d998c489f69fd9ac3ed79c7acdb8989f7b6630813f23e50c68cc1cd8b68ecd60

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/08/2024, 20:51

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General

Target

Uninstall.exe
Size

83KB
MD5

d487c02662a348abe9bf91d6b1a30f35
SHA1

bac2e40ae1b356acba32c185aaf8431c220e28e1
SHA256

e3170a6c9290376a89dd59c96172a683e52993f58be5f7a090abe95836361498
SHA512

32193a799aabedac5b3d6978288309b892ed5697f0320139b9323e45c229aca99c582d42f9585acc05890292f833e2774f5f7c30896b77466d429adefd0f6906
SSDEEP

1536:lAuU2UTyxtFdkJvpcWbOV5nre5eVCe3p5DmNypHAs:lk5+bFdkJxcdSKCe7DD1As

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2268	A~NSISu_.exe

Loads dropped DLL 5 IoCs

pid	Process
2672	Uninstall.exe
2268	A~NSISu_.exe
2268	A~NSISu_.exe
2268	A~NSISu_.exe
2268	A~NSISu_.exe

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	A~NSISu_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral19/files/0x000500000001a498-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2268	A~NSISu_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30
PID 2672 wrote to memory of 2268	2672	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe
  "C:\Users\Admin\AppData\Local\Temp\A~NSISu_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2268

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\nse46E2.tmp\ioSpecial.ini

Filesize
595B

MD5
e2b99378db2a47106b87f4140b80c188

SHA1
d64b9bba0156ca31649c64b860d4aa2c1f2f39b6

SHA256
9ab432a5e9666b4d4255f448a9ec27ca4affc0913f08acf29be7d93b69dfbc83

SHA512
05a450bf5cbf1e7b7d34c8e4a6715285851079ba940b1f06e71b19e2492ddc0757720a91fdf0fb6cdcbad0121a16fbb64763308799e86dedb376fa79655fb4bf

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\Users\Admin\AppData\Local\Temp\A~NSISu_.exe

Filesize
83KB

MD5
d487c02662a348abe9bf91d6b1a30f35

SHA1
bac2e40ae1b356acba32c185aaf8431c220e28e1

SHA256
e3170a6c9290376a89dd59c96172a683e52993f58be5f7a090abe95836361498

SHA512
32193a799aabedac5b3d6978288309b892ed5697f0320139b9323e45c229aca99c582d42f9585acc05890292f833e2774f5f7c30896b77466d429adefd0f6906

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\Users\Admin\AppData\Local\Temp\nse46E2.tmp\InstallOptions.dll

Filesize
12KB

MD5
57db62366ef11fdc47922a02031f0492

SHA1
6d30db5285b653025f94e74b9b045870dc0aeb7a

SHA256
2338752092918db8e068d55bea61f8cdeb9be37b6e6d30a730d9703b169b08b4

SHA512
d0257e02370863e07feb9346b88d87a102089f0c48aea13e069e55a14f0f6db51fb3d5f41ed5d2f39e36b612f4b6194a6b7c059709808bfb23ded89d0b0a3db5

Download Submit