sectoprat | 1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
26/04/2024, 20:30

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General

Target
1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe
Size 449KB
Sample240426-zag3kabf32
SHA256 1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b
MD5 56ff04ac38dc5947b486ff40fec32a9a
SHA1 cb3ad8a9c85dd64f1a54e784ab3ae40260de856d
SHA512 b509c339484b35aaa507d59c45cf84bc641b67ef0efbdeb61a84b02b86da1d14c8ef3112c788a4824cd5f14a32b795975cf9c2eeeb1aa20e3aedbdee583863aa
SSDEEP 12288:UguknPtI9oifhEvyzH3Ig4t5Ri3zg8kQAX6YK:znFRiySH3Ilt5Ri3rkT6Y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sectoprat discovery rat trojan

Malware Config

Signatures

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3612-120-0x0000000000D00000-0x0000000000DC6000-memory.dmp	family_sectoprat

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1924	u2b8.0.exe
2876	run.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	run.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 3884	2876	run.exe	88
PID 3884 set thread context of 3612	3884	cmd.exe	91

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4692	2996	WerFault.exe	78

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u2b8.0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u2b8.0.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2876	run.exe
2876	run.exe
3884	cmd.exe
3884	cmd.exe
3612	MSBuild.exe
1924	u2b8.0.exe
1924	u2b8.0.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2876	run.exe
3884	cmd.exe
3884	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	MSBuild.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2876	run.exe
2876	run.exe
3612	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 1924	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	81
PID 2996 wrote to memory of 1924	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	81
PID 2996 wrote to memory of 1924	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	81
PID 2996 wrote to memory of 2876	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	84
PID 2996 wrote to memory of 2876	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	84
PID 2996 wrote to memory of 2876	2996	1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe	84
PID 2876 wrote to memory of 3884	2876	run.exe	88
PID 2876 wrote to memory of 3884	2876	run.exe	88
PID 2876 wrote to memory of 3884	2876	run.exe	88
PID 2876 wrote to memory of 3884	2876	run.exe	88
PID 3884 wrote to memory of 3612	3884	cmd.exe	91
PID 3884 wrote to memory of 3612	3884	cmd.exe	91
PID 3884 wrote to memory of 3612	3884	cmd.exe	91
PID 3884 wrote to memory of 3612	3884	cmd.exe	91
PID 3884 wrote to memory of 3612	3884	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe
"C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1924
- C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
  "C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:3884
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1628
  2⤵
  - Program crash
  PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2996 -ip 2996
1⤵
PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

d72d669f

Path C:\Users\Admin\AppData\Local\Temp\d72d669f
Size 1.4MB
SHA256 b5caf1128ab5002167db6e9606c8b38616d00dd903218a126d643da8b609f1ed
MD5 74ed3b83eb97d305108b25f581edae6c
SHA1 e5423fc3e715ba251c53bd80767edf2c750e4dbc
SHA512 6509789c3f05934eead4293813154ab70be6ff18e9ad56a7cc58351d3af1c1cc9f102d2bce101731c74c151637c48f67fb44940d38546b9ed81d92cf33084676
SSDEEP 24576:guEAxzMN7JUl964rFzcDTUuGFBg7C7x8Byclioorhg+GozTALgQJT085DNGXt2gC:guEyoxCl96czcDTU7g7C7x8B5lPoe+jW
MD5 SHA1 SHA512 SSDEEP

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tmp1BC2.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp1BC2.tmp
Size 20KB
SHA256 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
MD5 42c395b8db48b6ce3d34c301d1eba9d5
SHA1 b7cfa3de344814bec105391663c0df4a74310996
SHA512 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845
SSDEEP 12:TLVVuFVP89GkwtwhuFdbXGwvfhowcFOaOmzdOtssh+bgc4Jp+FxOUwa5q0S9zXhh:TLUF1kwNbXYFpFNYcw+6UwcQVXH5fB
MD5 SHA1 SHA512 SSDEEP

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tmp1BF4.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp1BF4.tmp
Size 20KB
SHA256 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457
MD5 22be08f683bcc01d7a9799bbd2c10041
SHA1 2efb6041cf3d6e67970135e592569c76fc4c41de
SHA512 0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936
SSDEEP 24:TLJtbXaFpEO5bNmISHnCWmoqv6UwpQ9YH5RZ6HfB:TttLOpEO5J/KnvmopUOZD8B
MD5 SHA1 SHA512 SSDEEP

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u2b8.0.exe

Path C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
Size 305KB
SHA256 773843d85c034a719c925910c85ca16eeecd515c49acb05ab7381a57a7c53fc7
MD5 1427aa25af7a45c5b9916622cf6ebf40
SHA1 705e11a5566fee8f97e1df539317610425325c4e
SHA512 f5619f49f79374f4d65b4cd63b65e626e1488fda15084f88533043deeeaad9eab456d991600b9df159b8303564d1f66474ca81d9e7cbd25bfeede33e5f2dda51
SSDEEP 3072:cv0fgyJJpxA706RzR+cH6kVzHVW32qsX1YDoTAVIk4izSUOOeoP/jlTrlQJGESXb:fu0a6OcG3KO6SUOeLprlQJGfXAK
MD5 SHA1 SHA512 SSDEEP

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u2b8.1.zip

Path C:\Users\Admin\AppData\Local\Temp\u2b8.1.zip
Size 3.7MB
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
SSDEEP 98304:7goFFJ7lj6j1elkeoTNxPxDZhAryYACWcTIxlN+ba:7guJ7wpfTDPxD0P2YG
MD5 SHA1 SHA512 SSDEEP

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UIxMarketPlugin.dll

Path C:\Users\Admin\AppData\Local\Temp\u2b8.2\UIxMarketPlugin.dll
Size 1.6MB
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
SSDEEP 49152:/7Q2CH7FiYk7q8wOP2nyh9VgFdJYZL6MsQv4Pvg3KIA8wuSgKacXTT3Kos2lpm:sZH7FZk7LP2nyh9VgFdJYZL6NQgPVIAv
MD5 SHA1 SHA512 SSDEEP

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bunch.dat

Path C:\Users\Admin\AppData\Local\Temp\u2b8.2\bunch.dat
Size 1.3MB
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
SSDEEP 24576:7vktfYOP8kCc3P/X970uBuBFA3S8Fa+/D9kGmk3Lh9AvPG:7vk5H8LIt1e2Sl+if2YG
MD5 SHA1 SHA512 SSDEEP

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relay.dll

Path C:\Users\Admin\AppData\Local\Temp\u2b8.2\relay.dll
Size 1.5MB
SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
MD5 10d51becd0bbce0fab147ff9658c565e
SHA1 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA512 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
SSDEEP 49152:n2gm39uH+I5/GxEoadcqX7Q9F7r40YB+eTcq+PDXx1lWz0v2:DmtuH+e/RoadcqX7Qz7rDY8vq+Pbx1lc
MD5 SHA1 SHA512 SSDEEP

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run.exe

Path C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
Size 2.4MB
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
SSDEEP 49152:Y8UMSn5cV2N9LNwtQ5gRR+moI1axGbYj6QAl4ImDkg7d5lROCDG5yzlC97W+uJUM:QMS5hN9OtQ5gRjoI8xGbYj6QAl4gg7dF
MD5 SHA1 SHA512 SSDEEP

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whale.dbf

Path C:\Users\Admin\AppData\Local\Temp\u2b8.2\whale.dbf
Size 85KB
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
SSDEEP 1536:X5B5jj6bWG+5cAD2Fno6ktTgDa+0rldAe7VwDb4bWTfmdI7p:X5Ljj6bi512Fn3b0Ie7qgbWd9
MD5 SHA1 SHA512 SSDEEP

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memory/1924-109-0x0000000000400000-0x000000000403D000-memory.dmp

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memory/1924-126-0x0000000000400000-0x000000000403D000-memory.dmp

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memory/1924-158-0x0000000000400000-0x000000000403D000-memory.dmp

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memory/1924-155-0x0000000000400000-0x000000000403D000-memory.dmp

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memory/1924-152-0x0000000000400000-0x000000000403D000-memory.dmp

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memory/2876-99-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

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memory/2876-107-0x0000000072540000-0x00000000726BD000-memory.dmp

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memory/2876-98-0x0000000072540000-0x00000000726BD000-memory.dmp

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memory/2996-106-0x0000000000400000-0x0000000004061000-memory.dmp

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memory/2996-2-0x0000000005DB0000-0x0000000005E1D000-memory.dmp

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memory/2996-3-0x0000000000400000-0x0000000004061000-memory.dmp

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memory/2996-1-0x00000000042D0000-0x00000000043D0000-memory.dmp

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memory/3612-117-0x0000000070FC0000-0x00000000722D7000-memory.dmp

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memory/3612-124-0x0000000005520000-0x0000000005596000-memory.dmp

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memory/3612-125-0x00000000055F0000-0x0000000005640000-memory.dmp

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memory/3612-123-0x0000000005670000-0x0000000005832000-memory.dmp

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memory/3612-127-0x00000000053E0000-0x00000000053EA000-memory.dmp

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memory/3612-128-0x0000000006630000-0x0000000006B5C000-memory.dmp

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memory/3612-129-0x0000000006100000-0x000000000611E000-memory.dmp

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memory/3612-130-0x00000000061C0000-0x0000000006226000-memory.dmp

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memory/3612-122-0x0000000005A50000-0x0000000005FF6000-memory.dmp

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memory/3612-121-0x0000000005400000-0x0000000005492000-memory.dmp

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memory/3612-151-0x0000000007A90000-0x0000000007A9A000-memory.dmp

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memory/3612-120-0x0000000000D00000-0x0000000000DC6000-memory.dmp

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memory/3884-115-0x0000000072540000-0x00000000726BD000-memory.dmp

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memory/3884-111-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

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