6c5104caef3c226c96c8a3a5450fa6bd5c771c0b75a3f7e2fe1ab0d21e977761

Analysis

max time kernel
34s
max time network
35s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 16:27

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General

Target

EclipseOG.exe
Size

1.1MB
MD5

ba404910a71932bac6cb7bd271ec3fbc
SHA1

122c0df145a9cab1e07df9395317ec459545bc92
SHA256

6c5104caef3c226c96c8a3a5450fa6bd5c771c0b75a3f7e2fe1ab0d21e977761
SHA512

e56c7c8ec0e2a832c362c75b45f8d5a4d213e923d66b21e56f740be21713f11cc3ae1e13cb30122aa4aae069949ed1f6217e60115c38d0a53dfe9b486743e343
SSDEEP

24576:v/q1haUsZaIJ3495kWm+sbM2fTTKdoc+O93l0fZj:vibaraIFFLvXTTy+O93+x

Score

7^/10

defense_evasion discovery pyinstaller upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1780	NexusFN.exe
2024	NexusFN.exe
1160	Process not Found

Loads dropped DLL 8 IoCs

pid	Process
2292	cmd.exe
2024	NexusFN.exe
2024	NexusFN.exe
2024	NexusFN.exe
2024	NexusFN.exe
2024	NexusFN.exe
2024	NexusFN.exe
2024	NexusFN.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
2	pastebin.com
4	pastebin.com

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

pid	Process
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe
2380	EclipseOG.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000001a4ff-119.dat	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\security\database\NexusFN.exe	EclipseOG.exe

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x0009000000016c53-17.dat	pyinstaller

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2676	cmd.exe
2592	cmd.exe

Kills process with taskkill 6 IoCs

evasion

pid	Process
2880	taskkill.exe
2508	taskkill.exe
3020	taskkill.exe
2044	taskkill.exe
2100	taskkill.exe
1628	taskkill.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	taskkill.exe
Token: SeDebugPrivilege	2508	taskkill.exe
Token: SeDebugPrivilege	3020	taskkill.exe
Token: SeDebugPrivilege	2044	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2844	2380	EclipseOG.exe	33
PID 2380 wrote to memory of 2844	2380	EclipseOG.exe	33
PID 2380 wrote to memory of 2844	2380	EclipseOG.exe	33
PID 2380 wrote to memory of 2712	2380	EclipseOG.exe	34
PID 2380 wrote to memory of 2712	2380	EclipseOG.exe	34
PID 2380 wrote to memory of 2712	2380	EclipseOG.exe	34
PID 2712 wrote to memory of 2680	2712	cmd.exe	35
PID 2712 wrote to memory of 2680	2712	cmd.exe	35
PID 2712 wrote to memory of 2680	2712	cmd.exe	35
PID 2712 wrote to memory of 2820	2712	cmd.exe	36
PID 2712 wrote to memory of 2820	2712	cmd.exe	36
PID 2712 wrote to memory of 2820	2712	cmd.exe	36
PID 2712 wrote to memory of 2796	2712	cmd.exe	37
PID 2712 wrote to memory of 2796	2712	cmd.exe	37
PID 2712 wrote to memory of 2796	2712	cmd.exe	37
PID 2380 wrote to memory of 2592	2380	EclipseOG.exe	38
PID 2380 wrote to memory of 2592	2380	EclipseOG.exe	38
PID 2380 wrote to memory of 2592	2380	EclipseOG.exe	38
PID 2592 wrote to memory of 2880	2592	cmd.exe	39
PID 2592 wrote to memory of 2880	2592	cmd.exe	39
PID 2592 wrote to memory of 2880	2592	cmd.exe	39
PID 2380 wrote to memory of 2676	2380	EclipseOG.exe	41
PID 2380 wrote to memory of 2676	2380	EclipseOG.exe	41
PID 2380 wrote to memory of 2676	2380	EclipseOG.exe	41
PID 2676 wrote to memory of 2508	2676	cmd.exe	42
PID 2676 wrote to memory of 2508	2676	cmd.exe	42
PID 2676 wrote to memory of 2508	2676	cmd.exe	42
PID 2380 wrote to memory of 2208	2380	EclipseOG.exe	43
PID 2380 wrote to memory of 2208	2380	EclipseOG.exe	43
PID 2380 wrote to memory of 2208	2380	EclipseOG.exe	43
PID 2208 wrote to memory of 3020	2208	cmd.exe	44
PID 2208 wrote to memory of 3020	2208	cmd.exe	44
PID 2208 wrote to memory of 3020	2208	cmd.exe	44
PID 2380 wrote to memory of 1472	2380	EclipseOG.exe	45
PID 2380 wrote to memory of 1472	2380	EclipseOG.exe	45
PID 2380 wrote to memory of 1472	2380	EclipseOG.exe	45
PID 1472 wrote to memory of 2044	1472	cmd.exe	46
PID 1472 wrote to memory of 2044	1472	cmd.exe	46
PID 1472 wrote to memory of 2044	1472	cmd.exe	46
PID 2380 wrote to memory of 2776	2380	EclipseOG.exe	47
PID 2380 wrote to memory of 2776	2380	EclipseOG.exe	47
PID 2380 wrote to memory of 2776	2380	EclipseOG.exe	47
PID 2776 wrote to memory of 2100	2776	cmd.exe	48
PID 2776 wrote to memory of 2100	2776	cmd.exe	48
PID 2776 wrote to memory of 2100	2776	cmd.exe	48
PID 2380 wrote to memory of 584	2380	EclipseOG.exe	49
PID 2380 wrote to memory of 584	2380	EclipseOG.exe	49
PID 2380 wrote to memory of 584	2380	EclipseOG.exe	49
PID 584 wrote to memory of 1628	584	cmd.exe	50
PID 584 wrote to memory of 1628	584	cmd.exe	50
PID 584 wrote to memory of 1628	584	cmd.exe	50
PID 2380 wrote to memory of 1844	2380	EclipseOG.exe	51
PID 2380 wrote to memory of 1844	2380	EclipseOG.exe	51
PID 2380 wrote to memory of 1844	2380	EclipseOG.exe	51
PID 2380 wrote to memory of 2292	2380	EclipseOG.exe	52
PID 2380 wrote to memory of 2292	2380	EclipseOG.exe	52
PID 2380 wrote to memory of 2292	2380	EclipseOG.exe	52
PID 2292 wrote to memory of 1780	2292	cmd.exe	53
PID 2292 wrote to memory of 1780	2292	cmd.exe	53
PID 2292 wrote to memory of 1780	2292	cmd.exe	53
PID 2380 wrote to memory of 2624	2380	EclipseOG.exe	54
PID 2380 wrote to memory of 2624	2380	EclipseOG.exe	54
PID 2380 wrote to memory of 2624	2380	EclipseOG.exe	54
PID 1780 wrote to memory of 2024	1780	NexusFN.exe	55

C:\Users\Admin\AppData\Local\Temp\EclipseOG.exe
"C:\Users\Admin\AppData\Local\Temp\EclipseOG.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2844
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\EclipseOG.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\EclipseOG.exe" MD5
    3⤵
    PID:2680
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:2820
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:2796
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM FortniteClient-Win64-Shipping_EAC_EOS.exe > nul 2>&1
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM FortniteClient-Win64-Shipping_EAC_EOS.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2880
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM FortniteClient-Win64-Shipping.exe > nul 2>&1
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM FortniteClient-Win64-Shipping.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2508
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM EpicGamesLauncher.exe > nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM EpicGamesLauncher.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3020
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM NexusFN.exe > nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM NexusFN.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM Retrac Launcher.exe > nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM Retrac Launcher.exe
    3⤵
    - Kills process with taskkill
    PID:2100
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /F /IM EZFN Launcher.exe > nul 2>&1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:584
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM EZFN Launcher.exe
    3⤵
    - Kills process with taskkill
    PID:1628
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1844
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\Windows\security\database\NexusFN.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\security\database\NexusFN.exe
    C:\Windows\security\database\NexusFN.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1780
  - - C:\Windows\security\database\NexusFN.exe
      C:\Windows\security\database\NexusFN.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2024
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2624
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Windows\security\database\NexusFN.exe 2> nul
  2⤵
  PID:752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI17802\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
1c58526d681efe507deb8f1935c75487

SHA1
0e6d328faf3563f2aae029bc5f2272fb7a742672

SHA256
ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

SHA512
8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI17802\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
724223109e49cb01d61d63a8be926b8f

SHA1
072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

SHA256
4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

SHA512
19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI17802\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
517eb9e2cb671ae49f99173d7f7ce43f

SHA1
4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

SHA256
57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

SHA512
492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI17802\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
d12403ee11359259ba2b0706e5e5111c

SHA1
03cc7827a30fd1dee38665c0cc993b4b533ac138

SHA256
f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

SHA512
9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI17802\python311.dll

Filesize
1.6MB

MD5
db09c9bbec6134db1766d369c339a0a1

SHA1
c156d9f2d0e80b4cf41794cd9b8b1e8a352e0a0b

SHA256
b1aac1e461174bbae952434e4dac092590d72b9832a04457c94bd9bb7ee8ad79

SHA512
653a7fff6a2b6bffb9ea2c0b72ddb83c9c53d555e798eea47101b0d932358180a01af2b9dab9c27723057439c1eaffb8d84b9b41f6f9cd1c3c934f1794104d45

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI17802\ucrtbase.dll

Filesize
992KB

MD5
0e0bac3d1dcc1833eae4e3e4cf83c4ef

SHA1
4189f4459c54e69c6d3155a82524bda7549a75a6

SHA256
8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

SHA512
a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI17802\api-ms-win-core-file-l2-1-0.dll

Filesize
18KB

MD5
bfffa7117fd9b1622c66d949bac3f1d7

SHA1
402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

SHA256
1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

SHA512
b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

Download Submit
\Windows\security\database\NexusFN.exe

Filesize
11.6MB

MD5
9a827ee0372091a70d09bfd6e62bc73c

SHA1
2929ebef95e63560b2e374ee1d22330718d5fd89

SHA256
87e2f4ee80bb8fd5a4406dc62f9666c2043f96c31723a8f8ddd117ccd95b8041

SHA512
0daa8f71e1f5d162d1d890aeca7aa1168a5b70a2b24816221e6d445fefce822f5a6247872ff04b8632b2178df856eb814acf1ea62291d721db5e4a3a5083e285

Download Submit
memory/2024-122-0x000007FEF5F20000-0x000007FEF6508000-memory.dmp

Filesize
5.9MB

Download
memory/2380-14-0x0000000077340000-0x0000000077341000-memory.dmp

Filesize
4KB

Download
memory/2380-15-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download
memory/2380-121-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download