1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9

General

Target

1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe
Size

69KB
MD5

603b26dd8abacb5a5a1e46de83a0807d
SHA1

253a2ab2ee6d844399e80547a85e26ab85388512
SHA256

1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9
SHA512

635e7ab22cc90030a7640b7768f648636be501d852b89737e8ea349b2d513ba48dc46b386a889cde0d3c1d7770a5febcd3db20d1e2682f1bc27d28948ed42066
SSDEEP

1536:5L5lxcQxgr9BcXzfGQz0/m4QdQiWC378JztYtfBpf4p7WtX4:blSQxgr9eXzd4/mxKIm+t3JI

Score

8^/10

aspackv2 bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 11 IoCs

flow	pid	Process
2	2628	rundll32.exe
4	2628	rundll32.exe
5	2628	rundll32.exe
7	2628	rundll32.exe
8	2628	rundll32.exe
9	2628	rundll32.exe
10	2628	rundll32.exe
11	2628	rundll32.exe
12	2628	rundll32.exe
14	2628	rundll32.exe
15	2628	rundll32.exe

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000800000001210a-3.dat	aspack_v212_v242
behavioral1/files/0x000800000001210a-4.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
2984	apkxl.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	apkxl.exe

Loads dropped DLL 4 IoCs

pid	Process
2628	rundll32.exe
2628	rundll32.exe
2628	rundll32.exe
2628	rundll32.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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\vdxolnnds\\irbtv.dll\",GetWindowClass"	rundll32.exe

Enumerates connected drives 3 TTPs 23 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)	\??\t:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2296	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2628	rundll32.exe
2628	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1004	1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe
2984	apkxl.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 2692	1004	1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe	27
PID 1004 wrote to memory of 2692	1004	1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe	27
PID 1004 wrote to memory of 2692	1004	1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe	27
PID 1004 wrote to memory of 2692	1004	1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe	27
PID 2692 wrote to memory of 2296	2692	cmd.exe	29
PID 2692 wrote to memory of 2296	2692	cmd.exe	29
PID 2692 wrote to memory of 2296	2692	cmd.exe	29
PID 2692 wrote to memory of 2296	2692	cmd.exe	29
PID 2692 wrote to memory of 2984	2692	cmd.exe	30
PID 2692 wrote to memory of 2984	2692	cmd.exe	30
PID 2692 wrote to memory of 2984	2692	cmd.exe	30
PID 2692 wrote to memory of 2984	2692	cmd.exe	30
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31
PID 2984 wrote to memory of 2628	2984	apkxl.exe	31

C:\Users\Admin\AppData\Local\Temp\1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe
"C:\Users\Admin\AppData\Local\Temp\1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\apkxl.exe "C:\Users\Admin\AppData\Local\Temp\1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2296
- - \??\c:\apkxl.exe
    c:\apkxl.exe "C:\Users\Admin\AppData\Local\Temp\1699667535bcfba3da6f79d85353a1feca8d5dfca9b0ad594834268ad0c0efb9.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2984
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\vdxolnnds\irbtv.dll",GetWindowClass c:\apkxl.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\apkxl.exe

Filesize
69KB

MD5
151c1dcbf14da5d5261ff78dff7ecea8

SHA1
1557af25996f47949d96c792cabcafdb1135ce7c

SHA256
dc006ab9376026e8d365f19be753fdf075b70e4dbd54c6396a923e574f57e1ec

SHA512
092e9b48a243fb86f3cdd3d39d2017c129f957dfe92c8a01a31c229d613f813865f00f85d142eb5ae6f8de7e21a1d8593c0b396a4f9c1efa32724817994bbda0

Download Submit
\??\c:\apkxl.exe

Filesize
69KB

MD5
151c1dcbf14da5d5261ff78dff7ecea8

SHA1
1557af25996f47949d96c792cabcafdb1135ce7c

SHA256
dc006ab9376026e8d365f19be753fdf075b70e4dbd54c6396a923e574f57e1ec

SHA512
092e9b48a243fb86f3cdd3d39d2017c129f957dfe92c8a01a31c229d613f813865f00f85d142eb5ae6f8de7e21a1d8593c0b396a4f9c1efa32724817994bbda0

Download Submit
\??\c:\vdxolnnds\irbtv.dll

Filesize
46KB

MD5
a3fd41430ddcaa55fde840788925406a

SHA1
dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2

SHA256
f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9

SHA512
23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9

Download Submit
\vdxolnnds\irbtv.dll

Filesize
46KB

MD5
a3fd41430ddcaa55fde840788925406a

SHA1
dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2

SHA256
f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9

SHA512
23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9

Download Submit
\vdxolnnds\irbtv.dll

Filesize
46KB

MD5
a3fd41430ddcaa55fde840788925406a

SHA1
dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2

SHA256
f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9

SHA512
23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9

Download Submit
\vdxolnnds\irbtv.dll

Filesize
46KB

MD5
a3fd41430ddcaa55fde840788925406a

SHA1
dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2

SHA256
f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9

SHA512
23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9

Download Submit
\vdxolnnds\irbtv.dll

Filesize
46KB

MD5
a3fd41430ddcaa55fde840788925406a

SHA1
dbdd87f5c1bbf6a6f44c2e2c4744675d5e4e75c2

SHA256
f57f9e54f4774c2b944fb070ae0c2a02cbb4b7686ab3207544c3ccaff0ff3dd9

SHA512
23109572cfc9a282ea3ec84d93bfe02303d27f365ad2d9f47f6234f91da14c64f80133cc5e49746dfcb65d2454b7e7c13eff59ba4bbc18e09d2fb1c630ba59c9

Download Submit
memory/1004-2-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1004-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2628-11-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2628-13-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2628-14-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2628-15-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2628-16-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2984-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads