agenttesla | f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6

Analysis

max time kernel
125s
max time network
145s
platform
windows10_x64
resource
win10v20210408
submitted
23-07-2021 18:11

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General

Target

b1954d6c1f249601ce6c562f6258ab29.exe
Size

1.2MB
MD5

b1954d6c1f249601ce6c562f6258ab29
SHA1

f14797cd7a1d5c93e0acaab9ae808447c7d49646
SHA256

f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6
SHA512

d7621ea34a49d9c3ca1e3ddd542a8e2e7115408b5959dbfc0a0525a6ebe83d70a363f4cf8ce9bec40fc51462bd9b986e9e51825f379c0e915b42ce2f4114a579

Score

10^/10

agenttesla warzonerat infostealer keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

warzonerat

ghjklhgteg.strangled.net:6703

Extracted

Family

agenttesla

https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1220-170-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1220-171-0x000000000043774E-mapping.dmp	family_agenttesla
behavioral2/memory/1220-179-0x0000000005170000-0x000000000566E000-memory.dmp	family_agenttesla

Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

images.exeimages.exewzlkaKooI.exewzlkaKooI.exe

pid process

2336 images.exe
3944 images.exe
3016 wzlkaKooI.exe
1220 wzlkaKooI.exe
Loads dropped DLL 6 IoCs

Processes:

images.exe

pid process

3944 images.exe
3944 images.exe
3944 images.exe
3944 images.exe
3944 images.exe
3944 images.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
2336	images.exe
3944	images.exe
3016	wzlkaKooI.exe
1220	wzlkaKooI.exe

pid	process
3944	images.exe
3944	images.exe
3944	images.exe
3944	images.exe
3944	images.exe
3944	images.exe

Modifies WinLogon 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

images.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList	images.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts	images.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\vFm.EC. = "0"	images.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b1954d6c1f249601ce6c562f6258ab29.exeimages.exewzlkaKooI.exe

description	pid	process	target process
PID 1456 set thread context of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 2336 set thread context of 3944	2336	images.exe	images.exe
PID 3016 set thread context of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b1954d6c1f249601ce6c562f6258ab29.exeimages.exewzlkaKooI.exewzlkaKooI.exe

pid	process
1456	b1954d6c1f249601ce6c562f6258ab29.exe
1456	b1954d6c1f249601ce6c562f6258ab29.exe
2336	images.exe
2336	images.exe
3016	wzlkaKooI.exe
3016	wzlkaKooI.exe
1220	wzlkaKooI.exe
1220	wzlkaKooI.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

b1954d6c1f249601ce6c562f6258ab29.exeimages.exewzlkaKooI.exewzlkaKooI.exe

description	pid	process
Token: SeDebugPrivilege	1456	b1954d6c1f249601ce6c562f6258ab29.exe
Token: SeDebugPrivilege	2336	images.exe
Token: SeDebugPrivilege	3016	wzlkaKooI.exe
Token: SeDebugPrivilege	1220	wzlkaKooI.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

images.exe

pid process

3944 images.exe

pid	process
3944	images.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

b1954d6c1f249601ce6c562f6258ab29.exeb1954d6c1f249601ce6c562f6258ab29.exeimages.exeimages.exewzlkaKooI.exe

description	pid	process	target process
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1456 wrote to memory of 1256	1456	b1954d6c1f249601ce6c562f6258ab29.exe	b1954d6c1f249601ce6c562f6258ab29.exe
PID 1256 wrote to memory of 2336	1256	b1954d6c1f249601ce6c562f6258ab29.exe	images.exe
PID 1256 wrote to memory of 2336	1256	b1954d6c1f249601ce6c562f6258ab29.exe	images.exe
PID 1256 wrote to memory of 2336	1256	b1954d6c1f249601ce6c562f6258ab29.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 2336 wrote to memory of 3944	2336	images.exe	images.exe
PID 3944 wrote to memory of 3336	3944	images.exe	cmd.exe
PID 3944 wrote to memory of 3336	3944	images.exe	cmd.exe
PID 3944 wrote to memory of 3336	3944	images.exe	cmd.exe
PID 3944 wrote to memory of 3336	3944	images.exe	cmd.exe
PID 3944 wrote to memory of 3336	3944	images.exe	cmd.exe
PID 3944 wrote to memory of 3016	3944	images.exe	wzlkaKooI.exe
PID 3944 wrote to memory of 3016	3944	images.exe	wzlkaKooI.exe
PID 3944 wrote to memory of 3016	3944	images.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe
PID 3016 wrote to memory of 1220	3016	wzlkaKooI.exe	wzlkaKooI.exe

C:\Users\Admin\AppData\Local\Temp\b1954d6c1f249601ce6c562f6258ab29.exe
"C:\Users\Admin\AppData\Local\Temp\b1954d6c1f249601ce6c562f6258ab29.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456

C:\Users\Admin\AppData\Local\Temp\b1954d6c1f249601ce6c562f6258ab29.exe
C:\Users\Admin\AppData\Local\Temp\b1954d6c1f249601ce6c562f6258ab29.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1256

C:\ProgramData\images.exe
"C:\ProgramData\images.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2336

C:\Users\Admin\AppData\Local\Temp\images.exe
C:\Users\Admin\AppData\Local\Temp\images.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies WinLogon
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe"
5⤵
PID:3336

C:\Users\Admin\AppData\Roaming\wzlkaKooI.exe
"C:\Users\Admin\AppData\Roaming\wzlkaKooI.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016

C:\Users\Admin\AppData\Local\Temp\wzlkaKooI.exe
C:\Users\Admin\AppData\Local\Temp\wzlkaKooI.exe
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\images.exe
MD5
b1954d6c1f249601ce6c562f6258ab29

SHA1
f14797cd7a1d5c93e0acaab9ae808447c7d49646

SHA256
f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6

SHA512
d7621ea34a49d9c3ca1e3ddd542a8e2e7115408b5959dbfc0a0525a6ebe83d70a363f4cf8ce9bec40fc51462bd9b986e9e51825f379c0e915b42ce2f4114a579

Download Submit
C:\ProgramData\images.exe
MD5
b1954d6c1f249601ce6c562f6258ab29

SHA1
f14797cd7a1d5c93e0acaab9ae808447c7d49646

SHA256
f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6

SHA512
d7621ea34a49d9c3ca1e3ddd542a8e2e7115408b5959dbfc0a0525a6ebe83d70a363f4cf8ce9bec40fc51462bd9b986e9e51825f379c0e915b42ce2f4114a579

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wzlkaKooI.exe.log
MD5
9e7845217df4a635ec4341c3d52ed685

SHA1
d65cb39d37392975b038ce503a585adadb805da5

SHA256
d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

SHA512
307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

Download Submit
C:\Users\Admin\AppData\Local\Temp\images.exe
MD5
b1954d6c1f249601ce6c562f6258ab29

SHA1
f14797cd7a1d5c93e0acaab9ae808447c7d49646

SHA256
f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6

SHA512
d7621ea34a49d9c3ca1e3ddd542a8e2e7115408b5959dbfc0a0525a6ebe83d70a363f4cf8ce9bec40fc51462bd9b986e9e51825f379c0e915b42ce2f4114a579

Download Submit
C:\Users\Admin\AppData\Local\Temp\images.exe
MD5
b1954d6c1f249601ce6c562f6258ab29

SHA1
f14797cd7a1d5c93e0acaab9ae808447c7d49646

SHA256
f6b969be87ff04be7afa8ebb789d8867356700537c3ca7cc8f64d2a587c0c0d6

SHA512
d7621ea34a49d9c3ca1e3ddd542a8e2e7115408b5959dbfc0a0525a6ebe83d70a363f4cf8ce9bec40fc51462bd9b986e9e51825f379c0e915b42ce2f4114a579

Download Submit
C:\Users\Admin\AppData\Local\Temp\wzlkaKooI.exe
MD5
f232bc83dbea94159cc84aba926eaa6f

SHA1
f6f6cd16614c3bdb4497634eb525c04bb11cfda6

SHA256
0c7e2ea86b0fd1398de43240daca82e38dcec78f266d76ddf5bd5ba68a721d2f

SHA512
2c37568d874e4f9985b1da27c6825c40e19d0b2f1293269614721b4285c27de78aa35016b8043eee7dcd75e144b7eb3913caaefbed29491743b7fded734b3709

Download Submit
C:\Users\Admin\AppData\Local\Temp\wzlkaKooI.exe
MD5
f232bc83dbea94159cc84aba926eaa6f

SHA1
f6f6cd16614c3bdb4497634eb525c04bb11cfda6

SHA256
0c7e2ea86b0fd1398de43240daca82e38dcec78f266d76ddf5bd5ba68a721d2f

SHA512
2c37568d874e4f9985b1da27c6825c40e19d0b2f1293269614721b4285c27de78aa35016b8043eee7dcd75e144b7eb3913caaefbed29491743b7fded734b3709

Download Submit
C:\Users\Admin\AppData\Roaming\wzlkaKooI.exe
MD5
f232bc83dbea94159cc84aba926eaa6f

SHA1
f6f6cd16614c3bdb4497634eb525c04bb11cfda6

SHA256
0c7e2ea86b0fd1398de43240daca82e38dcec78f266d76ddf5bd5ba68a721d2f

SHA512
2c37568d874e4f9985b1da27c6825c40e19d0b2f1293269614721b4285c27de78aa35016b8043eee7dcd75e144b7eb3913caaefbed29491743b7fded734b3709

Download Submit
C:\Users\Admin\AppData\Roaming\wzlkaKooI.exe
MD5
f232bc83dbea94159cc84aba926eaa6f

SHA1
f6f6cd16614c3bdb4497634eb525c04bb11cfda6

SHA256
0c7e2ea86b0fd1398de43240daca82e38dcec78f266d76ddf5bd5ba68a721d2f

SHA512
2c37568d874e4f9985b1da27c6825c40e19d0b2f1293269614721b4285c27de78aa35016b8043eee7dcd75e144b7eb3913caaefbed29491743b7fded734b3709

Download Submit
\Users\Admin\AppData\Local\Temp\freebl3.dll
MD5
ef12ab9d0b231b8f898067b2114b1bc0

SHA1
6d90f27b2105945f9bb77039e8b892070a5f9442

SHA256
2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

SHA512
2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

Download Submit
\Users\Admin\AppData\Local\Temp\mozglue.dll
MD5
75f8cc548cabf0cc800c25047e4d3124

SHA1
602676768f9faecd35b48c38a0632781dfbde10c

SHA256
fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

SHA512
ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

Download Submit
\Users\Admin\AppData\Local\Temp\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\nss3.dll
MD5
d7858e8449004e21b01d468e9fd04b82

SHA1
9524352071ede21c167e7e4f106e9526dc23ef4e

SHA256
78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

SHA512
1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

Download Submit
\Users\Admin\AppData\Local\Temp\softokn3.dll
MD5
471c983513694ac3002590345f2be0da

SHA1
6612b9af4ff6830fa9b7d4193078434ef72f775b

SHA256
bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

SHA512
a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

Download Submit
\Users\Admin\AppData\Local\Temp\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/1220-179-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download
memory/1220-171-0x000000000043774E-mapping.dmp

Download
memory/1220-170-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-178-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/1220-181-0x0000000005ED0000-0x0000000005ED1000-memory.dmp

Filesize
4KB

Download
memory/1220-180-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/1256-129-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1256-127-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

Download
memory/1256-128-0x0000000000405E28-mapping.dmp

Download
memory/1456-121-0x0000000006420000-0x000000000646D000-memory.dmp

Filesize
308KB

Download
memory/1456-119-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/1456-120-0x00000000048B0000-0x0000000004DAE000-memory.dmp

Filesize
5.0MB

Download
memory/1456-114-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/1456-118-0x00000000048B0000-0x0000000004DAE000-memory.dmp

Filesize
5.0MB

Download
memory/1456-117-0x0000000004990000-0x0000000004991000-memory.dmp

Filesize
4KB

Download
memory/1456-116-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1456-126-0x00000000065B0000-0x0000000006617000-memory.dmp

Filesize
412KB

Download
memory/2336-130-0x0000000000000000-mapping.dmp

Download
memory/2336-139-0x0000000004B00000-0x0000000004FFE000-memory.dmp

Filesize
5.0MB

Download
memory/2336-138-0x0000000004B00000-0x0000000004FFE000-memory.dmp

Filesize
5.0MB

Download
memory/3016-169-0x0000000008920000-0x000000000898E000-memory.dmp

Filesize
440KB

Download
memory/3016-164-0x0000000005C60000-0x0000000005CB6000-memory.dmp

Filesize
344KB

Download
memory/3016-162-0x0000000005830000-0x0000000005D2E000-memory.dmp

Filesize
5.0MB

Download
memory/3016-163-0x0000000005830000-0x0000000005D2E000-memory.dmp

Filesize
5.0MB

Download
memory/3016-157-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/3016-154-0x0000000000000000-mapping.dmp

Download
memory/3336-151-0x0000000000000000-mapping.dmp

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memory/3336-152-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

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memory/3944-150-0x0000000000400000-0x000000000055E000-memory.dmp

Filesize
1.4MB

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memory/3944-147-0x0000000000405E28-mapping.dmp

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memory/3944-182-0x0000000004BB0000-0x0000000004C34000-memory.dmp

Filesize
528KB

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memory/3944-153-0x00000000042B0000-0x00000000043EC000-memory.dmp

Filesize
1.2MB

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