Behavioral task
behavioral1
Sample
MailUpdate.exe
Resource
win10v2004-20240802-en
General
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Target
MailUpdate.exe
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Size
69KB
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MD5
37d1bc1bd7eeb6b549d265db4a56da20
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SHA1
a93c42ade354b2a706450715deacdec728e898a9
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SHA256
ae305f441faf08f439a302b56ca00e7426160af15ca532dd1936e38f803fa286
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SHA512
21431f94b29cc7786c77da61d1f1e9ab51f1676ab383d679a52ff10db3ca27a3fe1c73ccf879de1c28d9e8a120578bba98af840cb3b32bffd2d325001188212f
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SSDEEP
1536:OpgFwa5ttd8yfeUzIasLQxFm5gUWd+0LDyjofAWZgzR:8Iwa7bZfRaQzm9FIDyjoY5V
Malware Config
Extracted
limerat
bc1qyej3qhu680rqc5akxac39r92g6a8g6r4708gyj
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aes_key
Test
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antivm
true
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c2_url
https://pastebin.com/raw/UPe1Arqg
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delay
3
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download_payload
false
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install
true
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install_name
system32s.exe
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main_folder
AppData
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pin_spread
true
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sub_folder
\
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usb_spread
true
Signatures
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Limerat family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MailUpdate.exe
Files
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MailUpdate.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ