sectoprat | 132d0526eda9bdadbb2b402d44738d4fc91255556325b6a1991e053d1710fcce

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 08:25

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General

Target
96b085b3f6ee7441236cee54161309d0.exe
Size 405KB
Sample240426-kbm8mscf85
SHA256 132d0526eda9bdadbb2b402d44738d4fc91255556325b6a1991e053d1710fcce
MD5 96b085b3f6ee7441236cee54161309d0
SHA1 88cf7eaf5db9a625a4fd922afe4c851abdd86b0b
SHA512 23950cddb7d72685c12102438f1f38668a9206a4f5e3a0273558f4b7a2260183144e5f504d30d0659971b578a68de25b500b210217c17523b903d581f5085067
SSDEEP 12288:hOatvTLg/5HI+WnM93ss5WAlYjGJqMh8nbwr5:hjM5HsnMNmtSchnbwr5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sectoprat stealc rat stealer 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
behavioral1/memory/1888-187-0x0000000000400000-0x00000000004C6000-memory.dmp	family_sectoprat

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
2056	u13g.0.exe
1944	run.exe
2100	u13g.3.exe

Loads dropped DLL 14 IoCs

pid	Process
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1944	run.exe
668	cmd.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe
1420	96b085b3f6ee7441236cee54161309d0.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 668	1944	run.exe	33
PID 668 set thread context of 1888	668	cmd.exe	35

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u13g.3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u13g.3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u13g.3.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1944	run.exe
1944	run.exe
668	cmd.exe
668	cmd.exe
1888	MSBuild.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1944	run.exe
668	cmd.exe
668	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	MSBuild.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe
2100	u13g.3.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1944	run.exe
1944	run.exe
1888	MSBuild.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2056	1420	96b085b3f6ee7441236cee54161309d0.exe	28
PID 1420 wrote to memory of 2056	1420	96b085b3f6ee7441236cee54161309d0.exe	28
PID 1420 wrote to memory of 2056	1420	96b085b3f6ee7441236cee54161309d0.exe	28
PID 1420 wrote to memory of 2056	1420	96b085b3f6ee7441236cee54161309d0.exe	28
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1420 wrote to memory of 1944	1420	96b085b3f6ee7441236cee54161309d0.exe	32
PID 1944 wrote to memory of 668	1944	run.exe	33
PID 1944 wrote to memory of 668	1944	run.exe	33
PID 1944 wrote to memory of 668	1944	run.exe	33
PID 1944 wrote to memory of 668	1944	run.exe	33
PID 1944 wrote to memory of 668	1944	run.exe	33
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 668 wrote to memory of 1888	668	cmd.exe	35
PID 1420 wrote to memory of 2100	1420	96b085b3f6ee7441236cee54161309d0.exe	37
PID 1420 wrote to memory of 2100	1420	96b085b3f6ee7441236cee54161309d0.exe	37
PID 1420 wrote to memory of 2100	1420	96b085b3f6ee7441236cee54161309d0.exe	37
PID 1420 wrote to memory of 2100	1420	96b085b3f6ee7441236cee54161309d0.exe	37

C:\Users\Admin\AppData\Local\Temp\96b085b3f6ee7441236cee54161309d0.exe
"C:\Users\Admin\AppData\Local\Temp\96b085b3f6ee7441236cee54161309d0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Local\Temp\u13g.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u13g.0.exe"
  2⤵
  - Executes dropped EXE
  PID:2056
- C:\Users\Admin\AppData\Local\Temp\u13g.2\run.exe
  "C:\Users\Admin\AppData\Local\Temp\u13g.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:1944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:668
  - - 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:1888
- C:\Users\Admin\AppData\Local\Temp\u13g.3.exe
  "C:\Users\Admin\AppData\Local\Temp\u13g.3.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

4b65aee1

Path C:\Users\Admin\AppData\Local\Temp\4b65aee1
Size 1.4MB
SHA256 bee75583fd2ca66d4e5143d4fa505bb5c9fc7eefeb93bddb2661656fa91637f9
MD5 206b0da51e6f5fb9c817f3fa19500049
SHA1 80c0c0d2223651cbdbfd6eb87ec00a35e5adff62
SHA512 ed38d0aae56ecd932f8018ccea6e7305a3d070672f6efd2c955bc60c1c5762ed1b2cf5e1834eb3780e4996dd5f4b01b7b4da32587472d539a6388ca85be9fbaf
SSDEEP 24576:Xt04T4R4jP2vh6g8+6hUq41JG3ugeUvm1exGGtnYs6aCM0e1:XTm4rmGPegFu1exdY1re1
MD5 SHA1 SHA512 SSDEEP

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U13G1~1.ZIP

Path C:\Users\Admin\AppData\Local\Temp\U13G1~1.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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ioloDMLog.txt

Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
Size 2KB
SHA256 2056e1c905b6c7324b2d9abc0392ba8226ef7ebe0803777a930fb97939c37c60
MD5 5a591247f1d23aaa563b44a2ce6be6be
SHA1 d86b8ec04514fcc45d5c10cf847ab3d4efc7aa4f
SHA512 9d2d96ce548de571af3b23e503d9d18abff7628adce3c30f17e95818bf8e70884ec61e9862e6ca5fffa9e9358b8a1b524f4a7686e9c357209b86509a98fd106a
MD5 SHA1 SHA512

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tmpBB46.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpBB46.tmp
Size 20KB
SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
MD5 c9ff7748d8fcef4cf84a5501e996a641
SHA1 02867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA512 d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
SSDEEP 12:TLVsFVP89GkwtwhuFdbXGwvfhowcFOaOmzdOtssh+bgc4Jp+FxOUwa5q0S9zXhZn:TLcF1kwNbXYFpFNYcw+6UwcQVXH5fB
MD5 SHA1 SHA512 SSDEEP

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UIxMarketPlugin.dll

Path C:\Users\Admin\AppData\Local\Temp\u13g.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\u13g.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\u13g.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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whale.dbf

Path C:\Users\Admin\AppData\Local\Temp\u13g.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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u13g.0.exe

Path \Users\Admin\AppData\Local\Temp\u13g.0.exe
Size 261KB
SHA256 258d17ed78a307fa352a7781557ae8da981521a44aa6087b4a3dcb120bf46359
MD5 3feefb5213b0ff82fd83ac762ef28021
SHA1 b545ffc0ac45469aa841463a4fc184936111e2e8
SHA512 84d05d4577d9394318dca4aeb16727f9005bec3cb81a1961406de5d5380d679a128511da808baadacb6924d6a8fcb8e48fc36edc2bbe8b454e391b1838698c30
SSDEEP 6144:Xda8OjyNGuQI0KouJcN6vB2DBTKh8nTr:XdajjyfhBvB21uh8nTr
MD5 SHA1 SHA512 SSDEEP

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run.exe

Path \Users\Admin\AppData\Local\Temp\u13g.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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u13g.3.exe

Path \Users\Admin\AppData\Local\Temp\u13g.3.exe
Size 4.6MB
SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
MD5 397926927bca55be4a77839b1c44de6e
SHA1 e10f3434ef3021c399dbba047832f02b3c898dbd
SHA512 cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954
SSDEEP 49152:1ZRCckM8wwGbtBiRFWSGqCW4FL5wslsAEL1ksS2NHsF3TjZ1I6bqmHC0Jg:1ZRCwrb64XwWsAwFaFXxg
MD5 SHA1 SHA512 SSDEEP

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memory/668-130-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/668-180-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/668-183-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/668-131-0x00000000778E0000-0x0000000077A89000-memory.dmp

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memory/668-179-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/1420-2-0x0000000000230000-0x000000000029D000-memory.dmp

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memory/1420-22-0x0000000000400000-0x0000000004056000-memory.dmp

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memory/1420-219-0x0000000004220000-0x0000000004320000-memory.dmp

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memory/1420-218-0x0000000000400000-0x0000000004056000-memory.dmp

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memory/1420-126-0x0000000000400000-0x0000000004056000-memory.dmp

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memory/1420-23-0x0000000004220000-0x0000000004320000-memory.dmp

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memory/1420-1-0x0000000004220000-0x0000000004320000-memory.dmp

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memory/1888-202-0x0000000000EF0000-0x0000000000F30000-memory.dmp

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memory/1888-201-0x0000000072820000-0x0000000072F0E000-memory.dmp

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memory/1888-182-0x0000000072F10000-0x0000000073F72000-memory.dmp

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memory/1888-184-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/1888-185-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/1888-187-0x0000000000400000-0x00000000004C6000-memory.dmp

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memory/1888-188-0x0000000072820000-0x0000000072F0E000-memory.dmp

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memory/1888-189-0x0000000000EF0000-0x0000000000F30000-memory.dmp

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memory/1944-127-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/1944-119-0x00000000778E0000-0x0000000077A89000-memory.dmp

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memory/1944-125-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/1944-118-0x00000000745F0000-0x0000000074764000-memory.dmp

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memory/2056-20-0x0000000000220000-0x0000000000247000-memory.dmp

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memory/2056-21-0x0000000000400000-0x0000000004033000-memory.dmp

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memory/2056-19-0x00000000041E0000-0x00000000042E0000-memory.dmp

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memory/2100-224-0x0000000000230000-0x0000000000231000-memory.dmp

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memory/2100-244-0x0000000000400000-0x00000000008AD000-memory.dmp

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