7517367b3b61170bb7637de6f89077069159c4a04f430c28102e2d7cf5a0343a

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2023, 12:18

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General

Target

tmp.exe
Size

252KB
MD5

743a03da4bca80da5f49be2b77050225
SHA1

49ccd55c30cb4e31be4d4bf48bac3bdcba1acec1
SHA256

7517367b3b61170bb7637de6f89077069159c4a04f430c28102e2d7cf5a0343a
SHA512

98e425afc2237966b5a74439879afd0dbcc5293f9eef6a4e8480db35dccba3626e0fcca855feb5beeeb1b5a1d35e4e13ca86cc0150aff6d310e6a5f09d1302be
SSDEEP

6144:PYa6r0uQT1S084gHhrbDPvT5wTMHxrjSL9q/Vk+shAeBGWr:PYRz0fgHhnDvHxPSJn+sSeBGK

Score

7^/10

spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	tmp.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	tmp.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 1268	2192	tmp.exe	83
PID 1268 set thread context of 3144	1268	tmp.exe	28
PID 848 set thread context of 3144	848	cmd.exe	28

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
2360	2552	WerFault.exe	91

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3144	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2192	tmp.exe
1268	tmp.exe
1268	tmp.exe
1268	tmp.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe
848	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1268	tmp.exe
Token: SeDebugPrivilege	848	cmd.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 1268	2192	tmp.exe	83
PID 2192 wrote to memory of 1268	2192	tmp.exe	83
PID 2192 wrote to memory of 1268	2192	tmp.exe	83
PID 2192 wrote to memory of 1268	2192	tmp.exe	83
PID 3144 wrote to memory of 848	3144	Explorer.EXE	84
PID 3144 wrote to memory of 848	3144	Explorer.EXE	84
PID 3144 wrote to memory of 848	3144	Explorer.EXE	84
PID 848 wrote to memory of 2552	848	cmd.exe	91
PID 848 wrote to memory of 2552	848	cmd.exe	91
PID 848 wrote to memory of 2552	848	cmd.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2552
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2552 -s 124
      4⤵
      Program crash
      PID:2360

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 472 -p 2552 -ip 2552
1⤵
PID:2236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsx80EF.tmp\rbrevlon.dll

Filesize
12KB

MD5
ab69f0e5186c1cd538c0053af4dd2f56

SHA1
4a72c6d9fb25eba375ecb232fa70a1acf88f7003

SHA256
9c8a664e861c1c854acb8591da4179d0ed2b41bc434f11bda2e23a715b193317

SHA512
04e26c2e0d9d043ed6a0a781b70f976381c0f0068d3e01479c5015d36f8b1802d60e68ad84dfb8483c001f1293807c2ef093d8f70771572479b82138f73e2772

Download Submit
memory/848-153-0x0000000001BE0000-0x0000000001F2A000-memory.dmp

Filesize
3.3MB

Download
memory/848-147-0x0000000000E00000-0x0000000000E5A000-memory.dmp

Filesize
360KB

Download
memory/848-154-0x0000000001920000-0x00000000019AF000-memory.dmp

Filesize
572KB

Download
memory/848-150-0x0000000000E00000-0x0000000000E5A000-memory.dmp

Filesize
360KB

Download
memory/848-151-0x0000000001230000-0x000000000125D000-memory.dmp

Filesize
180KB

Download
memory/848-152-0x0000000001230000-0x000000000125D000-memory.dmp

Filesize
180KB

Download
memory/1268-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1268-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1268-144-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1268-142-0x0000000000AA0000-0x0000000000DEA000-memory.dmp

Filesize
3.3MB

Download
memory/1268-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2192-139-0x0000000003150000-0x0000000003152000-memory.dmp

Filesize
8KB

Download
memory/3144-145-0x0000000003170000-0x0000000003238000-memory.dmp

Filesize
800KB

Download
memory/3144-155-0x0000000008F50000-0x0000000009054000-memory.dmp

Filesize
1.0MB

Download
memory/3144-158-0x0000000008F50000-0x0000000009054000-memory.dmp

Filesize
1.0MB

Download