085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 09:25

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General

Target

085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe
Size

272KB
MD5

67d24324016c87757fc16492a006a130
SHA1

b82edc17e5c75f5858614439e3c713db95783ae7
SHA256

085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77
SHA512

2aa361454ad6fc7ae337106150675fbfedae6cf3a8080ba761eb73e2e54ad22e37d9d28ca9a23c1ba8ad9314a71bd6412a5811d3ee86bb7a7b29443dee680d3b
SSDEEP

6144:2GqtMAGDrVlcSjUdymn7bug1hASdnoz6Za6uDRrqx:2QAGDrV9MbNhJdcDAx

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1584	eidolon.exe
4792	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe
2596	USBServers32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.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\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\windows\currentVersion\run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\USBServers32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\USBServers32.exe"	reg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\shell32.dll	eidolon.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 1584	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	84
PID 4492 wrote to memory of 1584	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	84
PID 4492 wrote to memory of 1584	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	84
PID 4492 wrote to memory of 3140	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	85
PID 4492 wrote to memory of 3140	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	85
PID 4492 wrote to memory of 3140	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	85
PID 4492 wrote to memory of 1280	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	86
PID 4492 wrote to memory of 1280	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	86
PID 4492 wrote to memory of 1280	4492	085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe	86
PID 1280 wrote to memory of 4792	1280	cmd.exe	89
PID 1280 wrote to memory of 4792	1280	cmd.exe	89
PID 1280 wrote to memory of 4792	1280	cmd.exe	89
PID 1280 wrote to memory of 2596	1280	cmd.exe	90
PID 1280 wrote to memory of 2596	1280	cmd.exe	90
PID 1280 wrote to memory of 2596	1280	cmd.exe	90
PID 2596 wrote to memory of 4592	2596	USBServers32.exe	91
PID 2596 wrote to memory of 4592	2596	USBServers32.exe	91
PID 2596 wrote to memory of 4592	2596	USBServers32.exe	91
PID 4592 wrote to memory of 1068	4592	cmd.exe	93
PID 4592 wrote to memory of 1068	4592	cmd.exe	93
PID 4592 wrote to memory of 1068	4592	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe
"C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Users\Admin\AppData\Local\Temp\eidolon.exe
  "C:\Users\Admin\AppData\Local\Temp\eidolon.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1584
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttdelzzz.bat" "
  2⤵
  PID:3140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\temp\tttbrozzz.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe
    "C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe"
    3⤵
    - Executes dropped EXE
    PID:4792
- - C:\Users\Admin\AppData\Local\Temp\USBServers32.exe
    "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4592
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add HKEY_CURRENT_USER\Software\Microsoft\windows\currentVersion\run /v USBServers32 /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\USBServers32.exe" /f
        5⤵
        Adds Run key to start application
        
        PID:1068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe

Filesize
190KB

MD5
fd85aa96145dca4e1ba6caeb833551cd

SHA1
0ed765cf03ca8d54a7abac31c54d957761a8174e

SHA256
15dde1ed3d845168290e8ea1372ca271eaaad32fd5a2e8b15efed3ef94993fe8

SHA512
800121f6fb0ac570c3c3d8eeb237f0a73da42c5353c6ac37def3c3440f50e86e51f37d6536907d5ea28e86caed4d42cb4d21f02235496c5aed416afcb9c9c546

Download Submit
C:\Users\Admin\AppData\Local\Temp\085a9a7b49fdf4c755ee901db57c45b8701a59ff41a09cf8a64dcd38c9427a77.exe

Filesize
190KB

MD5
fd85aa96145dca4e1ba6caeb833551cd

SHA1
0ed765cf03ca8d54a7abac31c54d957761a8174e

SHA256
15dde1ed3d845168290e8ea1372ca271eaaad32fd5a2e8b15efed3ef94993fe8

SHA512
800121f6fb0ac570c3c3d8eeb237f0a73da42c5353c6ac37def3c3440f50e86e51f37d6536907d5ea28e86caed4d42cb4d21f02235496c5aed416afcb9c9c546

Download Submit
C:\Users\Admin\AppData\Local\Temp\USBServers32.exe

Filesize
54KB

MD5
6428b1de8971e837926de5b464725f64

SHA1
19d7ce6fff617b790f9de7bf99406e61061f0594

SHA256
8f53ab3cd172f685568e0cbb51eb7dfd2389a5fe6aaf47d0aa7d823253e673ee

SHA512
7938b01ce48bcdd3276c83f82fc71407d101f2e884b3f271a17fcf4c60af642faf57047edab97906351217f79847107757283af3fbfc3059cf4eb8e8d778d026

Download Submit
C:\Users\Admin\AppData\Local\Temp\USBServers32.exe

Filesize
54KB

MD5
6428b1de8971e837926de5b464725f64

SHA1
19d7ce6fff617b790f9de7bf99406e61061f0594

SHA256
8f53ab3cd172f685568e0cbb51eb7dfd2389a5fe6aaf47d0aa7d823253e673ee

SHA512
7938b01ce48bcdd3276c83f82fc71407d101f2e884b3f271a17fcf4c60af642faf57047edab97906351217f79847107757283af3fbfc3059cf4eb8e8d778d026

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

Filesize
24KB

MD5
f3858fb30c8ddb74a11e85381009c438

SHA1
ab388dbb45109acd543d28030daf065e50e20a1b

SHA256
a1bf9bc23f97fee5a83ddcb3ba4d8fbbcc70fb2d871b325261be0ded72196fe9

SHA512
6aeb783c6ed7108480f956fd5b54a39a26d6257dc1c472d4d16700eb76be4276690596702fbc9a078662627673965584accf90449cd08dec461806ae3d57c0d1

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

Filesize
24KB

MD5
f3858fb30c8ddb74a11e85381009c438

SHA1
ab388dbb45109acd543d28030daf065e50e20a1b

SHA256
a1bf9bc23f97fee5a83ddcb3ba4d8fbbcc70fb2d871b325261be0ded72196fe9

SHA512
6aeb783c6ed7108480f956fd5b54a39a26d6257dc1c472d4d16700eb76be4276690596702fbc9a078662627673965584accf90449cd08dec461806ae3d57c0d1

Download Submit
C:\Windows\temp\Server32History.dat

Filesize
190KB

MD5
fd85aa96145dca4e1ba6caeb833551cd

SHA1
0ed765cf03ca8d54a7abac31c54d957761a8174e

SHA256
15dde1ed3d845168290e8ea1372ca271eaaad32fd5a2e8b15efed3ef94993fe8

SHA512
800121f6fb0ac570c3c3d8eeb237f0a73da42c5353c6ac37def3c3440f50e86e51f37d6536907d5ea28e86caed4d42cb4d21f02235496c5aed416afcb9c9c546

Download Submit
C:\Windows\temp\tttbrozzz.bat

Filesize
619B

MD5
c3cb0db6ce0d8022d1dad396a3ceb9aa

SHA1
fb9814642f10f197a49b57d93a3221d1ee1f8824

SHA256
4d82d342962dacafe4562e7f9e0622aad28a289f5f4aec8947daffd8f7917db0

SHA512
c03d1909984c01bf90cf4d16362897df10f25370534aeec0f293917865ff6067cf2401b289b146efbf5d53e094dfc59f9649f8a4bbb1b74cf688cb4244341b73

Download Submit
C:\Windows\temp\tttdelzzz.bat

Filesize
327B

MD5
7422f906af11b0e261d0aa0e4a19c6f1

SHA1
6d4d19832dcf9b7fc327deda248bc5d1c937919b

SHA256
60ed6615694d32216404d76c8707cf52845a34c6e56bb7f4edcc6464760b1f94

SHA512
d5b3a380ee1beb75ff2a36fc5550b11004475edc79ff508d195b7ce7c616425648ff88074f2cd103bda626c9630e2c2247ec5fc1381551717a5283624a469afb

Download Submit