896d5ef58c7fd06868d917068f6a6a18b0f0766d9c4b2fb0f5eaaab1c17838bc

Analysis

max time kernel
149s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 16:07

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General

Target
FLiNGTrainer_setup.exe
Size 15.3MB
Sample260527-tk11jadw6x
SHA256 896d5ef58c7fd06868d917068f6a6a18b0f0766d9c4b2fb0f5eaaab1c17838bc
MD5 794e66403786705d5197bcbd5bf6b137
SHA1 2a589df391f2abc535758acb73b6f3307d1b1c33
SHA512 909449104d9540e82948e8886b2be5ab022bd8cc6d24029cd91efee524ca740572c21f4f89c9ccc513e745665d5227cebb91ae44ac2ea1ec18b82ec009a13b3b
SSDEEP 393216:vUZZ9z5oLhKI2sQhDSx3hP36Ll0lkrlQQVGxFWKK3stgm:vUBzOqsLxhySkrlrGxFp
TLSH
T15DF63373F7D84A16D0262D3CC06DB3568F600AE8B92F9652EC347D4DBA85B961F0B1B4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
792	FLiNGTrainer_setup.exe
792	FLiNGTrainer_setup.exe
792	FLiNGTrainer_setup.exe
792	FLiNGTrainer_setup.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2004	792	WerFault.exe	80

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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FLiNGTrainer_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 3 IoCs

defense_evasion

pid	Process
1176	taskkill.exe
3192	taskkill.exe
4356	taskkill.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	taskkill.exe
Token: SeDebugPrivilege	3192	taskkill.exe
Token: SeDebugPrivilege	4356	taskkill.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1176	792	FLiNGTrainer_setup.exe	81
PID 792 wrote to memory of 3192	792	FLiNGTrainer_setup.exe	84
PID 792 wrote to memory of 4356	792	FLiNGTrainer_setup.exe	86

C:\Users\Admin\AppData\Local\Temp\FLiNGTrainer_setup.exe
"C:\Users\Admin\AppData\Local\Temp\FLiNGTrainer_setup.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /t /im FLiNGTrainer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /t /im iPDFUpdate.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3192
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /t /im starterSetup.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 1200
  2⤵
  - Program crash
  PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 792 -ip 792
1⤵
PID:4652

Network

MITRE ATT&CK Enterprise v16

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

nsDui.dll

Path C:\Users\Admin\AppData\Local\Temp\nsj2864.tmp\nsDui.dll
Size 2.1MB
SHA256 1f85f95e48c509d025d7cfb77ade5b05d4e504bd56d660ec064afab3da0bc249
MD5 55de45af8b0e2b48113a88d18b13acb0
SHA1 2b423e51d4aef0922cce01006e88029fa261575a
SHA512 437fe93f29ac11e26eaf34785d5a0ad15d1ffe58992f5180c2f9265d75d41ab3a8726e5ec59da022b8dc9c28c11b150ab0d8ea9ff73f2ccb3ae5f44a4248a1b6
SSDEEP 49152:lqZh4+1IWA2xJuPppVsrjmyWL7xvEnF7aZFsfOK9f+f84JAyf0:lg4+ZmJL7iGKS
TLSH
T10DA5D112B542413AECAB8232CFBD4D7D966C7620137494D3B3CC5D5E5EA29E27A32393
MD5 SHA1 SHA512 SSDEEP TLSH

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsj2864.tmp\nsExec.dll
Size 6KB
SHA256 e0959b690f25160d590cfd7e2467bb9ce7e9d959663e7e203f502dce5246507d
MD5 2fd10d2f8ae885cc7e34ff21703aef6c
SHA1 7a1862a0240684a423c2d988557ab5b306af85e1
SHA512 fde884c9e988dd04a0e6b1e14b295e911b3d835ca92ed1a7a4c8bdc05326446092d17f75013a4ec9dc3e05cb351fd42b87d9ed96df70d0d5e4c9048f5fb5a546
SSDEEP 96:87GUeYNrwgcrEzyKwZxW4JxNABWweYkZleOe4I9d0qqyVgNY32E:uGgrwgcrEzylQBHkZwd0qJVgND
TLSH
T183D1D83D76C33DB3C54ACA753C65292F0FB8D8261B5402119B6716C279D5AE3FE29382
MD5 SHA1 SHA512 SSDEEP TLSH