665e5e13e2c871769d900c43522b8d645215b7ecb253cdb306242346238002c3

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 08:16

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General

Target
MainInstaller.exe
Size 531KB
Sample240214-j6fxdaee79
SHA256 3dbc5aff076ef9c86a90ad30e963581f7cb22f8e212aa38db29d82cf45b73f80
MD5 9ce448dcd7cf13dd950725957361bdff
SHA1 5831ff31825ea82d90a2989e0fc0a33b859d5f97
SHA512 b4a175da3677cd3380cb3789f281f2afb10aa00dc9592217062d66eb9b5e73805886b692975d7244cdd439d8d5bcd0eb5810533284ba4b13ff02a20b792bf74f
SSDEEP 12288:z/8Ze69hm2S17Y/bv9VXXLVS+n28L6OdBCZrrf3xSEowuj6ZQM7gMWZQkN:zihc17YpVE+PGsB03xSEowuj6ZQM71WD
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2220	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
1940	MainInstaller.exe
2220	Setup.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
behavioral13/files/0x000c000000012234-2.dat	nsis_installer_1
behavioral13/files/0x000c000000012234-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2220	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28
PID 1940 wrote to memory of 2220	1940	MainInstaller.exe	28

C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\MainInstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  C:\Users\Admin\AppData\Local\Temp\Setup.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=1
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2220

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\nsd2260.tmp\ioSpecial.ini
Size 694B
SHA256 56e1cf2a4c8d1355c03acbc11d86878e66d18605466ed8b8b119eb90d88c6d4f
MD5 eb533e7fafcdc3ac9952efd629b45624
SHA1 ab66b26fae704993a84c6bae08b9d805fc7ae906
SHA512 09f20b57fe751475f9c9e18eb61756b3fcccfe2609f394b7b67531bce434b3e8b7209405b55ba5555054aefed170ed7ec6e28d9da2bb9394e84bb94f1b8c8432
MD5 SHA1 SHA512

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsd2260.tmp\ioSpecial.ini
Size 707B
SHA256 c38f30c35dd51395e2467d0c6b7720d404bc41bd89dd711bc6c923fc7c65c8b3
MD5 f999376c0d1f237f408589531c174404
SHA1 27aed65b746b8a129a5cf580651327e0ae1ab3e8
SHA512 2967657f703cf5008aa101b373f7f65bc46d71702491b081496a0207c0e206218baac36affb7025b610c4a3b2b8325295fe5b9ef1041bcce5607908547d0092f
MD5 SHA1 SHA512

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Setup.exe

Path \Users\Admin\AppData\Local\Temp\Setup.exe
Size 505KB
SHA256 30522715240f4a05859099ac370dfb516097ab257402981c6a9ad31951f36cce
MD5 5d8d0c08384ad73216d52a2eabc064f5
SHA1 0fa5c77fd6b6323b926c9648679e063d1bbc8bcc
SHA512 42a3003019e39622082506c7ae50d8a27e2920fdfdf15eb9a8dbf7f1dbd49a02cd0390dabd74c136ed44e9d8ba270540ce9390f31aa84c2fc9fdfcc9e912dd57
SSDEEP 12288:6xPm2P17YJbq9VXMLVS+n78L6OdBRdrrf3xr5Uw1jcZQM7gMyZQU:6Jh17YYVV+YGsBH3xr5Uw1jcZQM71yZX
MD5 SHA1 SHA512 SSDEEP

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InstallOptions.dll

Path \Users\Admin\AppData\Local\Temp\nsd2260.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

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads