8a319aa88a3219ba3101dd4f1cbd41aff3f2bd2bf385f7232556df4c3ef19969

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 13:39

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General

Target

$R1/unins000.exe
Size

705KB
MD5

26ee6f06a21fbdf0de18cebd85853bbd
SHA1

e64a373a4c928e3f84174f9d75a286e038d259ff
SHA256

b916906a58e78b9b6c1a4672c12740549a81f57bc1b6bfe8ccef320013eaaa6e
SHA512

599ec361109b861d5cf8e87e20161d050e5a69c5e31bef2ed01d1a6ad441fd69eb21df8ee433a9e07889abe1ffdbb41a8f48182e0ea51c16711c91d679859522
SSDEEP

12288:MuA/arACiIrPe37lzH6A64EGYHuXsr5aER+gjrNAFR9FXsvy8duXEx9ZT:MN/arRiIrPe37lzH6A604cs1aEcdFXGJ

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1680	_iu14D2N.tmp

Executes dropped EXE 1 IoCs

pid	Process
1680	_iu14D2N.tmp

Loads dropped DLL 3 IoCs

pid	Process
1956	unins000.exe
1680	_iu14D2N.tmp
1680	_iu14D2N.tmp

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_iu14D2N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unins000.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1680	_iu14D2N.tmp

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1956 wrote to memory of 1680	1956	unins000.exe	30
PID 1680 wrote to memory of 1048	1680	_iu14D2N.tmp	32
PID 1680 wrote to memory of 1048	1680	_iu14D2N.tmp	32
PID 1680 wrote to memory of 1048	1680	_iu14D2N.tmp	32
PID 1680 wrote to memory of 1048	1680	_iu14D2N.tmp	32
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34
PID 1048 wrote to memory of 2232	1048	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe
"C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
  "C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe" /FIRSTPHASEWND=$6015A
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\QStatSrv.dll"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\QStatSrv.dll"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp

Filesize
705KB

MD5
26ee6f06a21fbdf0de18cebd85853bbd

SHA1
e64a373a4c928e3f84174f9d75a286e038d259ff

SHA256
b916906a58e78b9b6c1a4672c12740549a81f57bc1b6bfe8ccef320013eaaa6e

SHA512
599ec361109b861d5cf8e87e20161d050e5a69c5e31bef2ed01d1a6ad441fd69eb21df8ee433a9e07889abe1ffdbb41a8f48182e0ea51c16711c91d679859522

Download Submit
\Users\Admin\AppData\Local\Temp\is-L2NMN.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1680-8-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1680-18-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1680-17-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/1680-22-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/1956-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1956-16-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download