imminent | b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800

General

Target

b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Size

1.3MB
MD5

82dfcb5c33adaaae2975ad51b9258470
SHA1

dbc6fe3e95544f837f442635627c2254d7b579ed
SHA256

b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800
SHA512

d415bd5388ec0129914582256ae9c648168290d4f65bb41e3591670d9b50518109cc1f41f04ad7d5caa9a0d24e4b63f139ebcf1b6b1ee9e03f582043808ab32a
SSDEEP

24576:43Sp4fuQAhpQ5LbQxHO9D2iXBo5/sOU1IdvMBC1vpPi9PRWLtY9TxdNEmAN2m:B42QA05b+aHBohsV1QvpK5RQtY9TxsJo

Score

10^/10

imminent persistence spyware trojan

Malware Config

Signatures

Imminent RAT
Remote-access trojan based on Imminent Monitor remote admin software.
trojan spyware imminent

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\wu5Fovm4810Xe9Bi\\unWnI7SSwi2V.exe\",explorer.exe"	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\wu5Fovm4810Xe9Bi\\SfDcWzqePJBv.exe\" \"C:\\Users\\Admin\\AppData\\Roaming\\wu5Fovm4810Xe9Bi\\unWnI7SSwi2V.exe\",explorer.exe"	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Executes dropped EXE 4 IoCs

pid	Process
4376	U4XeIP76S0Y6Z58L.exe
768	is-18FBF.tmp
4444	elrFW5jCFj08JP7N.exe
452	is-RO1MR.tmp

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
File created	C:\Windows\assembly\Desktop.ini	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Token: SeDebugPrivilege	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
Token: SeRestorePrivilege	5080	dw20.exe
Token: SeBackupPrivilege	5080	dw20.exe
Token: SeBackupPrivilege	5080	dw20.exe
Token: SeBackupPrivilege	5080	dw20.exe
Token: SeBackupPrivilege	5080	dw20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4376	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	90
PID 4616 wrote to memory of 4376	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	90
PID 4616 wrote to memory of 4376	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	90
PID 4376 wrote to memory of 768	4376	U4XeIP76S0Y6Z58L.exe	91
PID 4376 wrote to memory of 768	4376	U4XeIP76S0Y6Z58L.exe	91
PID 4376 wrote to memory of 768	4376	U4XeIP76S0Y6Z58L.exe	91
PID 4616 wrote to memory of 4444	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	92
PID 4616 wrote to memory of 4444	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	92
PID 4616 wrote to memory of 4444	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	92
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4616 wrote to memory of 4064	4616	b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe	93
PID 4444 wrote to memory of 452	4444	elrFW5jCFj08JP7N.exe	94
PID 4444 wrote to memory of 452	4444	elrFW5jCFj08JP7N.exe	94
PID 4444 wrote to memory of 452	4444	elrFW5jCFj08JP7N.exe	94
PID 4064 wrote to memory of 5080	4064	vbc.exe	95
PID 4064 wrote to memory of 5080	4064	vbc.exe	95
PID 4064 wrote to memory of 5080	4064	vbc.exe	95

C:\Users\Admin\AppData\Local\Temp\b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe
"C:\Users\Admin\AppData\Local\Temp\b25d1e8ab20ad15c5304b804c8a5ff9dbada8c77b36ea6cd85e1c20c407ac800.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\U4XeIP76S0Y6Z58L.exe
  "C:\Users\Admin\AppData\Local\Temp\U4XeIP76S0Y6Z58L.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Users\Admin\AppData\Local\Temp\is-D55S3.tmp\is-18FBF.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-D55S3.tmp\is-18FBF.tmp" /SL4 $B016E C:\Users\Admin\AppData\Local\Temp\U4XeIP76S0Y6Z58L.exe 435071 50688
    3⤵
    - Executes dropped EXE
    PID:768
- C:\Users\Admin\AppData\Local\Temp\elrFW5jCFj08JP7N.exe
  "C:\Users\Admin\AppData\Local\Temp\elrFW5jCFj08JP7N.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4444
- - C:\Users\Admin\AppData\Local\Temp\is-U1F1K.tmp\is-RO1MR.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-U1F1K.tmp\is-RO1MR.tmp" /SL4 $20182 C:\Users\Admin\AppData\Local\Temp\elrFW5jCFj08JP7N.exe 435071 50688
    3⤵
    - Executes dropped EXE
    PID:452
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4064
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 788
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:5080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\U4XeIP76S0Y6Z58L.exe

Filesize
634KB

MD5
69ffc65b14c4428dd95922629a125d09

SHA1
f9d287bf5d9fb78a348f214888a6408cd144bc16

SHA256
f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db

SHA512
a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\U4XeIP76S0Y6Z58L.exe

Filesize
634KB

MD5
69ffc65b14c4428dd95922629a125d09

SHA1
f9d287bf5d9fb78a348f214888a6408cd144bc16

SHA256
f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db

SHA512
a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\elrFW5jCFj08JP7N.exe

Filesize
634KB

MD5
69ffc65b14c4428dd95922629a125d09

SHA1
f9d287bf5d9fb78a348f214888a6408cd144bc16

SHA256
f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db

SHA512
a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\elrFW5jCFj08JP7N.exe

Filesize
634KB

MD5
69ffc65b14c4428dd95922629a125d09

SHA1
f9d287bf5d9fb78a348f214888a6408cd144bc16

SHA256
f7d9a130b911d52cfd4d00e9c61d0360064d82cfe440bdca16af0ee0c56b16db

SHA512
a2476b48933e7e150519172c3e8eeabb1f9129f9e1dd5d7ff50d5423bd02d0800638382e5994997864cf726ea6ebe571966771e082e34f873029582770deb7ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D55S3.tmp\is-18FBF.tmp

Filesize
572KB

MD5
0d0622f7d2fd629455a028d7e1cb1c07

SHA1
82bdfc15f188241c535d7a42f0f95c99d0913bf4

SHA256
ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a

SHA512
eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D55S3.tmp\is-18FBF.tmp

Filesize
572KB

MD5
0d0622f7d2fd629455a028d7e1cb1c07

SHA1
82bdfc15f188241c535d7a42f0f95c99d0913bf4

SHA256
ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a

SHA512
eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-U1F1K.tmp\is-RO1MR.tmp

Filesize
572KB

MD5
0d0622f7d2fd629455a028d7e1cb1c07

SHA1
82bdfc15f188241c535d7a42f0f95c99d0913bf4

SHA256
ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a

SHA512
eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-U1F1K.tmp\is-RO1MR.tmp

Filesize
572KB

MD5
0d0622f7d2fd629455a028d7e1cb1c07

SHA1
82bdfc15f188241c535d7a42f0f95c99d0913bf4

SHA256
ab0982c120a65adc3aa898af09ad923c9b896edfc52f7d206798c5fdf59d8f5a

SHA512
eb5a930c1ba85b9cdb60a65fcead39592f7a1b87985d927580bbdb9f8682087291a4eac9f5b2f7c8d4aa7abff78ce8c53dd7285bd7be8572cb65ade906e8807a

Download Submit
memory/4064-155-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4064-149-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4064-154-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4376-138-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4376-156-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4444-146-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4444-157-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4616-132-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/4616-133-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads