Analysis
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max time kernel
122s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 17:43
Static task
static1
Behavioral task
behavioral1
Sample
IMG_77020316.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
IMG_77020316.exe
Resource
win10v2004-20240426-en
General
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Target
IMG_77020316.exe
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Size
305KB
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MD5
2c44da62f5bf398810c3a0588098e2c8
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SHA1
b916038164d5cc19bf02da2fae9ec5ce33df5ca5
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SHA256
224e23285395f06085656e63dbc4c1bbfb28433ed4d4a7a398ca9f8c7a77dd1e
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SHA512
3451bd258dab8a11286df5fe3c3e965e85e32e110c00d2073f9327927a97c468b9fa00a1d8d13fdafd69cdeda1cede79cdfcf3f58636e6cc9b748f13d97a8f30
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SSDEEP
1536:EUGtkijLv6JQJvtzAZiN4M1LG99rGsa8OXK34PNu0PB92EC3CNjm5Lh1c3h0b:aD2MZG9ZGsIK34PNX92ECSNKF13b
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/464-3-0x0000000005EF0000-0x0000000006120000-memory.dmp family_zgrat_v1 behavioral2/memory/464-11-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-15-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-55-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-57-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-67-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-65-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-63-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-61-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-59-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-53-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-51-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-49-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-47-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-45-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-69-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-41-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-39-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-37-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-43-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-31-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-29-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-27-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-25-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-23-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-21-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-20-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-17-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-13-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-35-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-33-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-9-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-7-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 behavioral2/memory/464-6-0x0000000005EF0000-0x000000000611B000-memory.dmp family_zgrat_v1 -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kcsof = "C:\\Users\\Admin\\AppData\\Roaming\\kcsof.exe" IMG_77020316.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 api.ipify.org 29 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 464 set thread context of 3140 464 IMG_77020316.exe 88 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3140 IMG_77020316.exe 3140 IMG_77020316.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 464 IMG_77020316.exe Token: SeDebugPrivilege 464 IMG_77020316.exe Token: SeDebugPrivilege 3140 IMG_77020316.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88 PID 464 wrote to memory of 3140 464 IMG_77020316.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\IMG_77020316.exe"C:\Users\Admin\AppData\Local\Temp\IMG_77020316.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464 -
C:\Users\Admin\AppData\Local\Temp\IMG_77020316.exe"C:\Users\Admin\AppData\Local\Temp\IMG_77020316.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f3eb81974dc5933681e933f07209ff5f
SHA17af8cae0f1d03e82daaf784df9886705685baac7
SHA256e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2
SHA512d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff