024acc542d965f6bb037356c877b8e544055068d06ac4f5f81a00274e5964c4e

Analysis

max time kernel
599s
max time network
599s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
14/02/2023, 11:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Specification.exe
Size

295KB
MD5

6c4166241e9dd7e55249cf4d9dedba3a
SHA1

a052f58f9a348cf693d80c6831dfc885baec23ef
SHA256

2cbadf3f08bde65e99a75e12eb5a7eba6290bb6159a9850001b5a0f90b289c0e
SHA512

4fe962dcaf993fc39cb9538d05a0433f968ad642c96df7f38aac0051afd2bbf210b306dc4b838673c9ad65dcdde42f724e183ee2cc6e75afd983b78eda5d23b7
SSDEEP

6144:PYa69oq/ZRMDmB5n7E+gf7U0FNbWE+z9T87vjV3oQ5eqP+p8c26M:PYfo8ZODmHgbo0FgEiJ8B3oQ5eqP+pKN

Score

7^/10

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-1-5-21-4063495947-34355257-727531523-1000\Control Panel\International\Geo\Nation	tvjkel.exe

Executes dropped EXE 2 IoCs

pid	Process
888	tvjkel.exe
1292	tvjkel.exe

Loads dropped DLL 3 IoCs

pid	Process
1128	Specification.exe
888	tvjkel.exe
1616	raserver.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 888 set thread context of 1292	888	tvjkel.exe	28
PID 1292 set thread context of 1388	1292	tvjkel.exe	15
PID 1616 set thread context of 1388	1616	raserver.exe	15

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1292	tvjkel.exe
1292	tvjkel.exe
1292	tvjkel.exe
1292	tvjkel.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1388	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
888	tvjkel.exe
1292	tvjkel.exe
1292	tvjkel.exe
1292	tvjkel.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe
1616	raserver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	tvjkel.exe
Token: SeDebugPrivilege	1616	raserver.exe
Token: SeShutdownPrivilege	1388	Explorer.EXE
Token: SeShutdownPrivilege	1388	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 888	1128	Specification.exe	27
PID 1128 wrote to memory of 888	1128	Specification.exe	27
PID 1128 wrote to memory of 888	1128	Specification.exe	27
PID 1128 wrote to memory of 888	1128	Specification.exe	27
PID 888 wrote to memory of 1292	888	tvjkel.exe	28
PID 888 wrote to memory of 1292	888	tvjkel.exe	28
PID 888 wrote to memory of 1292	888	tvjkel.exe	28
PID 888 wrote to memory of 1292	888	tvjkel.exe	28
PID 888 wrote to memory of 1292	888	tvjkel.exe	28
PID 1388 wrote to memory of 1616	1388	Explorer.EXE	30
PID 1388 wrote to memory of 1616	1388	Explorer.EXE	30
PID 1388 wrote to memory of 1616	1388	Explorer.EXE	30
PID 1388 wrote to memory of 1616	1388	Explorer.EXE	30
PID 1616 wrote to memory of 1944	1616	raserver.exe	33
PID 1616 wrote to memory of 1944	1616	raserver.exe	33
PID 1616 wrote to memory of 1944	1616	raserver.exe	33
PID 1616 wrote to memory of 1944	1616	raserver.exe	33
PID 1616 wrote to memory of 1944	1616	raserver.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\Specification.exe
  "C:\Users\Admin\AppData\Local\Temp\Specification.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Users\Admin\AppData\Local\Temp\tvjkel.exe
    "C:\Users\Admin\AppData\Local\Temp\tvjkel.exe" C:\Users\Admin\AppData\Local\Temp\mctzftild.g
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:888
  - - C:\Users\Admin\AppData\Local\Temp\tvjkel.exe
      "C:\Users\Admin\AppData\Local\Temp\tvjkel.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:1292
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1472
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\lplasygsf.ysb

Filesize
205KB

MD5
6f8d0a6210134e21cb2a9bdf3dd07217

SHA1
6af61771f92d3ea7ddeef0151202f44fa9eb67a8

SHA256
793a48ce824dc6547c37f5079ee989febb5079f5682ece6d6305966d4cc3a67b

SHA512
c9a140fc522ef82db93cafc728e0d8c45530b6c2ac3166447548ef8267b0e69e1bc46ce86c5c67fef03cdc56bd3b963fceb7d67eac2a34564a3942d592b38959

Download Submit
C:\Users\Admin\AppData\Local\Temp\mctzftild.g

Filesize
5KB

MD5
a156959c4196968969edf33fa299053d

SHA1
64c987d8a657eb99aa78ecb77d4fac6f1732110d

SHA256
1e96299e2b0c7f446214497c0bc9926c4ad8ac8b2a1555c5c3b08cc57f427507

SHA512
3cfb6d230ddf431f6dfc6bc493a02f9514f76528d7d3bd6ada23647b81677f46224f5af361868de624ee73bb2079c62cbdf855c66c8df2d0ef8795377f369de7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tvjkel.exe

Filesize
101KB

MD5
47f16d991abe4a7ca791e761f473d7d8

SHA1
12b35684609eb4b63c989e10cc2edbf099bc777e

SHA256
2b4525be8957377a3352564c4007397f53e2d0c2c0016a1593422c422376cb52

SHA512
1eb8221e700fdc81fd3a5b7071fb1b2de0ee0cd291ef98e34761f32f33a227eea12fea68d2ea9d9888887865629bf0a12cc6f586e922eeeddd89fe369c2af02e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tvjkel.exe

Filesize
101KB

MD5
47f16d991abe4a7ca791e761f473d7d8

SHA1
12b35684609eb4b63c989e10cc2edbf099bc777e

SHA256
2b4525be8957377a3352564c4007397f53e2d0c2c0016a1593422c422376cb52

SHA512
1eb8221e700fdc81fd3a5b7071fb1b2de0ee0cd291ef98e34761f32f33a227eea12fea68d2ea9d9888887865629bf0a12cc6f586e922eeeddd89fe369c2af02e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tvjkel.exe

Filesize
101KB

MD5
47f16d991abe4a7ca791e761f473d7d8

SHA1
12b35684609eb4b63c989e10cc2edbf099bc777e

SHA256
2b4525be8957377a3352564c4007397f53e2d0c2c0016a1593422c422376cb52

SHA512
1eb8221e700fdc81fd3a5b7071fb1b2de0ee0cd291ef98e34761f32f33a227eea12fea68d2ea9d9888887865629bf0a12cc6f586e922eeeddd89fe369c2af02e

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
927KB

MD5
7fd80b1cc72dc580c02ca4cfbfb2592d

SHA1
18da905af878b27151b359cf1a7d0a650764e8a1

SHA256
1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

SHA512
13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

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

Filesize
101KB

MD5
47f16d991abe4a7ca791e761f473d7d8

SHA1
12b35684609eb4b63c989e10cc2edbf099bc777e

SHA256
2b4525be8957377a3352564c4007397f53e2d0c2c0016a1593422c422376cb52

SHA512
1eb8221e700fdc81fd3a5b7071fb1b2de0ee0cd291ef98e34761f32f33a227eea12fea68d2ea9d9888887865629bf0a12cc6f586e922eeeddd89fe369c2af02e

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

Filesize
101KB

MD5
47f16d991abe4a7ca791e761f473d7d8

SHA1
12b35684609eb4b63c989e10cc2edbf099bc777e

SHA256
2b4525be8957377a3352564c4007397f53e2d0c2c0016a1593422c422376cb52

SHA512
1eb8221e700fdc81fd3a5b7071fb1b2de0ee0cd291ef98e34761f32f33a227eea12fea68d2ea9d9888887865629bf0a12cc6f586e922eeeddd89fe369c2af02e

Download Submit
memory/1128-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1292-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1292-66-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/1292-67-0x00000000000F0000-0x0000000000100000-memory.dmp

Filesize
64KB

Download
memory/1388-68-0x00000000043C0000-0x0000000004484000-memory.dmp

Filesize
784KB

Download
memory/1388-75-0x0000000005E80000-0x0000000005F29000-memory.dmp

Filesize
676KB

Download
memory/1388-76-0x0000000005E80000-0x0000000005F29000-memory.dmp

Filesize
676KB

Download
memory/1616-72-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/1616-71-0x00000000009C0000-0x00000000009DC000-memory.dmp

Filesize
112KB

Download
memory/1616-73-0x0000000001F70000-0x0000000002273000-memory.dmp

Filesize
3.0MB

Download
memory/1616-74-0x0000000000360000-0x00000000003EF000-memory.dmp

Filesize
572KB

Download