251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 07:14

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General

Target

251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
Size

562KB
MD5

8394da74bde2aef7601ad7d66a8c54b0
SHA1

941c961e1159f504e3dd2a24cb7bd007d519c22e
SHA256

251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4
SHA512

64008233748fbf1e00451206115b260e925fa3797dfbb5a6e7e6c16f15219c2e2f6647ec22d26799d10c3643c2cb72c866b31273b14827c95c2d74acfc469f2e
SSDEEP

12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2fwM:kt9jF5JU2h6IlLUTUvdRRaz2fw

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
520	DownloadManager.exe

Loads dropped DLL 8 IoCs

pid	Process
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	DownloadManager.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
520	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
520	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
520	DownloadManager.exe
520	DownloadManager.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 520	1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe	29
PID 1416 wrote to memory of 520	1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe	29
PID 1416 wrote to memory of 520	1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe	29
PID 1416 wrote to memory of 520	1416	251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe	29

C:\Users\Admin\AppData\Local\Temp\251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe
"C:\Users\Admin\AppData\Local\Temp\251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Users\Admin\AppData\Local\Temp\DM_OE8Ra95uTn\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\251b2686ee1a14ed39935fdbf54ef5a123ed19300383871e640701e12f0a99c4.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\DM_OE8Ra95uTn\ApplicationDebug.log

Filesize
228B

MD5
9e3cfcdd4fd754e893f2d79629cc8377

SHA1
3a93fc958d20ed83c80e6f0801627958f3aac746

SHA256
70a4351b30f7c4dbfe017dded1645fc22d3d030713f0edc9401a8d1dd8a0c788

SHA512
355428b837405350009c2292067e5246d8c07bd19312284db27ed13b8ee23af8d386389d778680b40f875350825d16e5add49dd157ec196aad40591b1d486965

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_OE8Ra95uTn\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_OE8Ra95uTn\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
\Users\Admin\AppData\Local\Temp\DM_OE8Ra95uTn\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
\Users\Admin\AppData\Local\Temp\DM_OE8Ra95uTn\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\UserInfo.dll

Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nso753.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/520-66-0x000007FEF4000000-0x000007FEF4A23000-memory.dmp

Filesize
10.1MB

Download
memory/520-67-0x000007FEF2670000-0x000007FEF3706000-memory.dmp

Filesize
16.6MB

Download
memory/520-68-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

Filesize
8KB

Download
memory/520-69-0x00000000005A0000-0x0000000000620000-memory.dmp

Filesize
512KB

Download
memory/520-70-0x000007FEEC660000-0x000007FEED4EF000-memory.dmp

Filesize
14.6MB

Download
memory/1416-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download