accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d

General

Target

accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
Size

1.1MB
MD5

4c4a1796e61e532a3a9108c705f5b74e
SHA1

2a6bc5c5cdcefac83bd47b58761690bc4dfb4284
SHA256

accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d
SHA512

024baf100e11ea53af0bf3dec768ced839c1ba9a23c0f66aa0f3c336be63e90c7e8cb4c19a12b4d9381fe971ea886fb1f69ea8ec8d369c2521a779c3b80b93fa
SSDEEP

24576:ubq0z+FMnSJU96SyN+rsbvco1Pc9McNC1Dy4D6N+/GtD9M7SW0LvZkDV:ubx8MSJfT+rsbPK93NSDB+N+QO3NDV

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4252	adobereader.exe
2736	adobereader.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1860	netsh.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4280-132-0x0000000000400000-0x00000000007BC000-memory.dmp	upx
behavioral2/memory/4280-138-0x0000000000400000-0x00000000007BC000-memory.dmp	upx
behavioral2/files/0x0007000000022e2b-141.dat	upx
behavioral2/files/0x0007000000022e2b-142.dat	upx
behavioral2/memory/4252-144-0x0000000000400000-0x00000000007BC000-memory.dmp	upx
behavioral2/files/0x0007000000022e2b-147.dat	upx
behavioral2/memory/4252-149-0x0000000000400000-0x00000000007BC000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Driver Update = "C:\\Users\\Admin\\AppData\\Local\\Temp\\adobereader.exe"	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe Driver Update = "C:\\Users\\Admin\\AppData\\Local\\Temp\\adobereader.exe"	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4280 set thread context of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4252 set thread context of 2736	4252	adobereader.exe	84

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4280 wrote to memory of 4052	4280	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	81
PID 4052 wrote to memory of 1860	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	82
PID 4052 wrote to memory of 1860	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	82
PID 4052 wrote to memory of 1860	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	82
PID 4052 wrote to memory of 4252	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	83
PID 4052 wrote to memory of 4252	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	83
PID 4052 wrote to memory of 4252	4052	accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe	83
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84
PID 4252 wrote to memory of 2736	4252	adobereader.exe	84

C:\Users\Admin\AppData\Local\Temp\accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
"C:\Users\Admin\AppData\Local\Temp\accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe
  "C:\Users\Admin\AppData\Local\Temp\accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4052
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\adobereader.exe" "Adobe Driver Update" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1860
- - C:\Users\Admin\AppData\Local\Temp\adobereader.exe
    "C:\Users\Admin\AppData\Local\Temp\adobereader.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4252
  - - C:\Users\Admin\AppData\Local\Temp\adobereader.exe
      "C:\Users\Admin\AppData\Local\Temp\adobereader.exe"
      4⤵
      Executes dropped EXE
      PID:2736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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\adobereader.exe

Filesize
1.1MB

MD5
4c4a1796e61e532a3a9108c705f5b74e

SHA1
2a6bc5c5cdcefac83bd47b58761690bc4dfb4284

SHA256
accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d

SHA512
024baf100e11ea53af0bf3dec768ced839c1ba9a23c0f66aa0f3c336be63e90c7e8cb4c19a12b4d9381fe971ea886fb1f69ea8ec8d369c2521a779c3b80b93fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\adobereader.exe

Filesize
1.1MB

MD5
4c4a1796e61e532a3a9108c705f5b74e

SHA1
2a6bc5c5cdcefac83bd47b58761690bc4dfb4284

SHA256
accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d

SHA512
024baf100e11ea53af0bf3dec768ced839c1ba9a23c0f66aa0f3c336be63e90c7e8cb4c19a12b4d9381fe971ea886fb1f69ea8ec8d369c2521a779c3b80b93fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\adobereader.exe

Filesize
1.1MB

MD5
4c4a1796e61e532a3a9108c705f5b74e

SHA1
2a6bc5c5cdcefac83bd47b58761690bc4dfb4284

SHA256
accd6b29097b0d9f3df050ebe9f85443dff541391b24381c4c39a4fc8727120d

SHA512
024baf100e11ea53af0bf3dec768ced839c1ba9a23c0f66aa0f3c336be63e90c7e8cb4c19a12b4d9381fe971ea886fb1f69ea8ec8d369c2521a779c3b80b93fa

Download Submit
memory/2736-151-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4052-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4052-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4052-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4052-137-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4052-143-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4252-144-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/4252-149-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/4280-132-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download
memory/4280-138-0x0000000000400000-0x00000000007BC000-memory.dmp

Filesize
3.7MB

Download

Analysis

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