03735c922bc066a840c7ea728951

SHA512
6b3d66251a24bcb6d317fb947250c6e904a75de5efe86dd874d70b1117ff7f982129f7fc231499b1c8eb465c83241308b13356900ea492f61bd0e595261fc36c

Download Submit
\Users\Admin\AppData\Local\Temp\CSM6816.tmp

Filesize
160KB

MD5
5ac09190daf249c3e93c3ac961067024

SHA1
bad9c0d552d54310f669d66b549dcada90583812

SHA256
f4934185f75518a13ef5425959f47516cc8467f513e838a82e749ffb782d7e23

SHA512
2a87686c038e8a34f8e04a844726de564a08baeedc87632219b86f455d5222efe2ed7557fad9658627e304d916a75cfcb3c9dede4e72057a070f64370aa52f39

Download Submit
\Users\Admin\AppData\Local\Temp\is-7HBBJ.tmp\b828b68a024720e556959fc62715d513.tmp

Filesize
688KB

MD5
c765336f0dcf4efdcc2101eed67cd30c

SHA1
fa0279f59738c5aa3b6b20106e109ccd77f895a7

SHA256
c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

SHA512
06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

Download Submit
\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\isxdl.dll

Filesize
49KB

MD5
02ecc74f7f91e9ffd84de708683236a6

SHA1
3532de0b77df8b0fc89e9c7eddec3fa71f98f5a2

SHA256
30ad8a0e1cee091ca48c771adb2e76baf1a7d54b9f60dc47f54dfdc2d6f6691e

SHA512
a3fdaa651f82428395bc412a2a04fce673768d3ef088b3748addf337d95464eb141ae7c286bff5c705eae05dd7b38207629588ae7e89ada15269463cd7acf541

Download Submit
\Users\Admin\AppData\Local\Temp\is-DFQD3.tmp\rkverify.exe

Filesize
268KB

MD5
020ce95075f8c93e6cc957953d7f4589

SHA1
e192a200e36974b8e0637230a8cb5905090f7555

SHA256
df9d068202c060a898cd441d5c170686cd9c2774a37cfda3ea10abc428e20ad3

SHA512
fb74170ed9b5ee078a176540c198513ed3a8c2e587fbcbf6d2384f840f0b6a2637fd20b6a01b2caf6e92e5f592d517b4733d34fdb349fd770eb04e1eac769170

Download Submit
memory/880-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/880-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2360-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2360-64-0x00000000075A0000-0x00000000075C8000-memory.dmp

Filesize
160KB

Download
memory/2360-66-0x00000000075E0000-0x00000000075F0000-memory.dmp

Filesize
64KB

Download
memory/2360-68-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2360-75-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

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