1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558

General

Target

1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
Size

562KB
MD5

3d7f14c6a4aa1469f88789b989417cc6
SHA1

0ccf0cff71b05b74fdedec5043050bcbab1fba06
SHA256

1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558
SHA512

b49f308c24238cf528aaabfcbe6364011ca227825a0f34a6624f99b495913359e94efa14ef2d31dc61af573663c6246625a17de670b65200f86380b3cf84d96e
SSDEEP

12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2f:kt9jF5JU2h6IlLUTUvdRRaz2f

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1996	DownloadManager.exe

Loads dropped DLL 6 IoCs

pid	Process
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.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 FindShellTrayWindow 1 IoCs

pid	Process
1996	DownloadManager.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1996	DownloadManager.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1996	DownloadManager.exe
1996	DownloadManager.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1996	3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe	83
PID 3520 wrote to memory of 1996	3520	1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe	83

C:\Users\Admin\AppData\Local\Temp\1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe
"C:\Users\Admin\AppData\Local\Temp\1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\DM_Dd3klXQa4y\DownloadManager.exe
  DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\1988b9ee010ee4d603479dc5591fd2c59a1553ab2caca2ce62362dc4e4894558.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DM_Dd3klXQa4y\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM_Dd3klXQa4y\DownloadManager.exe

Filesize
864KB

MD5
54fff123842d60d5e57d04c4cf7fbf93

SHA1
8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

SHA256
e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

SHA512
b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\UserInfo.dll

Filesize
4KB

MD5
031ec9b12afb1fafc9fc397f3b90f29c

SHA1
de26ddfe3ef452f8205bfbd5520a8eff6328619f

SHA256
2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

SHA512
cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst68FC.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/1996-138-0x0000000000000000-mapping.dmp

Download
memory/1996-141-0x00007FFC5C090000-0x00007FFC5CAC6000-memory.dmp

Filesize
10.2MB

Download
memory/1996-142-0x00000000011AA000-0x00000000011AF000-memory.dmp

Filesize
20KB

Download
memory/1996-143-0x00000000011AA000-0x00000000011AF000-memory.dmp

Filesize
20KB

Download

Analysis

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