792e77ec6e99355977d2cfc84758c85aa9adc7291229278635d10013ee9edf28

Analysis

max time kernel
148s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 20:27

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General

Target

setup.exe
Size

1.4MB
MD5

706c6bfc8bfc84cff339ad4f1383b5f6
SHA1

2bee5db2fc7f4c0cb9657b3c56381edf55f20b9e
SHA256

a24bca9187ab78b0e924a7c34e897fbe6410dac464ad5df0f9652339e99328be
SHA512

40fde805e9c2f8b4803924cdedf87bbb3deb80143110ca1cbad98648ea511d4e99ac82444ae13a275fe8c36bbfdaef81b2a5e9f55fddb5cecbd66dcfce6a8b90
SSDEEP

24576:mbn04bdgOwOvZc+y8UZ3BQ9KtFkva8DgY4bQzy5kafTQUIz:m5ggc+GZ0KsTkxbEy2wTgz

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplica	remotesetup.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	remotesetup.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\remotesetup.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\remotesetup.exe:*:Enabled:DuDuAcc"	remotesetup.exe

Executes dropped EXE 4 IoCs

pid	Process
2880	setup.exe
320	dudu.exe
2600	is-T413B.tmp
2588	remotesetup.exe

Loads dropped DLL 16 IoCs

pid	Process
2152	setup.exe
2880	setup.exe
2152	setup.exe
2880	setup.exe
2880	setup.exe
2152	setup.exe
2880	setup.exe
320	dudu.exe
320	dudu.exe
320	dudu.exe
2600	is-T413B.tmp
2600	is-T413B.tmp
320	dudu.exe
2588	remotesetup.exe
2588	remotesetup.exe
2588	remotesetup.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\DDD_Install_Program.job	remotesetup.exe

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 5 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	is-T413B.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dudu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remotesetup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2600	is-T413B.tmp

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 2880	2152	setup.exe	31
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2152 wrote to memory of 320	2152	setup.exe	32
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 2880 wrote to memory of 2600	2880	setup.exe	33
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34
PID 320 wrote to memory of 2588	320	dudu.exe	34

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\setup.exe
  C:\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\setup.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Users\Admin\AppData\Local\Temp\is-FKMHM.tmp\is-T413B.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-FKMHM.tmp\is-T413B.tmp" /SL4 $60124 C:\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\setup.exe 812133 50688
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    PID:2600
- C:\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\dudu.exe
  C:\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\dudu.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\Users\Admin\AppData\Local\Temp\remotesetup.exe
    C:\Users\Admin\AppData\Local\Temp\remotesetup.exe
    3⤵
    - Modifies firewall policy service
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\DUDU.exe

Filesize
220KB

MD5
0b2a860a558ca00e1b4f389b6d8be1e6

SHA1
5e5a12756446751482d3db2798bd954f2f49ee68

SHA256
81db7a9742cb8fb50f7a97a952388cb3f4a1a9d150bc84705f8c2abf2c71dafe

SHA512
2210d69d467358c3174bf0685bd6dc1236d56aa9a19246c58931ebf87fe955fb4ed5e9acbb328b1775930e20fa275781c0eb48dd6d943de46ff20dc8fe511147

Download Submit
\Users\Admin\AppData\Local\Temp\692bb034-c657-4d9f-ae33-ad095e29596d\setup.exe

Filesize
1.0MB

MD5
7b67ad5920fbb521a3931e181b6f09c1

SHA1
be2ef6336fffab984588ba5e7c857394445972c2

SHA256
a53abdc7b7c7e3200ad96481d6230edc2ef5c37b4c0ae51bdd663a13f5e0f771

SHA512
f94fa8e3212ec9a5861772287e17fb76d1030c0127a5de46f0dcfcde1e2457555bb997288305b482dad0d1bdfe63c4312985666fff1540b2fa04291f11b521c3

Download Submit
\Users\Admin\AppData\Local\Temp\is-D12H1.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-FKMHM.tmp\is-T413B.tmp

Filesize
572KB

MD5
f1f53da4210741290d2a97962ddabd75

SHA1
77e4197542f8af41415aa6366e3d9690bb5e42fd

SHA256
4ddec18e9d8574c76a7e18ca0c9d9b37ff3a13a6f3f3bc50c35508d0c4c83e68

SHA512
688db1c87d7b9e83c718d9eebfa78a87a558a02213a9ad6f1e4772ce2532efca2efb7436af0340881f16cad7c80ebd99017eea89322406968db402e95c3169ef

Download Submit
\Users\Admin\AppData\Local\Temp\remotesetup.exe

Filesize
200KB

MD5
431f73f47db54f39affaf01d059ddc19

SHA1
494a98579d991201f79bc62138f3614eba7a6bf4

SHA256
432ce523edf6eac5d01b085ebb8ccda80c16e72618ed4ef75312884b171fe281

SHA512
94d5f6d28dbb9934013b2908e95a69374fcb93384c8333807a7bcf437b6e3638bf1aad92e894fbb282c28eebdcbda770752f2e43d9c6c7ac9e892c647ccab79b

Download Submit
memory/2600-46-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/2880-20-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2880-16-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2880-45-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads