dcf52482ca002b4cd5822419886680906ddf5af41af269791e2332d039f6314f

General

Target

build.exe
Size

6.1MB
MD5

1fd3c7acad176220bb1c7e5a4679d0e7
SHA1

ee05cc5609d9cdc93f98bfec5aa63a3e679c5b17
SHA256

dcf52482ca002b4cd5822419886680906ddf5af41af269791e2332d039f6314f
SHA512

e76e47be32e49734a8d240360dc4c7f26ddac40414d73eb68ef5e54706edeaccde0e3ba99915c5c83f3e0f55412ec7fa5ec5dd7f4ede8d599ebfd8275befce93
SSDEEP

196608:RaiSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:QkSopwtQQl2aOtXADu8X9Y95GQLJ

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs

Web Service

T1102

flow	ioc
8	raw.githubusercontent.com
9	raw.githubusercontent.com
10	raw.githubusercontent.com
11	raw.githubusercontent.com
4	raw.githubusercontent.com
5	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
2696	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2700	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	build.exe
Token: SeDebugPrivilege	2700	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1436	3032	build.exe	31
PID 3032 wrote to memory of 1436	3032	build.exe	31
PID 3032 wrote to memory of 1436	3032	build.exe	31
PID 1436 wrote to memory of 2816	1436	cmd.exe	33
PID 1436 wrote to memory of 2816	1436	cmd.exe	33
PID 1436 wrote to memory of 2816	1436	cmd.exe	33
PID 1436 wrote to memory of 2700	1436	cmd.exe	34
PID 1436 wrote to memory of 2700	1436	cmd.exe	34
PID 1436 wrote to memory of 2700	1436	cmd.exe	34
PID 1436 wrote to memory of 2696	1436	cmd.exe	35
PID 1436 wrote to memory of 2696	1436	cmd.exe	35
PID 1436 wrote to memory of 2696	1436	cmd.exe	35

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:3032
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\8cf9dff7-5372-4281-a356-f8bd99501c2e.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2816
- - C:\Windows\system32\taskkill.exe
    taskkill /F /PID 3032
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2700
- - C:\Windows\system32\timeout.exe
    timeout /T 2 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8cf9dff7-5372-4281-a356-f8bd99501c2e.bat

Filesize
152B

MD5
ee5404c7630bbd8ca91cd3a152deeab8

SHA1
2be897abd481360fd9198f7de70441330b997cc4

SHA256
fb99037a2da403c63406344d58e8d21f84c377f7679d0742cdf0d188d0197a61

SHA512
1e0afe4a60c578635915d1c6ee6345fc7a19db884c3befe5a635ab19f0a8c1abb734e81178c9361b4a0be6572efe6264917b75413a70108b6d79660e24ee33c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab92CF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Stealerium-Latest.log

Filesize
2KB

MD5
053468c74486d73ad83476dcc3d7a273

SHA1
642aea211d853c216b598297950d361f79e96530

SHA256
26d7f25dca5834243a385a1607b13839f1dfbae3a2ec347ac72410e7aa276ebb

SHA512
d3cbd3479bce0ea05032fc44286478fe7c6a04fe21539dcbae6836c33e154c6039c95ff54b22d69181d14819a2fa9e097ce5e5e7761a03dac54ebe3454f01569

Download Submit
C:\Users\Admin\AppData\Local\Temp\Stealerium-Latest.log

Filesize
690B

MD5
cebe54039360f6c7d243f514b00b5c33

SHA1
d1a49a2e22dd4a7cb0b6e93e57142bd4d71edbbb

SHA256
36a2439d68663a2ef6970e9c70784e7e3838a6d1363eaa429b045ba91721a3d3

SHA512
d37c906f436b70545b8aa5a4ce5dfce091a05ca042470a526ad6af5e455ab4281addd909660cd21cb3a984d7269b63a659e266f829a3b5e152106b0f29bc6a67

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9301.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/3032-0-0x000007FEF6BB3000-0x000007FEF6BB4000-memory.dmp

Filesize
4KB

Download
memory/3032-1-0x00000000003B0000-0x00000000009C8000-memory.dmp

Filesize
6.1MB

Download
memory/3032-2-0x000007FEF6BB0000-0x000007FEF759C000-memory.dmp

Filesize
9.9MB

Download
memory/3032-161-0x000007FEF6BB3000-0x000007FEF6BB4000-memory.dmp

Filesize
4KB

Download
memory/3032-199-0x000007FEF6BB0000-0x000007FEF759C000-memory.dmp

Filesize
9.9MB

Download
memory/3032-317-0x000007FEF6BB0000-0x000007FEF759C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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