b94561e6149960253a8ff55a26fa68c7794b8fced2deade95d6b2e95b5d932af

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 13:50

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General

Target

build.exe
Size

3.6MB
MD5

2005c36df30a92d045d80c76be86d157
SHA1

5e821a88c68ca7fc61e7fd88a6127d35c7af3d7f
SHA256

b94561e6149960253a8ff55a26fa68c7794b8fced2deade95d6b2e95b5d932af
SHA512

ad2c3667101e450566e8b0f7ee3a05c022bed6b1c64007f5c3f21c8bc6e062910c32c93e5b616188fec9d1c625a9a148b42b911d362f6ffd45f2953db38c1275
SSDEEP

98304:2kqXf0FlL9nrYAWAZi6sfLxkuahjCOeX9YG9see5GnRyCAm0makxH13C:2kSIlLtzWAXAkuujCPX9YG9he5GnQCAL

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 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
11	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
2744	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2908	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	build.exe
Token: SeDebugPrivilege	2908	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1032	1748	build.exe	32
PID 1748 wrote to memory of 1032	1748	build.exe	32
PID 1748 wrote to memory of 1032	1748	build.exe	32
PID 1032 wrote to memory of 2848	1032	cmd.exe	34
PID 1032 wrote to memory of 2848	1032	cmd.exe	34
PID 1032 wrote to memory of 2848	1032	cmd.exe	34
PID 1032 wrote to memory of 2908	1032	cmd.exe	35
PID 1032 wrote to memory of 2908	1032	cmd.exe	35
PID 1032 wrote to memory of 2908	1032	cmd.exe	35
PID 1032 wrote to memory of 2744	1032	cmd.exe	36
PID 1032 wrote to memory of 2744	1032	cmd.exe	36
PID 1032 wrote to memory of 2744	1032	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\0499e752-93de-4348-9a9a-e9169f126f82.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2848
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 1748
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2908
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:2744

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\0499e752-93de-4348-9a9a-e9169f126f82.bat

Filesize
152B

MD5
1aa914c271f97580ba5ec414afe54e1a

SHA1
7d5198162e892c6b2c4108726cc2302a8ce66764

SHA256
6e93e1cae6a08170bf1a29deadca7153523cf06c7d53f64688f4fe5aaee44ab0

SHA512
2e7eb3304fa6ff95666aafd375ee3b46929cbf911d073e0b5889563dd97c8195782e0c940cf0409fae95fbb50ac283ecfaeb8f0813fd105c60e48a3ea8a15dec

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9DC7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9DEA.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1748-0-0x000007FEF5DE3000-0x000007FEF5DE4000-memory.dmp

Filesize
4KB

Download
memory/1748-1-0x0000000000260000-0x00000000005FC000-memory.dmp

Filesize
3.6MB

Download
memory/1748-2-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

Filesize
9.9MB

Download
memory/1748-199-0x000007FEF5DE3000-0x000007FEF5DE4000-memory.dmp

Filesize
4KB

Download
memory/1748-200-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

Filesize
9.9MB

Download
memory/1748-308-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

Filesize
9.9MB

Download