b881c87b6f640c03957e6e1f246249089ea19b078af740d2c70ae9cc051fdf0d

General

Target

NEAS.dcb6aafb574d70e82055513249ee1cc0.exe
Size

150KB
MD5

dcb6aafb574d70e82055513249ee1cc0
SHA1

75bdcc36a44b695d2aaf53aa08e400eaad4d2049
SHA256

b881c87b6f640c03957e6e1f246249089ea19b078af740d2c70ae9cc051fdf0d
SHA512

e32588c317ef778eb2bf80a43ddc550987cd2cc28446e793a6d6e513d0d94ac3b24b87262a8bc0f6c3123069d10437215fcc203e7f97cb2ffd8252d361e9e3a8
SSDEEP

1536:03aacznhtqkUla/NGVcJ/gAqcX0JMseuiGSeNVvDi0tMuUJJny3GM+93:taCqc9rqzMseNoVv9EJFnM83

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
3	2940	rundll32.exe
7	2940	rundll32.exe
8	2940	rundll32.exe
9	2940	rundll32.exe
10	2940	rundll32.exe
13	2940	rundll32.exe
14	2940	rundll32.exe
15	2940	rundll32.exe
17	2940	rundll32.exe
18	2940	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2612	krmmjxox.exe

Executes dropped EXE 1 IoCs

pid	Process
2612	krmmjxox.exe

Loads dropped DLL 4 IoCs

pid	Process
2940	rundll32.exe
2940	rundll32.exe
2940	rundll32.exe
2940	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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/1736-2-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/files/0x0008000000012027-3.dat	upx
behavioral1/memory/2340-4-0x00000000001C0000-0x00000000001E3000-memory.dmp	upx
behavioral1/files/0x0008000000012027-5.dat	upx
behavioral1/memory/2612-7-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2612-9-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/2940-15-0x0000000010000000-0x0000000010032000-memory.dmp	upx

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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\qvevylmg\\ifuwp.dll\",init"	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)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\x:	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
2600	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2940	rundll32.exe
2940	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1736	NEAS.dcb6aafb574d70e82055513249ee1cc0.exe
2612	krmmjxox.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2340	1736	NEAS.dcb6aafb574d70e82055513249ee1cc0.exe	27
PID 1736 wrote to memory of 2340	1736	NEAS.dcb6aafb574d70e82055513249ee1cc0.exe	27
PID 1736 wrote to memory of 2340	1736	NEAS.dcb6aafb574d70e82055513249ee1cc0.exe	27
PID 1736 wrote to memory of 2340	1736	NEAS.dcb6aafb574d70e82055513249ee1cc0.exe	27
PID 2340 wrote to memory of 2600	2340	cmd.exe	29
PID 2340 wrote to memory of 2600	2340	cmd.exe	29
PID 2340 wrote to memory of 2600	2340	cmd.exe	29
PID 2340 wrote to memory of 2600	2340	cmd.exe	29
PID 2340 wrote to memory of 2612	2340	cmd.exe	30
PID 2340 wrote to memory of 2612	2340	cmd.exe	30
PID 2340 wrote to memory of 2612	2340	cmd.exe	30
PID 2340 wrote to memory of 2612	2340	cmd.exe	30
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31
PID 2612 wrote to memory of 2940	2612	krmmjxox.exe	31

C:\Users\Admin\AppData\Local\Temp\NEAS.dcb6aafb574d70e82055513249ee1cc0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.dcb6aafb574d70e82055513249ee1cc0.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\krmmjxox.exe "C:\Users\Admin\AppData\Local\Temp\NEAS.dcb6aafb574d70e82055513249ee1cc0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2600
- - \??\c:\krmmjxox.exe
    c:\krmmjxox.exe "C:\Users\Admin\AppData\Local\Temp\NEAS.dcb6aafb574d70e82055513249ee1cc0.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2612
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\qvevylmg\ifuwp.dll",init c:\krmmjxox.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:2940

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:\krmmjxox.exe

Filesize
150KB

MD5
d759f5f22dfbf0e5e40f444809d3ac25

SHA1
5b7d4b4e2294c4e0983eaad3a29e89e4ab8fd6cb

SHA256
4c11d2edc7f64cae4cbd21870d4fbcc2c79f5dc44325f30b5869e8b3866b7d4e

SHA512
df3e2f222787182244d0b086698162d0e2d2d0f3fda643cded92690c42b8a795bc9132e211a47ee5db66db38e99a364bc3d566a4880ac44f3ab7343c04d58c87

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

Filesize
150KB

MD5
d759f5f22dfbf0e5e40f444809d3ac25

SHA1
5b7d4b4e2294c4e0983eaad3a29e89e4ab8fd6cb

SHA256
4c11d2edc7f64cae4cbd21870d4fbcc2c79f5dc44325f30b5869e8b3866b7d4e

SHA512
df3e2f222787182244d0b086698162d0e2d2d0f3fda643cded92690c42b8a795bc9132e211a47ee5db66db38e99a364bc3d566a4880ac44f3ab7343c04d58c87

Download Submit
\??\c:\qvevylmg\ifuwp.dll

Filesize
50KB

MD5
ab32c5bfd7ecfbe9ed733dfb81210933

SHA1
4d5c6e7a0031691f12e78b096ff928b0d55bdfab

SHA256
a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a

SHA512
59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5

Download Submit
\qvevylmg\ifuwp.dll

Filesize
50KB

MD5
ab32c5bfd7ecfbe9ed733dfb81210933

SHA1
4d5c6e7a0031691f12e78b096ff928b0d55bdfab

SHA256
a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a

SHA512
59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5

Download Submit
\qvevylmg\ifuwp.dll

Filesize
50KB

MD5
ab32c5bfd7ecfbe9ed733dfb81210933

SHA1
4d5c6e7a0031691f12e78b096ff928b0d55bdfab

SHA256
a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a

SHA512
59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5

Download Submit
\qvevylmg\ifuwp.dll

Filesize
50KB

MD5
ab32c5bfd7ecfbe9ed733dfb81210933

SHA1
4d5c6e7a0031691f12e78b096ff928b0d55bdfab

SHA256
a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a

SHA512
59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5

Download Submit
\qvevylmg\ifuwp.dll

Filesize
50KB

MD5
ab32c5bfd7ecfbe9ed733dfb81210933

SHA1
4d5c6e7a0031691f12e78b096ff928b0d55bdfab

SHA256
a632527bcd457c9a4cfce83e7a9a675baff790b0279de5d8ea3192dfb2dd888a

SHA512
59b971146292074d76d23d5f26889108f4d6e33804332449f4c589bf8a8d53e37ac8dfea47e9d3c5ae0f382ae1acf25c4968bea87b3f5ff9d51f2274229c1ab5

Download Submit
memory/1736-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1736-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2340-6-0x00000000001C0000-0x00000000001E3000-memory.dmp

Filesize
140KB

Download
memory/2340-4-0x00000000001C0000-0x00000000001E3000-memory.dmp

Filesize
140KB

Download
memory/2612-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2612-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2940-15-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/2940-16-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/2940-17-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads