19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26

General

Target

19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe
Size

10.4MB
MD5

336fc285ca0b6c05b396ab694e05d9b0
SHA1

097b661367cbaab1747e673b9377c8b678a787a5
SHA256

19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26
SHA512

9874d0295409b5be5c9247970765653fc3bfaddb045e505c26658b62174db3bffd47cb6fb6272b23d9a70a5c20614f5a2969fcd3c2acf2e245f67141c44557b4
SSDEEP

98304:KdcN81M9ap6prSwzbs3usPBk46p4W1VFkQakW+sz8Kdmll0OKOVP:KE81fXwzImpX/F3W+xKdml17t

Score

10^/10

discovery evasion persistence privilege_escalation trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	reg.exe

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	QKWebGame.exe

Loads dropped DLL 4 IoCs

pid	Process
1788	QKWebGame.exe
1788	QKWebGame.exe
1788	QKWebGame.exe
1788	QKWebGame.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2136-2-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-4-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-5-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-1-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-0-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-18-0x0000000180000000-0x00000001801C3000-memory.dmp	upx
behavioral2/memory/2136-39-0x0000000180000000-0x00000001801C3000-memory.dmp	upx

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	QKWebGame.exe
File opened (read-only)	\??\N:	QKWebGame.exe
File opened (read-only)	\??\X:	QKWebGame.exe
File opened (read-only)	\??\Y:	QKWebGame.exe
File opened (read-only)	\??\H:	QKWebGame.exe
File opened (read-only)	\??\J:	QKWebGame.exe
File opened (read-only)	\??\R:	QKWebGame.exe
File opened (read-only)	\??\W:	QKWebGame.exe
File opened (read-only)	\??\Z:	QKWebGame.exe
File opened (read-only)	\??\E:	QKWebGame.exe
File opened (read-only)	\??\G:	QKWebGame.exe
File opened (read-only)	\??\L:	QKWebGame.exe
File opened (read-only)	\??\M:	QKWebGame.exe
File opened (read-only)	\??\P:	QKWebGame.exe
File opened (read-only)	\??\Q:	QKWebGame.exe
File opened (read-only)	\??\T:	QKWebGame.exe
File opened (read-only)	\??\U:	QKWebGame.exe
File opened (read-only)	\??\B:	QKWebGame.exe
File opened (read-only)	\??\V:	QKWebGame.exe
File opened (read-only)	\??\O:	QKWebGame.exe
File opened (read-only)	\??\S:	QKWebGame.exe
File opened (read-only)	\??\K:	QKWebGame.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	QKWebGame.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	QKWebGame.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	QKWebGame.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4132	ipconfig.exe
3120	ipconfig.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1788	QKWebGame.exe
1788	QKWebGame.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe
Token: 33	4288	mmc.exe
Token: SeIncBasePriorityPrivilege	4288	mmc.exe
Token: 33	4288	mmc.exe
Token: SeIncBasePriorityPrivilege	4288	mmc.exe
Token: SeDebugPrivilege	1788	QKWebGame.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4288	mmc.exe
4288	mmc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2588	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	87
PID 2136 wrote to memory of 2588	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	87
PID 2588 wrote to memory of 3120	2588	cmd.exe	89
PID 2588 wrote to memory of 3120	2588	cmd.exe	89
PID 2136 wrote to memory of 4000	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	90
PID 2136 wrote to memory of 4000	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	90
PID 2136 wrote to memory of 4804	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	96
PID 2136 wrote to memory of 4804	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	96
PID 4804 wrote to memory of 4848	4804	cmd.exe	98
PID 4804 wrote to memory of 4848	4804	cmd.exe	98
PID 4804 wrote to memory of 4204	4804	cmd.exe	99
PID 4804 wrote to memory of 4204	4804	cmd.exe	99
PID 4804 wrote to memory of 1860	4804	cmd.exe	100
PID 4804 wrote to memory of 1860	4804	cmd.exe	100
PID 2136 wrote to memory of 3600	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	102
PID 2136 wrote to memory of 3600	2136	19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe	102
PID 4288 wrote to memory of 1788	4288	mmc.exe	107
PID 4288 wrote to memory of 1788	4288	mmc.exe	107
PID 4288 wrote to memory of 1788	4288	mmc.exe	107
PID 1788 wrote to memory of 3736	1788	QKWebGame.exe	109
PID 1788 wrote to memory of 3736	1788	QKWebGame.exe	109
PID 1788 wrote to memory of 3736	1788	QKWebGame.exe	109
PID 3736 wrote to memory of 4132	3736	cmd.exe	111
PID 3736 wrote to memory of 4132	3736	cmd.exe	111
PID 3736 wrote to memory of 4132	3736	cmd.exe	111

C:\Users\Admin\AppData\Local\Temp\19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe
"C:\Users\Admin\AppData\Local\Temp\19db96771e7a44e3991269eef87cb038b3051c44945ba94111fa7ba116d7fd26.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ipconfig /all
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\system32\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3120
- C:\Windows\System32\netsh.exe
  "C:\Windows\System32\netsh.exe" -f C:\Users\Public\Pictures\TLJ41.xml
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  PID:4000
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Roaming\z18ay.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\system32\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v ConsentPromptBehaviorAdmin /t reg_dword /d 0 /F
    3⤵
    - UAC bypass
    PID:4848
- - C:\Windows\system32\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t reg_dword /d 0 /F
    3⤵
    - UAC bypass
    PID:4204
- - C:\Windows\system32\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v PromptOnSecureDesktop /t reg_dword /d 0 /F
    3⤵
    - UAC bypass
    PID:1860
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy /b C:\Users\Public\Pictures\02y7u\OlsBx~17\p+C:\Users\Public\Pictures\02y7u\OlsBx~17\w C:\Users\Public\Pictures\02y7u\OlsBx~17\DuiLib_u.dll
  2⤵
  PID:3600

C:\Windows\system32\mmc.exe
C:\Windows\system32\mmc.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Users\Public\Pictures\02y7u\OlsBx~17\QKWebGame.exe
  "C:\Users\Public\Pictures\02y7u\OlsBx~17\QKWebGame.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ipconfig /all
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3736
  - - C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      4⤵
      System Location Discovery: System Language Discovery
      Gathers network information
      PID:4132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

5

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\z18ay.bat

Filesize
392B

MD5
30d6eb22d6aeec10347239b17b023bf4

SHA1
e2a6f86d66c699f6e0ff1ac4e140af4a2a4637d1

SHA256
659df6b190a0b92fc34e3a4457b4a8d11a26a4caf55de64dfe79eb1276181f08

SHA512
500872c3f2f3f801ec51717690873194675cb7f32cc4a862c09d90c18638d364d49b0e04c32323f52734e5c806e3503a63ac755c7019d762786a72840123df76

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\DuiLib_u.dll

Filesize
1.8MB

MD5
e16f0b62de12aaff7a24a315d690c900

SHA1
9c948f3047a98dd6145ad02f53d9f838d314b128

SHA256
5afb82b21dd4bf9ae78616508fccf764aefb924b730170f3feb991a9fcd69185

SHA512
e0e99e3f78a91830d831419d9699908a9d71488d4b0ff8a21554079e0ee66c2f84a8901252de508f93d93a9789a983cb7641486c678cbf418f5a255af0cc2b4f

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\HTTP.dll

Filesize
138KB

MD5
b9b83dbbce575e349911a0d2e9adc0ac

SHA1
7b30d05cb495da9790d2eb2566ca5e587d52c10e

SHA256
0a57f3ef7a95b7de7d355dce93765a86103e56ce580957ef04c00e8fdaa7cf6b

SHA512
e66378a5e80b318476cfc4d124139d34ab95e3e317f66c4bac64bc2616c3d123c05502552f6262a1a08e9b42992d0bb777d45150c22cace337d571c1b966e906

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\NH.txt

Filesize
179KB

MD5
152aa0cfeda6589cc154f201190dc031

SHA1
e056488238b41e945425748be8ca4af2da36aeeb

SHA256
2908dade1d8b7492ef258880fb0f8bce1b363472476e014f48369a5477c48459

SHA512
a4d827eb44b110badf36148f8cad380d789d5f4bf777126616eebcb0f0d2efefad9a62d71e00a9a7f19edd166dd9160a84b612daa7b354534197fe11a4d7e50a

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\QKLogSvr.dll

Filesize
222KB

MD5
c9b9a4107b653130ef74406e7f758482

SHA1
51bdee3a32f45f48a7974f810070bade3f15b8d3

SHA256
55c1fb9d0785b8f73b6e87bc6e5ea09c0ced8581cc37db004893f3e5150d7031

SHA512
caf5a8af356d7bd147bd0ec38a9c8c9c9b2fcaaa2fa139522bd005b1bb64df06f837acc7577148457a754e2671e56f140850c6970b076eb2bdf99f4776d69621

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\QKWebGame.exe

Filesize
281KB

MD5
48bbd491254798b9c54870e9ff2d828c

SHA1
59f1bb621348d88dd00af7832c4bb59751af9272

SHA256
b805a1d6509c7b272f4d8085a651021dd49699f846c65b853c5d01ddd11d4cc8

SHA512
92cb432036de54396a53faeaa709948108a3db2eae396644ffe6f34aa7b83ce283739eb764d7e0d88b79c6a4699429daf29c17315ad289d20c3c54570f3db924

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\p

Filesize
944KB

MD5
fe6c0f5cc5d3f845c2bfe96495cfa19c

SHA1
6233c9cc0e19b7c4cf5ad128b334b0499d51a391

SHA256
63a3021096d01789d833433f923951b3ce5e1fa26f18d91006c5255b4d743d39

SHA512
44372bee926598a1cd26c03b2bb178d510c857039127b8d99da7e86c1d215cb462126288c2db897f9d1a032205d56bb023be219505aed02917b235343e50d508

Download Submit
C:\Users\Public\Pictures\02y7u\OlsBx~17\w

Filesize
944KB

MD5
83da137e013e8c46af0040db9fc48144

SHA1
0b17156c4aa3ddab4b7c2f5cbcaa99e621427f08

SHA256
1315ba541596c3ed1ee7276ca185f53197c5443d44f5a2a680ca30803e7d4175

SHA512
a3cc114a86a862e2f0716f2b3fc326908c165a30e376d1c8aac09e7232e56d94a90d18d996bee576aab5b1ee17052d832ad3ca52a0cff54980891e56b2b320ad

Download Submit
memory/1788-40-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-32-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-44-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-43-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-31-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-28-0x0000000001180000-0x00000000011A6000-memory.dmp

Filesize
152KB

Download
memory/1788-42-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-33-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/1788-41-0x00000000035B0000-0x0000000003619000-memory.dmp

Filesize
420KB

Download
memory/2136-4-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-39-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-18-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-5-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-2-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-1-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download
memory/2136-0-0x0000000180000000-0x00000001801C3000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads