912e2b3852a85d651a08efe238290f759bbadebbc79772b989aaa57b5857e4ee

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 19:54

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General

Target

earlyBuild.exe
Size

6.1MB
MD5

c78621d331c1b49744b469ba7dd7f414
SHA1

83eb55f7728c7f9d7cd83d398ab1ced176b082b6
SHA256

912e2b3852a85d651a08efe238290f759bbadebbc79772b989aaa57b5857e4ee
SHA512

cd195b0338659e8d295f9ed2eb8d3002487c3c1320935197dfbcc195e2af8940aec8933251f2e4df3a91ebeeba2fa8074f51b606ccb040200476e6ac467ee0d0
SSDEEP

196608:bSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:OkSopwtQQl2aOtXADu8X9Y95GQLJ

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com
8	raw.githubusercontent.com
9	raw.githubusercontent.com
10	raw.githubusercontent.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
936	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1816	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	earlyBuild.exe
Token: SeDebugPrivilege	1816	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 1828	2604	earlyBuild.exe	30
PID 2604 wrote to memory of 1828	2604	earlyBuild.exe	30
PID 2604 wrote to memory of 1828	2604	earlyBuild.exe	30
PID 1828 wrote to memory of 1404	1828	cmd.exe	32
PID 1828 wrote to memory of 1404	1828	cmd.exe	32
PID 1828 wrote to memory of 1404	1828	cmd.exe	32
PID 1828 wrote to memory of 1816	1828	cmd.exe	33
PID 1828 wrote to memory of 1816	1828	cmd.exe	33
PID 1828 wrote to memory of 1816	1828	cmd.exe	33
PID 1828 wrote to memory of 936	1828	cmd.exe	34
PID 1828 wrote to memory of 936	1828	cmd.exe	34
PID 1828 wrote to memory of 936	1828	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\earlyBuild.exe
"C:\Users\Admin\AppData\Local\Temp\earlyBuild.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\82a5a6c2-931e-48c9-bb8a-59e29552f413.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:1404
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 2604
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1816
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:936

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\82a5a6c2-931e-48c9-bb8a-59e29552f413.bat

Filesize
152B

MD5
3d7b6531bc882fc994dcc270a4f17567

SHA1
088b99e6fa7f339fc02af86f4b8c8eeea463c7cb

SHA256
f24a2272e13077ffed942a2a26267b5f275f98e2dde626372da34706e1be3051

SHA512
d8052df7a49cd3380f67a8e892d1a80684163b39def7d4cd1c05289b7c09e276cf2617dde5bb826c48d8b985edb689ed045919af6a26cb4e6456439a9cea1d1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8E3D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8E8E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2604-0-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

Filesize
4KB

Download
memory/2604-1-0x0000000000FC0000-0x00000000015D6000-memory.dmp

Filesize
6.1MB

Download
memory/2604-2-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/2604-163-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

Filesize
4KB

Download
memory/2604-219-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/2604-221-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download