b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2

General

Target

b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe
Size

327KB
MD5

c8b35bda3870044f416dc32c0fd45646
SHA1

c98d330d000e8e2a497f050c6eeceb751c475c0d
SHA256

b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2
SHA512

90603064045e4df00eabd3bc2c5439ed71dfc9f649c1dc4a86803741c265cb334998c2340db9d4cdc658cffb66478ad78f65de4fac17683caded1a75e1e1e66f
SSDEEP

6144:ROrb/7NraKU6SK9EE7RkCVAwDBYsMIrAj+eyJmSbPTOs0c9PQdMb1ljIf7Sny:RoT7NzUPK9EE7hzxAjZyJmSXOs0mPQOW

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
576	DSA.EXE
1936	Hacker.com.cn.exe

Loads dropped DLL 3 IoCs

pid	Process
772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe
772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe
576	DSA.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Hacker.com.cn.exe	DSA.EXE
File opened for modification	C:\Windows\Hacker.com.cn.exe	DSA.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	DSA.EXE
Token: SeDebugPrivilege	1936	Hacker.com.cn.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	Hacker.com.cn.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 772 wrote to memory of 576	772	b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe	27
PID 1936 wrote to memory of 1208	1936	Hacker.com.cn.exe	29
PID 1936 wrote to memory of 1208	1936	Hacker.com.cn.exe	29
PID 1936 wrote to memory of 1208	1936	Hacker.com.cn.exe	29
PID 1936 wrote to memory of 1208	1936	Hacker.com.cn.exe	29

C:\Users\Admin\AppData\Local\Temp\b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe
"C:\Users\Admin\AppData\Local\Temp\b138c7c0f7c462bd3b78ae7fdd98903f87560aab8bae6ecd4847be2b551c52e2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:772
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:576

C:\Windows\Hacker.com.cn.exe
C:\Windows\Hacker.com.cn.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:1208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
C:\Windows\Hacker.com.cn.exe

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
C:\Windows\Hacker.com.cn.exe

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\DSA.EXE

Filesize
290KB

MD5
fb5d9233faca3ceaec5cd99ea9dc27ed

SHA1
ec10a970b246c88e2b5f1371bdc4829feb9f5e4d

SHA256
7dcb83d6d422e8eb550a7c6933b74bbf1f00b79f5fd09e45d281f17383822ebe

SHA512
bf2834def89f1a6b83a4f3b5a45c9651915f17b7ceddecf8abbe9a6c6d0c41eb143282c3b36b6bb222e4fce79697931d333cf5ab6f00cbe142677f2bfbed4bb6

Download Submit
memory/576-70-0x0000000000C70000-0x0000000000E58000-memory.dmp

Filesize
1.9MB

Download
memory/576-67-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/576-68-0x0000000000C70000-0x0000000000E58000-memory.dmp

Filesize
1.9MB

Download
memory/576-66-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/772-69-0x0000000002510000-0x00000000026F8000-memory.dmp

Filesize
1.9MB

Download
memory/772-58-0x00000000008D0000-0x00000000009D2000-memory.dmp

Filesize
1.0MB

Download
memory/772-59-0x0000000002510000-0x00000000026F8000-memory.dmp

Filesize
1.9MB

Download
memory/772-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/772-56-0x0000000001000000-0x0000000001102000-memory.dmp

Filesize
1.0MB

Download
memory/772-55-0x0000000001000000-0x0000000001102000-memory.dmp

Filesize
1.0MB

Download
memory/772-75-0x0000000001000000-0x0000000001102000-memory.dmp

Filesize
1.0MB

Download
memory/1936-73-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/1936-76-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download
memory/1936-77-0x0000000000400000-0x00000000005E8000-memory.dmp

Filesize
1.9MB

Download

Analysis

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