bde2b22932b4f0d562b1109e55ad92c26854bb5ab2ab924b0b7a914da54a6a7a

General

Target
e1e797703f3ea73c3b9b136bb2bcd5ae.exe
Size 24KB
Sample240327-ryrmxahd3v
SHA256 bde2b22932b4f0d562b1109e55ad92c26854bb5ab2ab924b0b7a914da54a6a7a
MD5 e1e797703f3ea73c3b9b136bb2bcd5ae
SHA1 9270416376013099140ed0b7c9d71a6ea891f488
SHA512 6643596a2e4cf3b49a395a1c97a89b18ed9e2ee1ed0b2ffeffb433cfdb4a4602c3dbd544ca006922f3048c5bf6e35f1da21c78a3b187a4644e2cf46641f7304a
SSDEEP 384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5B0:bGS+ZfbJiO8qYoAe
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe"	e1e797703f3ea73c3b9b136bb2bcd5ae.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe	e1e797703f3ea73c3b9b136bb2bcd5ae.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
3088	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2020	ipconfig.exe
1692	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3088	tasklist.exe
Token: SeDebugPrivilege	1692	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4340	e1e797703f3ea73c3b9b136bb2bcd5ae.exe
4340	e1e797703f3ea73c3b9b136bb2bcd5ae.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 3744	4340	e1e797703f3ea73c3b9b136bb2bcd5ae.exe	94
PID 4340 wrote to memory of 3744	4340	e1e797703f3ea73c3b9b136bb2bcd5ae.exe	94
PID 4340 wrote to memory of 3744	4340	e1e797703f3ea73c3b9b136bb2bcd5ae.exe	94
PID 3744 wrote to memory of 3516	3744	cmd.exe	96
PID 3744 wrote to memory of 3516	3744	cmd.exe	96
PID 3744 wrote to memory of 3516	3744	cmd.exe	96
PID 3744 wrote to memory of 2020	3744	cmd.exe	97
PID 3744 wrote to memory of 2020	3744	cmd.exe	97
PID 3744 wrote to memory of 2020	3744	cmd.exe	97
PID 3744 wrote to memory of 3088	3744	cmd.exe	98
PID 3744 wrote to memory of 3088	3744	cmd.exe	98
PID 3744 wrote to memory of 3088	3744	cmd.exe	98
PID 3744 wrote to memory of 1472	3744	cmd.exe	101
PID 3744 wrote to memory of 1472	3744	cmd.exe	101
PID 3744 wrote to memory of 1472	3744	cmd.exe	101
PID 1472 wrote to memory of 4944	1472	net.exe	102
PID 1472 wrote to memory of 4944	1472	net.exe	102
PID 1472 wrote to memory of 4944	1472	net.exe	102
PID 3744 wrote to memory of 1692	3744	cmd.exe	103
PID 3744 wrote to memory of 1692	3744	cmd.exe	103
PID 3744 wrote to memory of 1692	3744	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\e1e797703f3ea73c3b9b136bb2bcd5ae.exe
"C:\Users\Admin\AppData\Local\Temp\e1e797703f3ea73c3b9b136bb2bcd5ae.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3516
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2020
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3088
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1472
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4944
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:1692

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3992 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
1⤵
PID:3596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Process Discovery

1

T1057

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

flash.log

Path \??\c:\windows\temp\flash.log
Size 14KB
SHA256 35bbe23b388a67690d3e1bff0c5217eebe7207e2241098116db26267b6d8e341
MD5 8e883bb923dcdb7717dc79525647aca6
SHA1 bb0a9e55dd920217107678ddb72898d244f151ec
SHA512 aea2d36507e03beb847354a6aaab53b879692ad2fc3fe948ee1e5d7de7e79a4ed53c4dc3f98bd379f7e61e9b9051687e51912e81bd5172f865b9621cdd3ba683
SSDEEP 384:xmuj0g+DdzL4c6ySHa/bLw5Xc8lzdO4ExHF/nY8tXJhsK28ASpnlcTWpI47vkwtL:s3g+DdzL4c6ySHa/bLw5Xc8lzdO4ExHD
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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