de8c8b9da365ddab4c02abcadaf9ccbf3f4b84c5ff5ea8daec4ee6165a66a68f

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 03:02

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General

Target

$PLUGINSDIR/iwintoolbarinst.exe
Size

1.7MB
MD5

2f8fd5cd8456f3929de62b0b74a3c106
SHA1

15122b6027e062282b63c777cc1a19946dc870bd
SHA256

6ae46ef84b5c10dba02ee1b9ab6972cef190e1345fd9033d6ca95fc8eee1dd47
SHA512

58ab84b15196cddd6f8fa7678aac3d3bd94760ac6a963bd41111efbd1f849b80245aa7c23b261804d786c712b227a01d188f08b7c70320e7abae3b148649ef1b
SSDEEP

49152:nkVCcKKu4trz8kkEDZEU8WxHbJ5BT4CuDt:kVCcOI8emUhZHBEn

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1992	GLBA4C7.tmp

Loads dropped DLL 4 IoCs

pid	Process
1196	iwintoolbarinst.exe
1992	GLBA4C7.tmp
1992	GLBA4C7.tmp
1992	GLBA4C7.tmp

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\GLBSINST.%$D	GLBA4C7.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 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	iwintoolbarinst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GLBA4C7.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30
PID 1196 wrote to memory of 1992	1196	iwintoolbarinst.exe	30

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\iwintoolbarinst.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\iwintoolbarinst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\GLBA4C7.tmp
  C:\Users\Admin\AppData\Local\Temp\GLBA4C7.tmp 4736 C:\Users\Admin\AppData\Local\Temp\$PLUGI~1\IWINTO~2.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\GLBA4C7.tmp

Filesize
70KB

MD5
42a6070bf088150d4546e03a3f929554

SHA1
eec4b2316fe8e7c188368753547f987bcad59f65

SHA256
941213c68e18fbecc3906d62ca17f1a76ea5da668bc51edd0578daf04d7f3d28

SHA512
5623021e9d79ec988cbd9bee533391dc0abd9d9dcc35f5ff53d9c9edd9ccae5f36b4f9b3fbde5770e13a44f8d6f21c1840174e2326331f92aaa011291f83170d

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\Users\Admin\AppData\Local\Temp\GLCA4F6.tmp

Filesize
161KB

MD5
8c97d8bb1470c6498e47b12c5a03ce39

SHA1
15d233b22f1c3d756dca29bcc0021e6fb0b8cdf7

SHA256
a87f19f9fee475d2b2e82acfb4589be6d816b613064cd06826e1d4c147beb50a

SHA512
7ad0b2b0319da52152c2595ee45045d0c06b157cdaaa56ad57dde9736be3e45fd7357949126f80d3e72b21510f9bf69d010d51b3967a7644662808beed067c3f

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\Users\Admin\AppData\Local\Temp\GLFB0BD.tmp

Filesize
10KB

MD5
3b2e23d259394c701050486e642d14fa

SHA1
4e9661c4ba84400146b80b905f46a0f7ef4d62eb

SHA256
166d7156142f3ee09fa69eb617dd22e4fd248aa80a1ac08767db6ad99a2705c1

SHA512
2b792296dffa4e43bc85295dc7691bd29762ce5d9d5eafaa74e199e6a8e5b24aa85d0a1b27776d4719a49b0d29abcf6f240746a209528e608b596b560e5a3b88

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