3d5b357fda90c821bd57e553af2147e3154f9e3d241724f28482808106c68c93

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/04/2024, 08:32

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General

Target
MainInstallerAutoEmbedded.exe
Size 796KB
Sample240408-kfsc6ada49
SHA256 e288d49f6011dcd3f893e54ceafda9b6b491543966521c483064a7df43e5bdd2
MD5 7fc6bc14a74dc69773587af10132d8c9
SHA1 9d98b268eaa7f4ad208bde39944fdb1ab201e076
SHA512 a738205fb26bf259e70b1cacfd10f9168d381778ef90a49847b8d332d93b471cbdcf6357a3d2dfb2e41a4666cba98dd9dc2867a20d472636e5fc8080cc073742
SSDEEP 24576:P7yrmq17YLUAl1+O50aT+1bXkS/EZQM7G7ZQ51bmtfWR163i95cVmB:jgbyLV1ILT/ES46S5Bmted6VmB
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1452	SetupAuto.exe

Loads dropped DLL 3 IoCs

pid	Process
1228	MainInstallerAutoEmbedded.exe
1228	MainInstallerAutoEmbedded.exe
1452	SetupAuto.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral15/files/0x000c000000012251-7.dat	nsis_installer_1
behavioral15/files/0x000c000000012251-7.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1452	SetupAuto.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28
PID 1228 wrote to memory of 1452	1228	MainInstallerAutoEmbedded.exe	28

C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe
"C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe
  C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=0
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nso1141.tmp\ioSpecial.ini
Size 694B
SHA256 8acdfb629bfb9e5c6d99cb515b167049a5ef31b19aeece016ec7e4453c91e873
MD5 64bf01baf931a23cdc34b2675dd2e16d
SHA1 0f4fce0b67e9df054fc405ef63c861c399547304
SHA512 f9f3efc9e801eb13a6b5d9d7f111efcd3c57a113b5e242f18ba04bced0b3b10f103d4b0d20517f88845bae2e037e0cb46974432db711630744eb6c5c237f5ed4
MD5 SHA1 SHA512

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nso1141.tmp\ioSpecial.ini
Size 707B
SHA256 4397dc67a0621f38b4689b27094e4c8ff4e3b426b2acae867168184a45677066
MD5 7947aa0390fd88d1693fd19162ef74dc
SHA1 f27e8d3d4db527c0a394114444b7af9cb9967a1a
SHA512 894954ff385dbaed01d12b447f0013723af7238d46d670124c92955443d2f70a23c674154547148ec806f617b5bb615b5527febaa70735c45cc2f5d656bd99b3
MD5 SHA1 SHA512

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SetupAuto.exe

Path \Users\Admin\AppData\Local\Temp\SetupAuto.exe
Size 512KB
SHA256 f552d818f17841efb7f06803ecd2479fe5c9b2a0d3c4dad2c9d90b42e2e9d7d5
MD5 ff0198fd1f59b71c1deec34b6b0b0c07
SHA1 cae622ad91a3bab0996589e3bf905c9d4eeb6059
SHA512 96795276eefcde81b0ad4ac85f4aaec368cb93bd9e9912c343316912f1502f3a22d845af3ba75ea5aa92b1936028558d48c11a77d331d49bd77f58b886868ccc
SSDEEP 12288:Qnm2P17YuUAlhZk4ZN5lviET7MacVdekBCaeKOKEZQM7gM7ZQN:Qnh17YuUAlh+S5ZdT7sbekOKEZQM717M
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path \Users\Admin\AppData\Local\Temp\nsi10D3.tmp\System.dll
Size 11KB
SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
MD5 c17103ae9072a06da581dec998343fc1
SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
MD5 SHA1 SHA512 SSDEEP

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InstallOptions.dll

Path \Users\Admin\AppData\Local\Temp\nso1141.tmp\InstallOptions.dll
Size 14KB
SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
MD5 325b008aec81e5aaa57096f05d4212b5
SHA1 27a2d89747a20305b6518438eff5b9f57f7df5c3
SHA512 18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf
SSDEEP 192:86d+dHXLHQOPiY53uiUdigyU+WsPdc/A1A+2jwK72dwF7dBEnbok:86UdHXcIiY535zBt2jw+BEnbo
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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Downloads